Leaf Spring Contact Patents (Class 200/559)
  • Patent number: 10737591
    Abstract: A seat driving device includes a rotary motor having a rotary shaft, operation members, and clutch mechanisms. The operation members are separately arranged to respectively correspond to position adjustment mechanisms. The clutch mechanisms are separately arranged to respectively correspond to the position adjustment mechanisms. When any one of the operation members is operated, each clutch mechanism selectively connects the corresponding position adjustment mechanism to the rotary motor. In response to operation of any one of the operation members, the rotary motor is energized with the polarity corresponding to the operation direction of the operation member. Each clutch mechanism is arranged with respect to the rotary motor such that the axis of the clutch mechanism is parallel with the axis of the rotary shaft.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: August 11, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Sadao Ito
  • Patent number: 8169282
    Abstract: A switch and an electronic device maintain a power supply ON state until data processing is completed, and automatically turn OFF the power supply after the data processing is completed. The switch includes a rotation operating body that does not receive an operation force from an operating element when OFF operated is arranged inside the operating element. The rotation operating body includes a switch operating portion for turning ON a power supply switch mechanism and a return spring regulating piece for biasing a return spring in an anti-biasing direction. A regulating state of the return spring regulated by the return spring regulating piece is held, where the ON state of the power supply switch mechanism is held with a permanent magnet, and the ON state of the power supply switch mechanism is released by applying a release force on the permanent magnet when the power supply is reset.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: May 1, 2012
    Assignee: OMRON Corporation
    Inventors: Yasuhiro Kiyono, Toshihiro Naruo
  • Patent number: 7973256
    Abstract: A spring member is provided in a switch having a lever to receive a pushing force from outside, by bringing an arch-part formed at the left end of the spring member into resilient contact with the bottom surface of the lever, in addition to the movable contact, the spring member also can return the lever. In the case of developing a compact and low-profile switch, the returning force of the lever can be increased to perform electrical connection or disconnection reliably.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: July 5, 2011
    Assignee: Panasonic Corporation
    Inventors: Kenji Nishimura, Kenji Yasufuku, Yasuchika Kudo
  • Patent number: 7560656
    Abstract: A control knob is supported on a switch base via a first pivotal shaft. A movable contact holder holds a movable contact, faces an inner side face of the control knob, and is supported on the switch base via a second pivotal shaft. The movable contact holder is provided with a sliding surface which faces the control knob. A control plunger whose tip end slidably abuts on the sliding surface is fitted to the control knob so as to be slidable in a direction perpendicular to an axis of the first pivotal shaft. A spring is provided between the control knob and the control plunger so as to urge the control plunger to a direction to but on the sliding surface. The movable contact is attached to the movable contact holder so as to come into contact with the stationary contact when the movable contact holder is turned to at least one of first and second actuation positions.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: July 14, 2009
    Assignee: Toyo Denso Co. Ltd
    Inventors: Shoji Okatani, Hirokazu Nakata
  • Patent number: 7557322
    Abstract: In a switch unit, abutting portions are provided on a movable contact in such a manner as to be brought into contact with stepped portion of a switching control element, respectively, so that when the switching control element is operated to rock, the abutting portion elastically ride on the stepped portions, so as to impart a click to the rocking operation of the switching control element, whereby the click can be imparted to the rocking operation of the switching control element without requiring a clicking piece and a spring which are required in a conventional switch unit.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: July 7, 2009
    Assignee: Kabushiki Kaisha Tokai Rika Denki Seisakusho
    Inventor: Yukio Adachi
  • Patent number: 7544911
    Abstract: A remotely operable switch actuator for model train having a housing adapted to receive an electrical switch having a toggle, a slider translationally received by the housing and linked to the toggle, and a fulcrum for receiving mid portion of a connecting rod. The fulcrum may be translationally received by the housing, which when moved, alters the throw of the connecting rod. In certain embodiments of the invention, the slider has means for receiving a first end portion of the connecting rod where the second end of the connecting rod may engage a throw bar. In other embodiments, the actuator further includes a lever pivotally received by the housing, and linked at one end to the slider and the other end linkable to the connecting rod at one end thereof.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: June 9, 2009
    Inventor: John Socha-Leialoha
  • Patent number: 7365283
    Abstract: A switch is provided, which is stable in operating characteristics and can be operated with a small operating force, and which is long in life and easy to manufacture. The switch includes a base, a moving contact piece having one end thereof supported pivotally on the base, an operating lever supported pivotally on the base and having a drive part pushing a coil portion of the moving contact piece, and a cover having a planar shape capable of covering the base and fixed to the base to compress the coil portion. The operating lever pushes the coil portion of the moving contact piece whereby the moving contact piece turns about an end thereof, the coil portion slides on a stationary contact exposed from a bottom surface of the base, and the other end of the moving contact piece slides on a common stationary contact exposed from an inner surface of the base.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: April 29, 2008
    Assignee: Omron Corporation
    Inventors: Yasuhiro Kiyono, Toshihiro Naruo, Yasuhiro Sakashita
  • Publication number: 20070278085
    Abstract: An electrical connector comprises an insulative housing (1) defining a receiving cavity (14); a plurality of contacts (2, 3) disposed in the housing, each contact comprising a contact beam (21, 31) with a contact portion (210, 310) exposed to the receiving cavity and a pivot beam (22, 32) extending opposite to the corresponding contact beam; and an actuator comprising a plurality of grooves (421) at its rear end for receiving head portions of the pivot beams of the contacts and a plurality of shaft portions (422, 423) in the grooves. Some contact defines cutouts (320) which extend through corresponding front surfaces of the head portions for receiving the shaft portions therein, and other contacts define recesses (220) at the head portions for receiving the other shaft portions to prevent the actuator breaking off the contacts.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 6, 2007
    Inventors: Koichi Iino, Guo-Jian Shen, Chi Zhang
  • Patent number: 7223931
    Abstract: A switch is provided, which is stable in operating characteristics and can be operated with a small operating force, and which is long in life and easy to manufacture. The switch comprises a base, a moving contact piece having one end thereof, which is supported pivotally on the base, coming into pressure contact with a common stationary contact, an operating lever having one end thereof supported pivotally on the base and having a drive part, which extends from the one end, pushing a coil portion of the moving contact piece, and a cover fixed to the base to compress the coil portion. The operating lever pushes the coil portion of the moving contact piece whereby the moving contact piece turns about an end thereof, the coil portion slides on a bottom surface of the base, and the other end of the moving contact piece slides on a stationary contact exposed from an inner surface of the base.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: May 29, 2007
    Assignee: OMRON Corporation
    Inventors: Yasuhiro Kiyono, Toshihiro Naruo
  • Patent number: 7211756
    Abstract: A four function electrical rocker switch has two single pole, single throw on/off sections having their movable contact arms coupled to a single electrical line and their screw terminal fixed contacts connected to individual circuits. The two switch sections are independently operated. A third rocker switch is a single pole, double throw switch with a center-off position. The third switch can be operated to either of two positions to operate either one of two independent circuits or can be left in the center-off position not engaging either circuit. A five function electrical rocker switch can be made up of one section having a single pole, single throw on/off switch and two sections with single pole, double throw switches which each have a center-off position.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: May 1, 2007
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: David B. Balaban, Anthony Tufano
  • Patent number: 7202432
    Abstract: A switch comprises a case having a stationary contact embedded in an inner bottom surface thereof, a lever housed inside the case such that the lever is swingable around one end thereof, and a movable contact having an arm portion and a contact point on a first end of the arm portion, the contact point being slidable on any of the inner bottom surface of the case and the stationary contact while maintaining flexible contact therewith in response to a swinging motion of the lever. The movable contact is also provided with a holding portion at a second end of the arm portion, and the holding portion is embedded in the lever by insert molding.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: April 10, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Kenji Nishimura
  • Patent number: 7164093
    Abstract: An electrical switch is disclosed having improved operational characteristics wherein when a operating handle is rotated from an OFF position to an ON position the switch provides slow motion which accelerates as the operating handle is rotated to a full open position and then provides rapid establishment of electrical contact. The operating handle having a cam that when rotated from the ON position to the OFF position forces a cam follower downwards. As a result, a bridge having coil springs connected to the cam follower is forced downwards to separate at least one electrical contact placed in proximity to the bridge.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: January 16, 2007
    Assignee: Leviton Manufacturing Co., Inc.
    Inventor: Stephen R. Kurek
  • Patent number: 7135651
    Abstract: A detect switch (100) includes an insulative housing (1), a first and second fixed terminals (51, 52) retained in the insulative housing, a moveable contact (3), an operator assembly (2) and a cover (4) mounted on the insulative housing. The operator assembly (2) comprises a rotator (22) lying over the moveable contact, and an actuator (21) cooperating with the rotator (22) to drive the moveable contact. The moveable contact is formed with a pair of contacting portions (311, 321), a width of which is smaller than that of the fixed terminals. The contacting portions come to contact with and thereby electrically connect the fixed terminals when the operator assembly is manipulated.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: November 14, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd
    Inventor: Ssu-Min Lung
  • Patent number: 7105762
    Abstract: An actuator assembly is for a short-depth rocker switch including a housing having an opening, a cavity, a base, and a first depth between the opening and base. The actuator assembly includes an operating member having a first end disposed proximate the opening, and a second end extending into the cavity, and, an over-center mechanism disposed proximate the first end of the operating member, distal from the second end of the operating member. The over-center mechanism comprises a one or two-piece shaped element which defines a plurality of operating characteristics of the operating member, and which has a second depth which is less than about 25 percent of the first depth of the housing. This enables the overall depth of the rocker switch to be relatively short in comparison to known designs. A sensor for detecting the position of the second end of the operating member is also disclosed.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: September 12, 2006
    Assignee: Eaton Corporation
    Inventor: Davin R. Lee
  • Patent number: 7102094
    Abstract: The switch is comprised of a case, a first fixing terminal formed with a contact section exposed at the bottom surface of the case at one end with the other end being outside of the case, a second fixing terminal formed with a contact section exposed at a side surface of a case at one end and with the remaining end being provided outside of the case, a contact piece provided within the case, formed with a fixed contact section always in contact with the first fixing terminal at one end and a moveable contact section capable of contact with the other second fixing terminal at the other end, and with a coil spring section having resilience in a coil winding direction and compression direction at a central section, and an operation body with one end positioned within the case so as to form a pressing section capable of pressing the contact piece in a direction of compression and another end being positioned outside of the case so as to form an operation section pressed from outside.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: September 5, 2006
    Assignee: SMK Corporation
    Inventor: Li Xin
  • Patent number: 7067751
    Abstract: A switch including an insulative plastic case having a cavity formed therein, a metal cover joined to the case to cover over the cavity, and a switching contact section contained in the cavity. In this switch, a surface of the cover opposed to the case has an insulative film formed on at least a region of the surface facing to the cavity. The switch can prevent externally-originated static electricity from adversely affecting the switching contact section to protect a circuit section of a device connected to the switching contact section.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: June 27, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kenji Nishimura, Tamotsu Yamamoto, Tatsuya Tsuda
  • Patent number: 7019243
    Abstract: A lever switch includes a common contact and a fixed contact both prepared on at least an inner bottom face, or any one of inner faces of walls surrounding the inner bottom face, and a movable contact which touches or leaves at least one of the common contact or the fixed contact when a lever rotates. Terminal sections of the common contact and the fixed contact extend through walls of the housing. This structure allows the lever switch to fix those terminal sections to a wired board, thereby preventing the lever switch from coming off from the wired board. As a result, the lever switch can work with reliability.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: March 28, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tatsuya Tsuda, Eiji Kodo, Yoshiharu Abe
  • Patent number: 7012207
    Abstract: To electrically connect switch terminals of a housing and a control member in a switch for an electric tool with ease and to prevent the electric connection from becoming incomplete even when vibration occurs, elastic bodies for maintaining an electric connection are interposed between the control member and the switch terminals so that the control member and the switch terminals can maintain a stable connection even when vibration is imparted to the housing.
    Type: Grant
    Filed: May 26, 2004
    Date of Patent: March 14, 2006
    Assignee: Satori S-Tech Co., Ltd.
    Inventors: Hiroyuki Yahagi, Isao Inagaki
  • Patent number: 6888080
    Abstract: At a position which is overlapped to a space defined between a plane of projection of a first manipulating member with respect to a PCB and a plane of projection of a second manipulating member with respect to the PCB, first and second switches are arranged. First and second portions to be manipulated of the first switch are projected from a switch casing such that the first and second portions to be manipulated of the first switch are pushed and manipulated by projections at back sides of pushing surfaces of the first and second manipulating members, and first and second portions to be manipulated of the second switch are projected from the switch casing such that the first and second portions to be manipulated of the second switch are pushed and manipulated by other projections at back sides of other pushing surfaces of the first and second manipulating members.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: May 3, 2005
    Assignee: Alps Electric Co., Ltd.
    Inventor: Makoto Sasaki
  • Patent number: 6861607
    Abstract: An electrical switch comprises a housing, at least one fixed contact and a moving contact assembly provided in the housing, and an actuator. The actuator is supported for movement to move the contact assembly into contact with and out of contact from the fixed contact. The contact assembly comprises at least one pair of pivotable levers, with a first lever arranged to make or break contact with the fixed contact and a second lever pivotable by the actuator to in turn pivot the first lever into contact with the fixed contact.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: March 1, 2005
    Assignee: Defond Components Limited
    Inventor: Yee Tak Kwong
  • Patent number: 6841750
    Abstract: A switch device that includes a case having a bottom wall and sidewalls; a fixed contact member; a movable contact member; a driving member mounted on the sidewalls; and restoring means for restoring the driving member to the original position. The driving member includes an actuating portion for moving the movable contact member and an operating portion for rotating the actuating portion, wherein the actuating portion moves the movable contact member and brings the movable contact member into contact with the fixed contact member when the operating portion is driven. The driving member is restored to the original state in which the movable contact member and the fixed contact member are brought out of contact by restoring means when the driven state of the operating portion is released.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: January 11, 2005
    Assignee: Alps Electric Co., Ltd.
    Inventor: Makoto Sasaki
  • Patent number: 6797905
    Abstract: This invention discloses a rocker switch which provides a reliable movement and a heat-resistant rocker switch by redesigning the position holding mechanism. The rocker switch of the invention comprises: a common contact point, a close circuit contact point, a movable contact point permanently coupled to the common contact point, a rocking switch connecting to the movable contact point and rocking between a close circuit position and an open circuit position, and a position holding mechanism having a spring and an extension rod coupled to one end of the spring. The extension rod is used to change the position of the force acting between the spring and the rocking button and the force acting on the spring in order to improve the life of the spring and increase heat resistance.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: September 28, 2004
    Assignee: Zippy Technology Corp.
    Inventors: Yung-Hui Wang, Hui-Chun Hsu
  • Patent number: 6753489
    Abstract: The present invention is provided with a contact switching mechanism having a movable contact member that is bent into a U shape, allowed to press and contact a fixed contact member side, and supported so as to freely tilt and move thereon. In this mechanism, a switching operation is carried out between contacts by reversing the movable contact member in a see-saw manner, with a tilt-movement fulcrum portion of the movable contact member being always in contact with the contact portion of the common fixed contact member. The movable contact member is allowed to have a spring function conformed to elastically shift in response to a switching operation in addition to a contact function that is inherent to the movable contact member so that it is possible to provide a switch having high reliability, such as a push-button switch and a rotary-lever switch, which can cut costs by reducing the number of parts, and ensure a superior contacting property.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: June 22, 2004
    Assignee: Omron Corporation
    Inventors: Yasuhiro Kiyono, Toshihiro Naruo
  • Patent number: 6633013
    Abstract: A lever switch includes a case having a common contact and fixed contacts provided on inner wall opposite to each other. A movable contact made from elastic metal and shaped like the letter “M” has an intermediate section that comes into contact with the common contact. A first arm extends from each one of both ends of the intermediate section. Each one of the ends of the first arms forms a folding-back section, and a second arm is formed at the end of the folding-back section. A contact formed at the end of the second arm comes into contact with the inner wall of the case. Rotation of the lever slides a slider on the bottom plate of the case, and a pushing section provided at each one of both ends of the slider brings the contact into contact with the fixed contact or leaves the contact from the fixed contact.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: October 14, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kenji Nishimura, Masaki Nakase, Yasuchika Kudo, Yusho Nakase, Yoshiharu Abe
  • Patent number: 6600122
    Abstract: An electrical switch includes a housing within which a pair of spaced apart stationary contacts are located. A center contact is positioned between the pair of spaced apart stationary contacts. A movable contact member has a fulcrum section engaged with the center contact, and a pair of arms extending outwardly therefrom. Each arm carries a movable contact, and the movable contact is adapted for movement so as to selectively establish an electrical path between the center contact and one of the stationary contacts, by movement of the movable contact member about the fulcrum section. An actuator includes a spring biased plunger engaged with the movable contact member, for providing rocking movement of the movable contact member in response to movement of the actuator. The plunger includes a head portion which moves on the surfaces of the movable contact member for moving the movable contact member between ON and OFF positions.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: July 29, 2003
    Assignee: Reliance Controls Corporation
    Inventors: Neil A. Czarnecki, Francis W. Camps
  • Patent number: 6580045
    Abstract: A switch includes a lower insulator body having a terminal bridging cavity, front and rear terminals spaced apart from each other and having contact end portions that extend into the terminal bridging cavity, a conductive contact member having an anchoring segment mounted on the lower insulator body and a bridging segment disposed above the contact end portions of the front and rear terminals, an upper insulator body mounted on the lower insulator body and having an actuator mounting cavity, and a pivotable actuator mounted in and extending outwardly of the actuator mounting cavity and having a pressing projection above the bridging segment of the contact member. Operation of the actuator enables the pressing projection to press the bridging segment of the contact member downward so that the contact end portions of the front and rear terminals are bridged together to make electrical connection there between.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: June 17, 2003
    Assignee: Excel Cell Electronic Co., Ltd.
    Inventor: Yung-Ming Kuo
  • Patent number: 6570114
    Abstract: An electrical switch includes a stationary center contact located between spaced apart stationary first and second contacts. The contacts are mounted-within the interior of a housing, and a movable-contact member selectively establishes contact between the stationary center contact and the stationary first contact, and between the stationary center contact and the stationary second contact. The center contact includes a planar upwardly facing contact surface, and the movable contact member includes a central contact area which remains in engagement with the planar contact surface of the center contact and acts as a fulcrum during movement of the movable-contact member between first and second operative positions. The spaced apart stationary first and second contacts define coplanar upwardly facing first and second contact surfaces, respectively, which are at an elevation below the elevation of the contact surface of the stationary center contact.
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: May 27, 2003
    Assignee: Reliance Controls Corporation
    Inventor: Neil A. Czarnecki
  • Publication number: 20030094360
    Abstract: A lever switch includes a case having a common contact and fixed contacts provided on inner wall opposite to each other. A movable contact made from elastic metal and shaped like the letter “M” has an intermediate section that comes into contact with the common contact. A first arm extends from each one of both ends of the intermediate section. Each one of the ends of the first arms forms a folding-back section, and a second arm is formed at the end of the folding-back section. A contact formed at the end of the second arm comes into contact with the inner wall of the case. Rotation of the lever slides a slider on the bottom plate of the case, and a pushing section provided at each one of both ends of the slider brings the contact into contact with the fixed contact or leaves the contact from the fixed contact.
    Type: Application
    Filed: October 24, 2002
    Publication date: May 22, 2003
    Inventors: Kenji Nishimura, Masaki Nakase, Yasuchika Kudo, Yusho Nakase, Yoshiharu Abe
  • Patent number: 6559401
    Abstract: A lever switch assures stable contact just after having its contact points contacted with each other when a lever is rotated. The lever switch includes a case, a common contact and a fixed contact both provided to case's side walls adjacent to each other, a lever rotatably held by at an opening provided in a side wall facing the common contact, a movable contact which electrically contacts and removes between the common contact and the fixed contact through being bent with the lever being rotated. A fixed section disposed at a tip of a first arm of the fixed contact is press-fitted between the common contact and a supporting protrusion. A contact section disposed at a tip of a second arm of the fixed contact elastically contacts with the left-side wall of the case. A driving section of the lever comes into contact with a bent section of the first arm of the movable contact.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: May 6, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuichi Minami, Masaki Nakase, Yasuchika Kudo, Yusho Nakase
  • Patent number: 6525285
    Abstract: A lever switch includes a case, and a stationary contact, common contact, movable contact and lever which are disposed in the case. The movable contact is made up of elastic metal and includes a stationary portion, contact portion, and a curved portion located between the stationary portion and the contact portion. The stationary portion is connected to the common contact. The movable contact is disposed in a state of bending so that the contact portion may come in contact with or apart from the stationary contact. An operating portion is protruded from an opening, and a driving portion is located inside the case and abuts on the curved portion of the movable contact. When the operating portion is manipulated, the driving portion pushes the curved portion, and then the contact portion comes in contact with or apart from the stationary contact.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: February 25, 2003
    Assignee: Matsushita Electric Industrial Co. Ltd.
    Inventors: Yasuchika Kudo, Kenji Yasufuku, Yusho Nakase
  • Patent number: 6504116
    Abstract: A switch having a long contact life is provided. A neutral contact blade is provided with a first neutral contact and a second neutral contact. A primary movable contact blade and a secondary movable contact blade are supported by these first and second neutral contacts, respectively, for seesaw motion. The operation of a lever causes the primary movable contact blade and the secondary movable contact blade through a pushrod to move in a seesaw motion in such a manner that a secondary movable contact provided on one end of the secondary movable contact blade contacts with an associated secondary fixed contact before a primary movable contact provided on one end of the primary movable contact blade contacts with an associated primary fixed contact, whereas after the primary movable contact of the primary movable contact blade is separated from the primary fixed contact, the secondary movable contact of the secondary movable contact blade is separated from the secondary fixed contact.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: January 7, 2003
    Assignee: Sagami Electric Co., Ltd.
    Inventor: Kikuyoshi Nishikawa
  • Patent number: 6479776
    Abstract: A lever switch comprises a case (11) provided with a common contact (12) and stationary contacts (13, 14), a generally M-shaped movable contact (15) having a middle part (15A) in resilient contact with the common contact (12) and contact points (15E) at both ends thereof, a lever (18) disposed rotatably to the case (11), and a pair of cams (16, 17). The contact points (15E) at both ends of the movable contact (15) are in contact resiliently with two confronting inner walls of the case (11) where the stationary contacts (13, 14) are disposed. The contact points (15E) of the movable contact (15) slide and come into contact resiliently with the stationary contacts by turning motion of the lever (18).
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: November 12, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masaki Nakase, Yasuchika Kudo, Yusho Nakase
  • Publication number: 20020148714
    Abstract: A lever switch assures stable contact just after having its contact points contacted with each other when a lever is rotated. The lever switch includes a case, a common contact and a fixed contact both provided to case's side walls adjacent to each other, a lever rotatably held by at an opening provided in a side wall facing the common contact, a movable contact which electrically contacts and removes between the common contact and the fixed contact through being bent with the lever being rotated. A fixed section disposed at a tip of a first arm of the fixed contact is press-fitted between the common contact and a supporting protrusion. A contact section disposed at a tip of a second arm of the fixed contact elastically contacts with the left-side wall of the case. A driving section of the lever comes into contact with a bent section of the first arm of the movable contact.
    Type: Application
    Filed: May 6, 2002
    Publication date: October 17, 2002
    Inventors: Katsuichi MINAMI, Masaki Nakase, Yasuchika Kudo, Yusho Nakase
  • Publication number: 20020053504
    Abstract: A lever switch of the invention comprises a case (11) provided with a common contact (12) and stationary contacts (13, 14), a generally M-shaped movable contact (15) having a middle part (15A) in resilient contact with the common contact (12) and contact points (15E) at both ends thereof, a lever (18) disposed rotatably to the case (11), and a pair of cams (16, 17). The contact points (15E) at both ends of the movable contact (15) are in contact resiliently with two confronting inner walls of the case (11) where the stationary contacts (13, 14) are disposed. The contact points (15E) of the movable contact (15) slide and come into contact resiliently with the stationary contacts by turning motion of the lever (18).
    Type: Application
    Filed: November 2, 2001
    Publication date: May 9, 2002
    Inventors: Masaki Nakase, Yasuchika Kudo, Yusho Nakase
  • Publication number: 20010025780
    Abstract: A lever switch includes a case, and a stationary contact, common contact, movable contact and lever which are disposed in the case. The movable contact is made up of elastic metal and includes a stationary portion, contact portion, and a curved portion located between the stationary portion and the contact portion. The stationary portion is connected to the common contact. The movable contact is disposed in a state of bending so that the contact portion may come in contact with or apart from the stationary contact. An operating portion is protruded from an opening, and a driving portion is located inside the case and abuts on the curved portion of the movable contact. When the operating portion is manipulated, the driving portion pushes the curved portion, and then the contact portion comes in contact with or apart from the stationary contact.
    Type: Application
    Filed: December 27, 2000
    Publication date: October 4, 2001
    Inventors: Yasuchika Kudo, Kenji Yasufuku, Yusho Nakase
  • Patent number: 6239395
    Abstract: An auxiliary position switch assembly for a circuit breaker provides an electrical signal to an external monitoring device indicative of the position of a pair of separable contacts of the circuit breaker. The auxiliary position switch assembly engages a rod that switches from a retracted and extended position in response to the opening and closing of the separable contacts of the circuit breaker. The switch assembly includes a switch having a pair of separable contacts and a plunger having one end engaging one of the contacts. The plunger slidably engages a concave upper engagement surface of a pivotally mounted actuator. The actuator includes a lower convex engagement surface that engages the rod. A biasing spring connected to the actuator urges the actuator against the rod during operation of the switch assembly.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: May 29, 2001
    Assignee: General Electric Company
    Inventor: James L. Rosen
  • Patent number: 6046414
    Abstract: A switch assembly includes a housing having a longitudinal axis and a transverse axis. The housing has a pair of spaced apart longitudinally extending walls each having a control curve. An actuating element is mounted to the housing. The actuating element is longitudinally movable along the longitudinal axis between two switching positions and is pivotable about the transverse axis between two other switching positions. A first switching piece is coupled to the actuating element to pivot as the actuating element pivots. A first pair of movable electrical switching contacts is associated with the first switching piece. The first switching piece moves one of the first pair of switching contacts as the actuating element pivots. A second switching piece is coupled to the actuating element to pivot as the actuating element longitudinally moves. A second pair of movable electrical contacts is associated with the second switching piece.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: April 4, 2000
    Assignee: Leopold Kostal GmbH & Co. KG
    Inventor: Klaus Hirschfeld
  • Patent number: 6040543
    Abstract: A toggle switch includes a main housing that contains an electrical contact assembly operated by a cam member which opens and closes the contacts through movement of a leaf spring. The switch further includes a modular assembly of a housing cover to which a manually operable pivotable handle is mounted and is connected to a rotatable bushing supported shaft. The shaft operates a gear set attached to the cam member. The contacts provide an electrical connection to terminals that are insert molded into the housing. The terminals are configured to be provided with wire connecting screws accessible from the rear of the housing. The switch is thus explosion proof in construction and the rear mounted terminal screws avoid the possibility of shorting the live terminals to an associated metal electrical box. The switch is also readily constructed by known manufacturing methods and is capable of being directly installed in a standard electrical box thus avoiding the need for a separate explosion proof enclosure.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: March 21, 2000
    Assignee: EGS Electrical Group LLC
    Inventors: Nabil L. Mina, Santosh Vilanilam, Garrett S. Yarbrough
  • Patent number: 5990436
    Abstract: An electrical rocker type wall switch capable of single, duplex and triplex configurations incorporates one or more slightly concave manually depressible rockers. These rockers have a relatively short range of motion from their respective on to off positions. The edges of the rocker lie substantially flush with the switch cover when in either of their on or off positions. Switching is actuated by an actuating arm attached to the rocker moving a contact on the end of a movable brush arm in and out of electrical contact with a fixed contact on the end of a contact arm attached to a fixed terminal. One or more brush arms extend from a fixed brush backplate and are formed so as to be resilient.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: November 23, 1999
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: David B. Balaban, Anthony Tufano
  • Patent number: 5967303
    Abstract: A double pole, single throw switch for high current applications employs two sets of contacts, closed or opened by a toggle lever operating movable contacts on resilient arms into and out of engagement with fixed contacts. The chambers containing the sets of contacts are separated from a spring chamber which contains a flat spring to control the orientation of the toggle lever. Barriers between the spring chamber and each of the contact chambers prevents flashover between the contact sets.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 19, 1999
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Stephen R. Kurek, Paul Kadar
  • Patent number: 5918361
    Abstract: A switchable circuit breaker having a housing, stationary and moveable contacts, switching means for actuating the contacts to assume a first condition in which the contacts are open and a second condition in which the contacts are closed, and breaker means disposed within the housing to interrupt current flow through the contacts in response to said current flow exceeding a predetermined level. The switching means includes a pusher member moveable between an advanced position in which the pusher acts on the contacts to assume a contact opening condition and a retracted position in which the pusher releases the contacts to assume a contact closing position. The pusher is guided within the housing so as to convert a linear motion of its drive end into a step-like motion of its active end in order to provide a snapping transition between said closing and opening conditions of the contacts, thus assuring "non-tease-ability" in the switching operation.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: July 6, 1999
    Assignee: Siemens Electromechanical Components, Inc.
    Inventors: Fred Moalem, John R. Joyce, Jr.
  • Patent number: 5906272
    Abstract: A toggle-type switch employing a cam controlled toggle lever to move or permit to move resilient arms on which are located movable contacts into engagement with fixed contacts. The number of resilient arms and movable contacts and the number of fixed contacts is selected to make and break tie desired number of circuits. The manner in which the circuits are closed or opened depends upon the shape of the cam surface and the cam is spring loaded to hold the toggle in a selected position on a momentary or maintained basis. A slider cooperates with the toggle lever to move selected movable contacts into contact with fixed contacts or allows movable contacts to move out of engagement with other fixed contacts.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: May 25, 1999
    Assignee: Leviton Manufacturing Co., Inc.
    Inventor: Stephen R. Kurek
  • Patent number: 5836443
    Abstract: An electrical rocker switch having a clam-shell like in which a rocker is pivotally mounted. A unitary multi-function operating assembly fabricated from spring stock materials operates as an over-center spring to establish two rest positions for the rocker. A bifurcated or trifucated second end of the operating assembly provides springs to urge the contact assembly into intimate engagement with the boss on the underside of the rocker and provide for receiving an electrical conductor. Cross-members of the operating assembly bear movable contacts which selectively engage fixed contacts on the housing to complete external electrical circuits connected to the operating assembly and fixed contacts. An additional housing can be placed about the clam-shell like housing to seal the switch from the environment.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: November 17, 1998
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Paul Gernhardt, Serge Krzyzanowski, Frantz Germain
  • Patent number: 5826710
    Abstract: A rocker-type electrical switch of the kind known as a "quiet switch" includes a manually depressible rocker having two opposed contact surfaces at a small angle to each other from which rocker depends a rocker arm terminating in a rocker cam. A slider positioned intermediately of the rocker and the rocker cam is moved back and forth by side-to-side movements of the rocker arm and opens and closes one or more pairs of contacts. Rocker movement is controlled by a rocker cam leaf spring engaging the rocker cam which spring has a cammed profile traversed by the rocker cam to slow the switch, lock the rocker and provide other desirable effects. The rocker cam spring is housed in a spring chamber longer than itself, allowing the rocker cam spring to float.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: October 27, 1998
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Stephen R. Kurek, David Schroeder
  • Patent number: 5758764
    Abstract: To prevent the contacts of an electrical switch bouncing when the switch is operated, with the attendant arcing and contact erosion, spring mass mechanisms are added adjacent the spring arms and contacts to engage such spring arms and contacts and transfer the vibrational energy to such spring mass mechanisms and permit the spring arms and contacts to operate without any contact bounce. An energy absorber can be used alternatively to absorb the vibrational energy. A combination of spring mass mechanism for one spring arm/contact assembly and an absorber for the second spring arm/contact assembly can be employed.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: June 2, 1998
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Nick Garoffolo, Paul Kadar, Steve Campolo
  • Patent number: 5749459
    Abstract: An electrical rocker type wall switch capable of single, duplex and triplex configurations incorporates one or more slightly concave manually depressible rockers. These rockers have a relatively short range of motion from their respective on to off positions. The edges of the rocker lie substantially flush with the switch cover when in either of their on or off positions. Switching is actuated by an actuating arm attached to the rocker moving a contact on the end of a movable brush arm in and out of electrical contact with a fixed contact on the end of a contact arm attached to a fixed terminal. One or more brush arms extend from a fixed brush backplate and are formed so as to be resilient.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: May 12, 1998
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: David B. Balaban, Anthony Tufano
  • Patent number: 5735392
    Abstract: A switching device which can be changed into a lock type switching device, or a non-lock type switching device with the least number of replacement components is disclosed. The switching device includes: first and second fixed contacts mounted in parallel on the bottom of a base; first and second contact pieces which are pivotally arranged on the first and second fixed contacts, and which can be in contact with the first and second fixed contacts, respectively; a lever pivotally supported by the base; two driving rods which are elastically held in the lever in a removable manner, and whose tips slide on the first and second movable contact pieces, respectively, while being in contact therewith; and a locking member which is replaceable with the first movable contact piece (or the second movable contact piece 21), and having a convex cam surface formed on the upper surface thereof with which one of the driving rods slidably comes into contact.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: April 7, 1998
    Assignee: Alps Electric Co., Ltd.
    Inventor: Takeshi Shirasaka
  • Patent number: 5664666
    Abstract: An electrical contact assembly of the present invention includes a body having a housing and a cover defining a space. A pair of spaced terminals are received in the space. One of the terminals has a contact formed at a free end thereof. The other contact has a spring arm secured to its free end. A contact is mounted on the spring arm in a position in which it can be moved into contact with the first contact. An extension is provided on the spring arm and a stop is provided in the body. When contact operation causes or attempts to cause tack welding of the two contacts, the stop extension operation maintains a spring force on the spring arm sufficiently strong to break the tack weld so that the contacts can be opened.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: September 9, 1997
    Assignee: Emerson Electric Co.
    Inventor: John J. Filla
  • Patent number: 5635750
    Abstract: A micromechanical electrostatic relay has a base substrate with a base electrode and a base contact piece. The relay also has an armature substrate with an armature spring tongue that curves away from the base substrate, and an armature electrode and an armature contact piece. When a control voltage is applied between the two electrodes, the spring tongue unrolls on the base substrate and thus closes the contact. The curvature of the spring tongue in the quiescent condition is produced by a coating with a compressive strain layer. In order to avoid undesired transverse arcs of the spring tongue, the compressive strain layer is subdivided into strips by slots in a longitudinal direction of the spring tongue. A tensile stress layer applied in surface-wide fashion over the strips and slots reinforces the compensation effect.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: June 3, 1997
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Schlaak, Joachim Schimkat
  • Patent number: 5630502
    Abstract: A rocker-type electrical switch of the kind known as a "quiet switch" includes a manually depressible rocker having two opposed contact surfaces at a small angle to each other from which rocker depends a rocker arm terminating in a rocker cam. A slider positioned intermediately of the rocker and the rocker cam is moved back and forth by side-to-side movements of the rocker arm and opens and closes one or more pairs of contacts. Rocker movement is controlled by a rocker cam leaf spring engaging the rocker cam which spring has a cammed profile traversed by the rocker cam to slow the switch, lock the rocker and provide other desirable effects. The rocker cam spring is housed in a spring chamber longer than itself, allowing the rocker cam spring to float.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: May 20, 1997
    Inventors: Stephen R. Kurek, David Schroeder