Patents Assigned to Katoh Electrical Machinery Co., Ltd.
  • Patent number: 6327457
    Abstract: An opening-closing device is capable of automatically positioning an opened pressing mechanism horizontally in relation to a supporting table. A base member is provided for fixation to a body of an apparatus on which the pressing mechanism is to be used. A supporting member is secured pivotably to the base member and a lifting member is provided to which a rear portion of the pressing mechanism is fixed to a free end of the supporting member with a supporting pin reversibly in a direction in which the lifting member will overlap the supporting member. An elastic member forces the supporting member along with the lifting member in the opening direction of the pressing mechanism while forcing the lifting member in a direction in which the lifting member will overlap the supporting member.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: December 4, 2001
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Takayuki Hashimoto
  • Patent number: 6275999
    Abstract: A hinge device for use to support a seat and seat lid of a toilet bowl openably and closably is provided which can also be implemented even without any rubber ring and provide a delicately controlled feeling with the sea and seat lid when being opened or closed.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: August 21, 2001
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Oriya Fujita
  • Publication number: 20010004776
    Abstract: A hinge device for use to support a seat and seat lid of a toilet bowl openably and closably is provided which can also be implemented even without any rubber ring and provide a delicately controlled feeling with the sea and seat lid when being opened or closed.
    Type: Application
    Filed: February 2, 2001
    Publication date: June 28, 2001
    Applicant: Katoh Electrical Machinery Co. Ltd.
    Inventor: Oriya Fujita
  • Patent number: 6178597
    Abstract: An operative hinge for use with an opening/closing body is provided which comprises a hinge case to be installed to a toilet bowl body for operating the opening/closing body; a shaft provided rotatably within the hinge case to support the opening/closing body; a stationary cam fixed within the hinge case and having formed therein a central through-hole through which the rotating shaft is axially penetrated; a cam provided within the hinge case and having formed therein a central through-hole through which the rotating shaft is axially penetrated to be slidable on, and rotatable with, the rotating shaft; and a resilient means for urging the rotatable sliding cam toward the stationary can, the hinge further comprising, to further positively control the rotation or the rotating means, a damping means consisting of a rubber ring fitted on the rotating shaft and interposed between the outer surface of the rotating shaft and the inner wall of the hinge case; and a viscous oil applied between the outer surface of th
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: January 30, 2001
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventors: Naokazu Suzuki, Isao Nagashima, Akira Sorimachi, Oriya Fujita
  • Patent number: 6175990
    Abstract: In order to fabricate a hinge device for opening and closing an opening and closing member which is opened and closed one-sidedly or relatively in respect of a main body of the device in a small size, with a structure as simple as possible and inexpensively, the device is constituted by a shaft installed with a flange portion at one end portion thereof, a fixing member having a rotational lock which is engaged with other end portion of the shaft such that the fixing member does not come of f the other end portion and fixed to one connecting portion of the opening and closing member which is constituted to be rotatable along with the shaft, a fixed cam having a rotational lock which is fixed to other connecting portion of the opening and closing member while rotatably inserting the rotating shaft through a central portion thereof on a side of the flange portion of the rotating shaft, a rotary sliding cam which is installed between the fixed cam and the fixing member, engaged with the shaft inserted through a c
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: January 23, 2001
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventors: Hideo Kato, Oriya Fujita
  • Patent number: 6158085
    Abstract: In order to provide a closing device for an original cover in which a spring case is not cracked or broken during use even if zircon by which the spring case can be cheaply manufactured and which has excellent mechanical characteristics is especially used, the closing device has the spring case made of a synthetic resin provided for either an attaching member attached to a machine body or a supporting member for holding the original cover rotatably connected to the attaching member via a hinge pin and the rotation moment of the original cover attached to the supporting member is controlled by using a compression force of a compression coil spring housed in the spring case, wherein a reinforcing frame member made of a metal for reinforcing the spring case is attached to the spring case.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: December 12, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Kazuhiko Oshiro
  • Patent number: 6154925
    Abstract: A tilting hinge, includes a bracket having mount plate portion and a bearing plate portion bent at a right angle in relation to the mount plate portion and in which a bearing hole is formed. A rotating shaft has a mount portion, a large-diameter portion and an externally threaded small-diameter portion supported rotatably in the bearing hole. A first friction washer is provided between the large-diameter portion and one side of the bearing plate of the bracket and has a hole in which the small-diameter portion of the rotating shaft is inserted. A second friction washer is provided in engagement with the other side of the bearing plate and has formed thereof a hole in which the small-diameter portion of the rotating shaft is inserted. A spring washer provided in engagement with the second friction plate and has formed thereof a hole in which the small-diameter portion of rotating shaft is inserted.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: December 5, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Fumiaki Miura
  • Patent number: 6125507
    Abstract: In order to provide a closing device for a covering member, which is smaller than a conventional device, can stably hold the covering member at a predetermined open angle, and is manufactured at low cost, the closing device comprises: a rotary shaft having a flange part and a means to be fixed to the covering member side; a guide plate which is rotatably retained by a side facing the flange part of the rotary shaft and has means to be fixed to the device body; a first click plate fixed to the guide plate so as to be rotatable around the rotary shaft together with the guide plate; a second click plate which is in contact with the first click plate and is attached to the rotary shaft so as to be non-rotatable and slidable in the axial direction; and a compression means compressedly arranged between the second click plate and the flange part in order to press toward the first click plate side.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: October 3, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Hideo Katoh
  • Patent number: 6115886
    Abstract: A hinge apparatus for portable electronic devices such as portable telephones and handheld personal computers can be manufactured with a small and simple structure at a low cost. The hinge apparatus has a shaft with a flange, a cam engaged with an end of the shaft and; a slide cam engaged with the shaft between the cam and the flange. The slide cam is rotatably with the shaft and slidably in an axial direction. A compression spring is rolled around the shaft, and elastically provided between the slide cam and the flange. The cam has a pair of projections on one side surface at opposite positions, and the slide cam has cam members press-contacted with the projections. Otherwise, provided is a hinge apparatus which connects a microphone and a earphone of a portable telephone.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: September 12, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Oriya Fujita
  • Patent number: 6100963
    Abstract: An original-cover closer has: a mounting or base member to be installed on the body of a copying machine; a supporting member pivoted at side plates thereof by a first hinge pin to side plates of the mounting member and on which an original cover is supported and; a lifting member mounted at side plates thereof by a second hinge pin on the supporting member at free ends of the side plates thereof to be pivotable in an opposite direction to the direction in which the support member is opened and closed and to which the original cover is to be fixed.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: August 8, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Hiroaki Hosaka
  • Patent number: 6085388
    Abstract: A small operating device for an openable and closable structure is disclosed which can provide a large friction torque and in which the friction torque can be adjusted. The operating device comprises a rotating shaft; a holder encasing the outer circumference of the rotating shaft axially and having formed therein a bearing hole which is radially reducible in diameter;an adjusting screw to adjust the diameter of the bearing hole in the holder; and an inner race fitted between the bearing hole in the holder and the rotating shaft and placed in axial contact with the outer circumference of the rotating shaft and radially reducible in diameter.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: July 11, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Takayuki Kaneko
  • Patent number: 6067667
    Abstract: A semi-automatic toilet bowl seat and seat lid operator, comprising a hinge case to be installed to a toilet bowl body; a rotating shaft to support a seat and seat lid of the toilet bowl openably and closably; an output gear mounted on the rotating shaft; a fluid damper having a damper gear in mesh with the output gear; a reduction gear coupled to the output gear by means of a torque limiter; a motor coupled to the reduction gear; and a drive circuit to drive the motor in a range from an opened angle, to a predetermined closed angle, of the seat and seat lid. The drive circuit is provided with a sensor to detect an operation made to open the seat and seat lid, and a timer which is turned on by the sensor to turn on the drive circuit in a predetermined time after the sensor is turned on. The seat and seat lid of the toilet bowl can be opened and closed by hand, and the opened seat and seat lid can be automatically closed slowly with the semi-automatic operator.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: May 30, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Naokazu Suzuki
  • Patent number: 6052869
    Abstract: An operating hinge for a seat and seat lid of a toilet bowl, simply constructed and capable of controlling the angular moment of the seat and lid to softly stop them in place at their respective predetermined ends of pivoting stroke, provided.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: April 25, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Naokazu Suzuki
  • Patent number: 6038739
    Abstract: To provide a tilt hinge capable of obtaining a great frictional torque despite of its small size and insuring a clip stop, the present invention comprises a bracket to be mounted on the body side of the equipment, a rotating shaft designed to be mounted to the end of an opening-closing body which is rotatably mounted on a bearing section of the bracket, a friction washer mounted between the large-diameter portion of the rotating shaft and the bearing section and/or on the other side face of the bearing section with the rotating shaft inserted into the central part, and an elastic means mounted with the rotating shaft inserted in the central part to press the friction washer against the large-diameter portion and/or the bearing section; and a click stop means is provided between the rotating shaft and the bracket.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: March 21, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Hideo Katoh
  • Patent number: 6009568
    Abstract: An opening-closing device for a Western style toilet seat and seat cover is disclosed, in which a pair of hinge cases are mounted at a predetermined spacing at the rear upper end of a Western style toilet bowl; in either of the pair of hinge cases a rotating shaft for the seat and a rotating shaft for the seat cover are rotatably mounted; on the rotating shaft for the seat in either hinge case, the seat mounting section is rotatably mounted, and on the rotating shaft for the seat cover in the hinge case, the seat cover mounting section is rotatably mounted; and a rotation control mechanism is mounted on the rotating shaft for the seat and the rotating shaft for the seat cover, to thereby prevent sudden drop of the seat and seat cover, At this time, the rotation control mechanism may be a cam mechanism using a compression spring, a torsion spring, a rotation camper, or a friction mechanism.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: January 4, 2000
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Kanetsugu Miyazaki
  • Patent number: 6006064
    Abstract: In an original cover closer adapted to support an original cover used on a copying machine and on which an automatic document feeder is provided, including two types of original cover closers different in construction from each other.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: December 21, 1999
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Takayuki Hashimoto
  • Patent number: 6000069
    Abstract: A compound torque hinge comprising a first rotating shaft to be mounted on the toilet bowl is rotatably mounted in the case body; the first rotation control mechanism comprising a cam mechanism with a compression spring on one side portion housed in the case body of the first rotating shaft is provided; a second rotation control mechanism comprising a rotation damper is juxtaposed in two stages within the case body in the upper or lower section of the first rotation control mechanism; a driving power transmitting means is mounted between the second rotation control mechanism and the first rotation control mechanism; and on the rotating shaft one of mounting sections of the toilet seat or seat cover is rotatably supported on a bearing, while the other is fixed so as to rotate together with the rotating shaft.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: December 14, 1999
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Akira Sorimachi
  • Patent number: 5996132
    Abstract: A compound torque hinge comprising a first rotating shaft rotatably mounted through a partition wall within a hinge case having the partition wall; a first rotation control working on the first rotating shaft and mounted on one side of the partition wall of the hinge case; and a second rotation control mean coaxially mounted on the other side of the partition wall of the hinge case. The first rotating shaft is connected to the second rotating shaft of the second rotation control. The first rotating is a cam mechanism provided with spring and the second rotation control is a fluid damper.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: December 7, 1999
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Akira Sorimachi
  • Patent number: 5991936
    Abstract: A Western style toilet seat and seat cover opening-closing device is disclosed, in which a rotating shaft is rotatably mounted in the axial direction of a case body designed to be mounted on the toilet bowl, and a first rotation control of the rotating shaft is provided in a part housed in the case body. In the case body above or below the first rotation control a second rotation control of the rotating shaft are vertically juxtaposed. Between the second rotation controls and the first rotation control mechanism, a driving power transmitting mechanism is disposed. On the rotating shaft, one of the seat or seat cover mounting sections is rotatably mounted through a bearing, while the other is so fixed as to rotate together with the rotating shaft.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: November 30, 1999
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Akira Sorimachi
  • Patent number: 5970580
    Abstract: A tilt hinge comprises a fixing member composed of a fixing base fixed to a main body of a device and a bearing plate; a rotating shaft having a small diameter part rotatably born at the bearing plate of this fixing member; a first friction washer placed between a large diameter part of the rotating shaft and one side surface of the bearing plate with its small diameter part being inserted into and passed through its central part; a second friction washer arranged to be contacted with the other side surface of the bearing plate with the small diameter part being inserted through its central part; a pressing plain washer arranged to be contacted with this second friction washer with the small diameter part being inserted into and passed through its central part; wherein the end part of the small diameter part is press fitted to cause the first friction washer to be press contacted between the bearing plate and the large diameter part and the second friction washer to be press contacted between the bearing plat
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: October 26, 1999
    Assignee: Katoh Electrical Machinery Co., Ltd.
    Inventor: Hideo Katoh