Axial-radial Patents (Class 192/69.7)
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Patent number: 10752361Abstract: According to an aspect of the present invention, there is provided an electrical connector socket comprising a housing having a front face configured to mate with a corresponding face of a corresponding plug; at least one electrical connector pin mounted on a mounting assembly inside the housing, the mounting assembly being movable in a direction substantially perpendicular to the front face; wherein: the mounting assembly includes a magnetic member configured to interact with a corresponding plug-side magnetic member of the plug to establish a magnetic attraction force, to urge the movable mounting assembly towards the front face to a coupling position in which the at least one connector pin protrudes through a corresponding at least one opening in the front face; the mounting assembly further including a resilient member configured to exert a restoring force on the mounting assembly, to urge the mounting assembly towards a rest position in which the at least one connector pin does not protrude from theType: GrantFiled: August 23, 2018Date of Patent: August 25, 2020Assignee: Amphenol Phitek LimitedInventors: David Mutton, Randy M. Diaz
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Patent number: 9700032Abstract: A clutch pawl includes a synthetic resin body member and a metallic reinforcing member. The synthetic resin body member is pivotally mounted to a clutch cam. The metallic reinforcing member integrally pivots with the body member and reinforces the body member. The toggle spring member divides and biases the clutch pawl to the engaged position and the separated position.Type: GrantFiled: March 16, 2015Date of Patent: July 11, 2017Assignee: Shimano Inc.Inventor: Kunio Takechi
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Patent number: 9689437Abstract: A clutch mechanism includes a meshing arrangement between a first plurality of teeth on a first component coupled to a driven shaft and a corresponding second plurality of teeth on a second component coupled to a driving shaft.Type: GrantFiled: June 23, 2016Date of Patent: June 27, 2017Assignee: Premier Coil Solutions, Inc.Inventors: Randall Dean Behrens, Kevin James Roman
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Patent number: 9456540Abstract: A power take off coupling for connecting an engine (20, 21) to a site accessory (16, 14, 17), comprises a resilient power transmission component (3) within the coupling; a latching device (8, 46, 9) to mechanically latch the accessory to the engine (20, 21), with a manually operable release handle (13) to effect unlatching. A power output shaft of the engine (20, 21) carries one half (5) of a dog clutch with the other half (7) carried by the accessory (16, 14, 17).Type: GrantFiled: January 24, 2012Date of Patent: October 4, 2016Assignee: Evolution Power Tools LimitedInventors: Samuel Ryan Rees, John R. Wade
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Publication number: 20150114788Abstract: A component (2), in particular a shifting element of a transmission device, which rotates around a central axis (14) and is adjustable in an axial direction (y), with an encoder contour (5) revolving on the circumference of the component (2) and provided for interacting with a sensor device (4), is described. The encoder contour (5) features at least one area (7) provided for calculating the position of the component (2) in an axial direction (y), whereas a surface (11) of the first range (7) in an axial direction (y) is designed with a varying radial extension in respect of the central axis (14). The encoder contour (5) features several second areas (8) for calculating the rotational speed of the component (2), whereas a slope of a radial extension of a surface (20) of the second areas (8) in the axial direction (y) of the component (2) is differentiated from a slope of a radial extension of the surface (11) of the first areas (7) in the axial direction (y) of the component (2).Type: ApplicationFiled: October 24, 2014Publication date: April 30, 2015Inventors: Ingo Lippenberger, Stefan Hakspiel, Christoph Braun, Dominic Bezikofer, Frank Schneider
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Patent number: 8858384Abstract: A bevel gear used in a differential device for a vehicle is comprised of: a body having an axis, a conical pitch surface around the axis, an opposite surface opposed to the conical pitch surface, and a side surface around the axis; gear teeth formed on the pitch surface, each of the gear teeth having a top land projecting from the pitch surface; and clutch teeth formed on the opposite surface, each of the clutch teeth having a bottom land standing back from the opposite surface, each of the bottom lands of the clutch teeth being aligned with any of the top lands of the gear teeth in a line parallel to the axis.Type: GrantFiled: March 6, 2013Date of Patent: October 14, 2014Assignee: GKN Driveline Japan LtdInventors: Masaaki Fusegi, Yasuo Yamanaka
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Publication number: 20140216774Abstract: A mechanical assembly for a power tool, and a power tool incorporating the mechanical assembly are provided. The mechanical assembly includes (i) a first member having a first axis and a first engagement portion inclined relative to the first axis, (ii) a second member having a second axis and a second engagement portion inclined relative to the second axis, wherein the first and second engagement portions engage each other by movement of the first and second members relative to each other in the direction of at least one of the axes; and wherein the first member is a ring gear and the second member is a central gear and the first and second engagement portions engage and disengage each other by movement of the second member within a space defined within the first member.Type: ApplicationFiled: October 25, 2013Publication date: August 7, 2014Applicant: DEMAIN TECHNOLOGY PTY LTDInventors: David Leigh Scrimshaw, Benjamine Luke Van der Linde, Paul Francis Connor, Paul Miller
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Patent number: 8690175Abstract: A disconnectible stabilizer bar assembly for a vehicle having first and second stabilizer bar halves, a housing fixed to an end portion of each stabilizer bar half, so as to align the two halves. The housing containing a stator with magnetic coil, a rotor with exterior magnets and threaded onto a hollow screw, with the stator selectively rotating the rotor and the rotation translated into axial movement of the screw. The screw having meshing means on an interior surface and an end face, the interior meshing means meshed with an exterior meshing means on one of the stabilizer bar halves, and the end face meshing means selectively coupled and decoupled with aligned mashing means on the other of the stabilizer bar halves.Type: GrantFiled: May 20, 2013Date of Patent: April 8, 2014Assignee: Schaeffler Technologies AG & Co. KGInventor: Mark Brown
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Patent number: 8668066Abstract: A sintered coupling ring (1) is described, comprising a ring of coupling teeth (2) which comprise relieved flanks (4) extending from wedge-shaped end faces (3) and, on the side opposite the wedge-shaped end faces (3), a stop (5) that protrudes radially beyond the tooth tip (6). In order to provide advantageous constructional conditions it is proposed that the stops (5) have a greater density than the remaining tooth tip (6).Type: GrantFiled: October 6, 2010Date of Patent: March 11, 2014Assignee: Miba Sinter Austria GmbHInventors: Christian Kronberger, Horst Roessler, Christian Sandner
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Publication number: 20130334001Abstract: A connecting device (1) for the rotationally fixed connection of first and second shafts (2, 3) that can rotate relative to one another. The connecting device (1) comprises an axially movable connecting element (5) designed such that, in a first axial position (A), the connecting element (5) forms an interlock between the first and second shafts (2, 3) and, in a second axial position (B), the connecting element (5) releases the interlock. The connecting device (1) also comprises an actuating system (6, 8, 9, 10, 11) for moving the connecting element between the first and second axial positions (A, B) and a stop (16) which limits the axial movement of the connecting element (5) in the first or second axial position (A, B). An impact damper (17) is provided for the stop (16) in order to reduce annoying noise when the connecting element (5) strikes against the stop (16).Type: ApplicationFiled: June 7, 2013Publication date: December 19, 2013Inventors: Stefan ALBRECHT, David ELSDOERFER
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Publication number: 20130334000Abstract: A connecting device for connecting first and second shafts in a rotationally fixed manner. The connecting device has a connecting element with form-locking elements that axially moves between a first axial position, to form lock the shaft via the form-locking elements, and a second axial position, to release the form lock. An actuator, when electrically energized, causes movement of the connecting element between the first and the second position. The locking elements are disposed in axially spaced first rows such that, in the first position, these rows engage with corresponding second rows of locking elements of the first shaft to achieve a form lock and couple the first and second shafts, and, in the second position, the first rows disengage from the corresponding second rows of form-locking elements of the first shaft to respectively release the first and second shafts and permit relative rotation therebetween.Type: ApplicationFiled: May 8, 2013Publication date: December 19, 2013Applicant: ZF Friedrichshafen AGInventors: Georg GERAUER, Alois BOCK
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Publication number: 20130233668Abstract: The invention relates to a transmitter (18) for a synchronizing assembly of a manual transmission, having a thrust piece (42), a spring (44; 84) that cooperates with the thrust piece (42), and at least one synchronizer ring (30), the thrust piece (42) being acted upon by the spring (44) such that the transmitter (18) can transmit a pre-synchronizing force to the synchronizer ring (30) in the axial direction.Type: ApplicationFiled: August 31, 2011Publication date: September 12, 2013Applicant: HOERBIGER ANTRIEBSTECHNIK HOLDING GMBHInventors: Juergen Binder, Thomas Schnelzer, Peter Echtler, Michael Koelzer, Peter Kramer
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Publication number: 20130220763Abstract: A lock assembly for use in automotive and industrial transmission systems comprises: an actuator (2) having an impeller (6) movable between two rest positions by energising the actuator, wherein the impeller is retained in each of the two rest positions by passive magnetic forces generated by the actuator; a locking arrangement (10, 22; 42, 52; 62, 64; 70, 74; 80, 96) switchable between a first configuration in which rotation of a shaft is unimpeded by the locking arrangement and a second configuration in which rotation of said shaft is blocked by the locking arrangement; and a linkage (14, 16; 44, 46, 61, 88) between the impeller and the locking arrangement, wherein the assembly is arranged such that in one of the impeller rest positions, the locking arrangement is in its first configuration and said shaft is freely rotatable, and in the other of the impeller rest positions, the locking arrangement is urged towards and into its second configuration.Type: ApplicationFiled: November 25, 2011Publication date: August 29, 2013Applicant: Camcon Oil limitedInventors: Fred Hyde, David Kelly, John Morton, Mark Findlay
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Patent number: 8448771Abstract: A dog clutch gear is provided that can prevent stress concentration due to a machined edge from occurring in the dog clutch gear and that can prevent a cutting load from being intermittently applied to a cutting tool to lengthen the lifetime of the cutting tool. The dog clutch gear includes a rim portion formed with power transmission teeth on the outer circumference; a boss portion fitted to a rotating shaft; an annular connecting portion connecting the rim portion with the boss portion; and a dog member formed on a lateral surface of the annular connecting portion. A machined surface is formed on an axial end surface of the boss portion. A runout groove axially continuing from the dog member toward the axial end surface of the boss portion is formed at a joint portion between the boss portion and the dog member.Type: GrantFiled: February 2, 2011Date of Patent: May 28, 2013Assignee: Honda Motor Co., Ltd.Inventor: Satoshi Kuwashima
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Publication number: 20130060437Abstract: A safety clutch for an electric drive which includes an electric motor and a shaft which is driven thereby. A transmission of torque between the electric motor and the shaft can be brought about by at least one connecting element. A controllable locking device via which an interruption in the transmission of torque between the electric motor and the shaft can be brought about, is assigned to the connecting element. The use of the safety clutch in an electric drive for a wheeled vehicle is disclosed, a controller evaluating the transmission of torque between the electric motor and the shaft using a vehicle state, and when a fault state is detected the controller transmitting a control signal to the controllable locking device, as a result of which an interruption is brought about in the transmission of torque between the electric motor and the shaft.Type: ApplicationFiled: April 11, 2011Publication date: March 7, 2013Applicant: Schaeffler Technologies AG & Co KGInventors: Michael Bogner, Raphael Fischer
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Patent number: 8348041Abstract: A dog-tooth-face interface for a vehicle includes a first clutch element that has a plurality of recesses distributed on a side of the first clutch element and around an axis through the first clutch element and a second clutch element that has a plurality of teeth configured to engage with the recesses and distributed on a side of the second clutch element adjacent the recesses. At least one of the first clutch element and the second clutch element is configured so as to rotate about the axis, and at least one of the first clutch element and second clutch element is configured so as to move along the axis to engage or disengage the first and second clutch elements. Moreover, the first clutch element has a substantially continuous wall surrounding the recesses, and the recesses have at least one corner relief portion configured to avoid contact with corners of the teeth.Type: GrantFiled: July 20, 2005Date of Patent: January 8, 2013Assignee: Mack Trucks, Inc.Inventor: Matthew T. Elliott
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Publication number: 20120318629Abstract: A hold-out ring type locking differential for an automobile or other type of motorized vehicle includes a differential case housing a number of components, such as a center driver positioned between holdout rings, clutch members, springs, spring retainers, side gears, and thrust washers. The center driver includes a center cam that engages inner teeth of the clutch members, which in turn include a tooth shape or profile for reducing stress and wear while increasing an operational life of the clutch member. The inner clutch teeth each have a top portion coupled to a base portion at an intersection point. The top portion extends from the intersection point to a free edge surface while the base portion extending from the intersection point continually into a root radius region.Type: ApplicationFiled: August 27, 2012Publication date: December 20, 2012Applicant: RING & PINION SERVICE, INC.Inventor: Randal A. Lyman
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Publication number: 20120234644Abstract: A positively interlocking shifting device, in particular a claw shifting device for a vehicle transmission. The shifting device comprises at least a first clutch element (1) and a second, axially displaceable clutch element (2). For the interlocking engagement of the corresponding claws (3, 4) of the first and second clutch elements (1, 2), the axially displaceable clutch element (2) can be shifted as soon as a predetermined speed difference, between the two clutch elements (1, 2), is reached. At least one detection device is provided for detecting an offset position between the corresponding claws (3, 4) of the first and the second clutch elements (1, 2), as required for engagement.Type: ApplicationFiled: November 29, 2010Publication date: September 20, 2012Applicant: ZF FRIEDRICHSHAFEN AGInventor: Thomas Rosemeier
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Patent number: 8267234Abstract: A force transmitting coupling for drivingly coupling winding devices of adjacent architectural coverings. The coupling includes first coupling member, a second coupling member, and mating engagement means on the first and second coupling members adapted to establish mating engagement between the first and second coupling member to transmit a drive force from one of the first and second coupling members to another of the first and second coupling members. The second coupling member includes a hub and the engaging means on the second coupling member are resiliently connected to the hub.Type: GrantFiled: December 14, 2007Date of Patent: September 18, 2012Assignee: Hunter Douglas Industries BVInventors: Lars Koop, Jörg Bohlen
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Patent number: 8162118Abstract: A releasable drive connection includes a ring including teeth angularly spaced about an axis, and grooves, each groove formed in an axial end of the ring and aligned angularly with a space between consecutive ring teeth; and a sleeve supported for axial movement, including first teeth angularly spaced about the axis, engageable with the ring teeth, each first tooth having a first length; and second teeth, each second tooth aligned with one of the first teeth, having an axial length shorter than the first length, and including a pointed end for engaging one of the grooves and permitting the first tooth to extend between and engage consecutive gear teeth.Type: GrantFiled: May 15, 2009Date of Patent: April 24, 2012Assignee: Ford Global Technologies, LLCInventors: Mark W. Marchie, Paul W. Erlandson
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Patent number: 7849991Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.Type: GrantFiled: October 31, 2007Date of Patent: December 14, 2010Assignee: F.R. Drake CompanyInventors: William L. Harrison, William M. Oliver, Jeffrey D. Wightman
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Publication number: 20100140042Abstract: A dog-tooth-face interface for a vehicle includes a first clutch element that has a plurality of recesses distributed on a side of the first clutch element and around an axis through the first clutch element and a second clutch element that has a plurality of teeth configured to engage with the recesses and distributed on a side of the second clutch element adjacent the recesses. At least one of the first clutch clement and the second clutch element is configured so as to rotate about the axis, and at least one of the first clutch element and second clutch element is configured so as to move along the axis to engage or disengage the first and second clutch elements. Moreover, the first clutch element has a substantially continuous wall surrounding the recesses, and the recesses have at least one corner relief portion configured to avoid contact with corners of the teeth.Type: ApplicationFiled: July 20, 2005Publication date: June 10, 2010Applicant: Mack Trucks, IncInventor: Matthew T. Elliott
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Publication number: 20100051405Abstract: A device for rotationally fixing a shaft to a component that is rotatably arranged on the shaft. The actuating element positively engages the components to rotationally fix the components to the shaft. The difference in rotational speeds, between the component and the shaft, can be at least approximately compensated for by the actuating element. The actuating element, for rotationally fixing the component to the shaft by the actuator, is operatively connected to at least one support body, which is rotationally fixed with respect to the shaft in such a manner that the actuating element can act upon the component with an actuating force that depends on the torque to be transmitted from the shaft to the component and which is independent of the actuation of the actuator in the state in which the actuating element can be rotated relative to the shaft.Type: ApplicationFiled: October 2, 2007Publication date: March 4, 2010Applicant: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Mark Mohr
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Patent number: 7669797Abstract: A foldable boarding ramp is operatively connected to a door opening provided in a body and is selectively extendable to the ground. The foldable boarding ramp is stored in a folded state inside a fairing covering a connecting portion between the body and a main wing. Thus, a reduction in the space of a passenger compartment and a cargo compartment due to the storage of the folded boarding ramp is prevented. In addition, an increase in air resistance can be suppressed without providing a dedicated fairing for covering the boarding ramp. Further, an interlocking member connects together a door for opening and closing the door opening and the boarding ramp when the door is opened. The boarding ramp may be automatically deployed to improve convenience.Type: GrantFiled: April 3, 2007Date of Patent: March 2, 2010Assignee: Honda Motor Co., Ltd.Inventors: Wataru Yada, Hiroshi Yamanouchi
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Patent number: 7621158Abstract: A coupling apparatus includes an inner shaft rotatably driven about a longitudinal axis of rotation, an outer shaft concentric with the inner shaft for selective rotation about the longitudinal axis, a coupling element movable between a first position engaging the inner shaft to the outer shaft for rotation therewith, and a second position disengaging the inner shaft from the outer shaft for relative rotation therebetween, and an actuating element connected to the coupling element and operable to move the coupling element between the first position and the second position.Type: GrantFiled: June 22, 2004Date of Patent: November 24, 2009Assignee: General Electric CompanyInventors: Jon Arthur Roepke, Joshua Paul Kopecky, Derek Lee Watkins, Mark Aaron Weaver, Christopher Gregory Hoppe, Bertram Joseph Stocker, Jr.
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Patent number: 7603059Abstract: Inner circumference projections of a driven coupling are engaged with inner circumference recesses of a drive coupling. Outer circumference projections of the driven coupling are engaged with outer circumference recesses of the drive coupling. A chamfered portion formed at each tip of the rotational leading-side side surface of the inner circumference projections is capable of contact with the leading-side side surface of each inner circumference recess. A rotational trailing-side circumferential end face of each outer circumference projection and a rotational trailing-side circumferential end face of each outer circumference recess are in surface-to-surface contact with each other. As a result, the drive coupling and the driven coupling can rotate integrally without rattling in the rotational direction.Type: GrantFiled: January 26, 2006Date of Patent: October 13, 2009Assignee: Kyocera Mita CorporationInventor: Takeshi Marumoto
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Patent number: 7424941Abstract: A clutch device with a buffer function comprises a first spindle having an engaging surface; a second spindle having a rack at a side near the first spindle; the second spindle movably engaged to the first spindle; a clutch sleeve enclosing the second spindle; a front side of the clutch sleeve formed with an engaging surface near the first spindle; an axial hole of the clutch sleeve being formed as a teethed groove which can be positioned by engagement and is axially moved; the clutch sleeve being driven by a clutch toggle; the clutch toggle being controllable through a driving fork; a buffer unit installed between the clutch toggle and the clutch sleeve; thereby the movement of the clutch toggle will drive the clutch sleeve to move.Type: GrantFiled: March 22, 2006Date of Patent: September 16, 2008Inventor: Jen-Chih Liu
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Patent number: 7419041Abstract: A transmission shaft is divided into a first shaft portion releasably connectable to a first electric motor/generator via a first gear set and a second shaft portion connected to a second electric motor/generator via a second gear set. The first and second shaft portions are operatively connected to one another for rotation together. The first shaft portion is selectively slidable with respect to the second shaft portion to connect and disconnect the first shaft portion and the first gear set.Type: GrantFiled: June 15, 2005Date of Patent: September 2, 2008Assignee: GM Global Technology Operations, Inc.Inventors: John A. Diemer, Boris I. Burgman, Henryk Sowul
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Patent number: 6830142Abstract: A transfer case for a vehicle having two-wheel drive and four-wheel drive operating modes operatively established by a drive transfer mechanism that is selectively employed to interconnect a main power drive shaft construction for the drive of a first set of wheels with an auxiliary drive shaft for the drive of a second set of wheels. The drive transfer mechanism includes a clutch assembly package comprising a control rod supported for movement in a direction coaxial to the longitudinal axis of the auxiliary drive shaft. The clutch assembly includes a clutch collar supported within the auxiliary drive shaft on the control rod for movement therewith to alternately connect and disconnect the power shaft with the auxiliary drive shaft. For multi-ratio case operation, the power shaft construction may have an input and output power shaft sections that are selectively interconnected by a planetary gear set and a speed shift collar.Type: GrantFiled: December 19, 2002Date of Patent: December 14, 2004Assignee: Borgwarner, Inc.Inventor: David Robert Weilant
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Publication number: 20040079609Abstract: A transmission gear with a dog clutch gear in which the dog clutch gear has clutch teeth formed on an outer circumferential surface of a ring part and tapered inversely so that the tooth thickness of each tooth decreases gradually from a chamfer portion at a tip end toward a base end portion thereof, and the dog clutch gear is integrally fitted onto a boss portion of the transmission gear which portion is coaxially and integrally formed on a side surface of the transmission gear, characterized in that a flange is provided on the ring part to be located on the side corresponding to the base end portion of the clutch teeth, and plurality of surfaces between the ring part and the transmission gear is performed by welding.Type: ApplicationFiled: July 15, 2003Publication date: April 29, 2004Applicant: O-OKA CORPORATIONInventor: Junichi Ooka
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Publication number: 20030121745Abstract: A locking clutch comprises a toothed member and a slide assembly which are connectable to drive and driven parts. The two members are movable between an engaged position in which the clutch transfers power and/or torque to the driven part and a disengaged position in which power and/or torque is not transferred. The toothed member comprises a cylindrical surface and a plurality of teeth spaced about and extending from the cylindrical surface. The slide assembly comprises a body having a circumferential surface with a plurality of channels formed in said surface. Slide members are received in the channels to be movable between an extended position in which they can engage the teeth of the toothed member and a retracted position in which they do not engage the teeth of the toothed member. A resilient member biases the slide members to their extended positions. The slide assembly can be formed so that the slide members move either axially or radially relative to the slide assembly body.Type: ApplicationFiled: October 4, 2002Publication date: July 3, 2003Inventor: Xiaolan Ai
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Publication number: 20030121746Abstract: A locking clutch of the present invention comprises a toothed member which is connectable to a drive part and a slide assembly which is connectable to a driven part. The toothed member comprises a cylindrical surface and a plurality of teeth spaced about and extending from said cylindrical surface. The slide assembly comprises a base and a wall extending from an end surface of the base. The wall is narrower than the base, and the base and wall define a shoulder where they intersect. A plurality of pockets are formed in the shoulder and extend axially into the base from the shoulder. A plurality of grooves are formed in the wall above the pockets, there being one groove for each pocket. A slide member (such as a roller) and a resilient member (such as a coiled spring) are received in each pocket. The slide member is slidable axially in the pocket, and the spring member urges said slide member toward the mouth of the pocket.Type: ApplicationFiled: December 27, 2001Publication date: July 3, 2003Applicant: The Timkin CompanyInventor: Xiaolan Ai
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Patent number: 6581664Abstract: An articulated-arm awning having at least two articulated arms, each incorporating an inner and outer articulated arm section that are connected to one another by a joint having a substantially vertical swiveling axis. The outer articulated arm section of each articulated arm is connected in the region of its outer end to a dropout profile by a joint having a substantially vertical swiveling axis. The inner end of each inner articulated arm section that is located on the bearing side is connected to a bearing on the building side by a joint having a substantially vertical swiveling axis. A tilting joint around a horizontal swiveling axis is provided on each articulated arm.Type: GrantFiled: July 23, 2001Date of Patent: June 24, 2003Assignee: Schmitz-Werke GmbH & Co.Inventors: Sven Kröner, Luise Schniggendiller
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Patent number: 6557683Abstract: A face clutch coupling device between rotating members comprises a first clutch element and a second clutch element which have face teeth and are movable relative to one another between a disengagement position and an engagement position in which the rotating members are coupled for rotation with one another. The device also comprises braking members which are associated with the clutch elements and by virtue of which, when there is relative motion between the rotating members, a preliminary driving interaction of the rotating members is brought about in the engagement position.Type: GrantFiled: January 24, 2001Date of Patent: May 6, 2003Assignee: Carraro S.p.A.Inventors: Giancarlo Geremia, Luciano Malvestio, Lucio Pinturi
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Patent number: 6253824Abstract: An operator (10) for moving in upward and downward directions a sectional door (D) having a counterbalancing system (30) including a drive tube (31) interconnected with the door including, a reversible motor (40), a drive shaft (50) selectively driven in two directions by the motor, a drive gear (61) freely rotatably mounted on the drive shaft, a driven gear (65) mounted on the drive tube and operatively engaging the drive gear, a disconnect assembly (70) having a spool (71) rotatable with the drive shaft and movable into and out of engagement with the drive gear for selectively connecting and disconnecting the motor and the drive tube, and an actuating mechanism (80) normally maintaining said spool in engagement with the drive gear and biasing the spool out of engagement with the drive gear when released to permit independent movement of the door.Type: GrantFiled: February 23, 1999Date of Patent: July 3, 2001Assignee: Wayne-Dalton Corp.Inventors: Willis J. Mullet, Kelly R. Green, Harry E. Asbury
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Patent number: 6206162Abstract: A dog clutch for a power tool such as a chain saw for engagement and disengagement of the motor from the cutting tool comprising a first gear (32) mounted on and attached to a rotatable spindle (34), a second gear (36) rotatably mounted adjacent the first gear (32), and an engaging mechanisn (38) such as a cam ring. The second gear (36) is rotatably mounted on and axially slidable along the spindle and is biased preferably by a helical spring towards the first gear (32). The engaging mechanism (38) is rotatably mounted adjacent to and preferably about the second gear (36) in an axially slidable manner along the longitudinal axis of the spindle (34). The engaging mechanism (38) is configured so that rotational movement of the engaging mechanism (38) translates into an axial sliding movement. Rotational movement of the engaging mechanism moves the second gear (36) into and out of driving engagement with the first gear (32) depending on the direction of rotation.Type: GrantFiled: March 3, 1999Date of Patent: March 27, 2001Assignee: Black & Decker, Inc.Inventors: Kevin Stones, Martyn Riley