Including Means To Receive Radially Spaced Axially Extending Projection On Drive And Driven Members Patents (Class 464/93)
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Patent number: 6203434Abstract: A joint for the angularly movable connection of two shafts with one another has flanges which are arranged on the shaft ends. Each of the flanges has three axially projecting driving pins which are connected with a hexagonal, elastically deformable joint ring. The joint ring, in turn, is formed in several parts by a collar of chain-link-type driving loops which can be swivelled on sockets at the corner points of the joint ring. For relieving the driving loops, one linear compression bar is also arranged in the interior of each driving loop. The compression bar has faces placed onto the sockets while transmitting force under load. The effective length of the compression bars is dimensioned such that the bars fill the clear space between two adjacent sockets only with play. The play is large enough so that the compression bars are placed in contact only after a defined basic load has been exceeded so that as the result of the load, the driving loops are elastically stretched to a defined degree.Type: GrantFiled: May 18, 1998Date of Patent: March 20, 2001Assignee: DaimlerChrysler AGInventor: Hartmut Albers
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Patent number: 6203436Abstract: A universal joint with flanges located at the ends of two shafts connected by the joint includes three driving tabs projecting axially from the respective flanges. Each of the total of six driving tabs being located opposite a gap located uniformly on the circumference of a common partial circle. These tabs are connected with one another by means of a hexagonal axially elastically deformable joint ring provided with sockets at the corner points. The joint ring in turn is formed in a multipartite fashion by a ring of several driving loops that are endless, oval, and each wrapped around two adjacent sockets, said loops preferably being made of endless-fiber-reinforced plastic.Type: GrantFiled: September 4, 1998Date of Patent: March 20, 2001Assignee: DaimlerChrysler AGInventors: Hartmut Albers, Karl-Heinz Ilzhoefer
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Patent number: 6190259Abstract: A steering joint device for a car comprises a first universal joint coupled to a steering shaft, a second universal joint connected to the steering gear device side, and an anti-vibration device connected between the first universal joint and the second universal joint.Type: GrantFiled: October 9, 1998Date of Patent: February 20, 2001Assignee: NSK Ltd.Inventor: Kiyoharu Higashino
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Patent number: 6179716Abstract: The present invention provides an eccentric shaft coupling having a high durability, capable of dealing with a great torque load and transmitting correctly rotational movement. Two pairs of protrusions of cylindrical boss flanges secured to extremities of two rotating shafts are linked through an intermediate disk with phases shifted by 90° from each other. The intermediate disk is made of a material having a satisfactory strength and rigidity. Each of the two pairs of protrusions is put slidably between plane portions of two liners, each having a partial cylindrical shape, whose cross section is enclosed by an arc and a secant, inserted dismountably into a cylindrical cavity along inner walls to be guided. Only the liners, each having a partial cylindrical shape, whose cross section is enclosed by an arc and a secant, are subjected to strong wear and therefore, when they are worn, they can be easily exchanged.Type: GrantFiled: October 21, 1998Date of Patent: January 30, 2001Assignee: Asa Electronic Industry Co., Ltd.Inventor: Yukihiro Asa
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Patent number: 6176784Abstract: A cardan-type joint has flanges which are arranged on mutually facing shaft ends and preferably have three axially projecting driving pins, respectively, which are mutually staggered and uniformly arranged on the circumference of a common graduated circle. The driving pins are connected with one another in a torsion-proof manner by a flexible joint ring which is provided in corner points with sockets for the driving pins. The multi-part joint ring is formed by a collar of several oval driving loops. Each of the driving loops winds around two adjacent sockets. In order to easily permit relatively large bending angles during rotation, even in the event of a high mechanical and thermal loading of the cardan-type joint, the oval driving loops are indirectly or directly swivellably disposed on the driving pins by a pair of contact surfaces which are round in a meridian section in an axially slidable manner on the socket or on the driving loop.Type: GrantFiled: May 18, 1998Date of Patent: January 23, 2001Assignee: DaimlerChrysler AGInventor: Hartmut Albers
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Patent number: 6068555Abstract: A flexible disc is arranged between first and second flanges each designed to be secured to a shaft, the flexible disc being alternately fixed at angular spacings to one each of the flanges. A torsional vibration suppressor is associated with one of the two flanges and has a suppressor collar integrally formed with the flange, a gyrating mass, and a rubber spring suspension system which is secured by vulcanization to the suppressor collar and the gyrating mass. A centering device having a centering collar formed integrally with the flange, a centering body rigidly connected to the other flange, and a rubber spring suspension system secured by vulcanization to the centering collar, is provided for mutually centering the two shafts. This obviates the need for expensive fits or matches and facilitates the assembly of the shaft coupling.Type: GrantFiled: February 20, 1998Date of Patent: May 30, 2000Assignee: SGF Suddeutsche Gelenkscheibenfabrik GmbH & Co. KGInventors: Rainer Andra, Wilfried Schneider
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Patent number: 5988931Abstract: A motor and generator coupling device including a coupler having a generally cylindrical configuration. The coupler has an inner end and an outer end. The outer end has three studs extending outwardly therefrom. The three studs are dimensioned and are aligned for extending within three holes within a drive disc hub of a generator. A circular flange is secured to an outer wall of the generator and is disposed over the inner end of the coupler. A hydraulic motor is secured to the circular flange in communication with the generator.Type: GrantFiled: December 4, 1997Date of Patent: November 23, 1999Assignee: James L. OtwellInventor: James L. Otwell
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Patent number: 5976662Abstract: A joint disc made of a fiber composite material with a plurality of flexible leaf elements and a plurality of angular fixing elements which are composed of laminations of fiber composite material, with the leaf elements, at each of their ends, having an increasing thickness extending at least over 10% of their length.Type: GrantFiled: February 20, 1998Date of Patent: November 2, 1999Assignee: GKN Automotive AGInventors: Andrew Pollard, Russel Osborn, Wolfgang Lobel, Ludger Schachtrup
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Patent number: 5964662Abstract: A coupling device is provided with two flanges and a resilient annular member disposed between facing surfaces of the flanges. The resilient annular member is provided with a central opening through which a metallic spring is disposed to exert a resistive force against compression of the resilient annular member between the two flanges. The device is particularly well suited for use in a marine propulsion system because of the propulsive force exerted on the shaft system by the propeller. In one particularly preferred arrangement, each of the two flanges is provided with three holes, and the resilient annular member is provided with six holes. The two flanges are offset rotationally to place each of the holes of one flange in alignment with an interstitial space between the holes of the other flange.Type: GrantFiled: December 11, 1997Date of Patent: October 12, 1999Assignee: Brunswick CorporationInventors: James M. Horak, Brian D. Simpson
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Patent number: 5943913Abstract: A rotatable apparatus includes a pair of rotatable members joined by a stress dissipating structure. The stress dissipating structure can be employed in a gear, sprocket, clutch or the like. In one aspect of the present invention, the stress dissipating structure includes an elastomeric material and a web which radially extend outward from the hub. In another aspect of the present invention, the stress dissipating structure includes a plurality of rotationally flexible spoke-like structures radially extending between the rim and the hub. In a further aspect of the present invention, corrugated spokes are used. An additional aspect of the present invention provides a stress dissipating structure employing various anti-buckling plate configurations. In still another preferred aspect of the present invention, the stress dissipating structure includes a plurality of rotatably deformable formations. Furthermore, the present invention provides a compressible washer stress reduction structure.Type: GrantFiled: December 1, 1997Date of Patent: August 31, 1999Inventor: Paul J. Fenelon
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Patent number: 5941776Abstract: A steering system for a passenger motor vehicle has a lower steering spindle. A rubber-elastic damping block is provided as a damping device, and one or more guide members which project freely along the spindle axis is assigned to each respective spindle part. The guide members of the opposite spindle parts are axially slidably in opposite directions disposed in corresponding guide receiving devices of the damping block. The axial displaceability of the guide members is limited within the guide receiving devices by axial securing devices assigned to each spindle part.Type: GrantFiled: August 25, 1997Date of Patent: August 24, 1999Assignee: Daimler-Benz AktiengesellschaftInventor: Thomas Kambies
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Patent number: 5928083Abstract: In accordance with the teachings of the present invention, a flexible coupling assembly installed between a driving member and a driven machine or device. The flexible coupling assembly includes a one-way over-running clutch mechanism incorporated therein and transfers torque from the driving member to the driven device, while compensating for any angular and offset misalignment between two coupling members. The clutch mechanism provides driving torque in one rotational direction and over-running capability in the other, thereby accommodating large torque fluctuations from the driving member. This clutch mechanism is integrated within an intermediate housing assembly that is easily coupled between two jaw-type shaft couplings. Because the present invention eliminates the need for an intermediate shaft between the flexible coupling and a separate clutch mechanism, it further simplifies the installation of the assembly while reducing the overall space required.Type: GrantFiled: October 9, 1997Date of Patent: July 27, 1999Assignee: NTN CorporationInventors: Russell E. Monahan, Thomas W. Houtman, Thomas E. Vesbit, Randall K. King, Mark D. Solvie
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Patent number: 5921866Abstract: An elastic coupling with axial and angular movement for connecting two rotating machine parts (3, 4), comprises at least one elastic coupling part (2, 2') and at least one torsionally-rigid all-steel coupling part (1). Hitherto known couplings of this type, have the disadvantage that their elastic coupling elements are also expected to compensate for angular and/or radial offset, which leads to excessive loads. By contrast, the coupling according to the invention provides for the elastic coupling part (2) on the one machine part (3) being torsionable, and in relation to the latter's axis of rotation, radially rigidly-guided, while the torsionally-rigid coupling part (1) is connected to the elastic coupling part (2) and the other machine part (4) in a way that allows axial and angular movement in each case.Type: GrantFiled: April 7, 1997Date of Patent: July 13, 1999Assignee: ATEC-Weiss GmbH & Co.Inventor: Rudolf Weiss
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Patent number: 5907970Abstract: A take-off power package system (TOPPS) designed to allow a number of tool packages to be quickly and positively connected to a prime mover package. The prime mover package comprises an internal combustion engine (ICE) which is mounted to a lightweight, tubular steel or aluminum frame. A flexible, quick-connect coupling is mounted directly to the engine crankshaft for mating with a coupling on the drive shaft of a selected driven tool package. Two clamps, and a plate and pin alignment system are provided on the drive shaft side of the frame for positively securing the selected tool package to the prime mover package. An auxiliary fuel tank may also be mounted to the prime mover package to extend the operating time of the engine. The tool packages house a number of shaft driven implements, including hydraulic pumps, electric generators, air compressors, etc. As with the prime mover package, the tool packages also include a lightweight, tubular steel or aluminum frame for mounting the particular implement.Type: GrantFiled: October 15, 1997Date of Patent: June 1, 1999Inventors: Bradley J. Havlovick, Terrance A. Toomey
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Patent number: 5700198Abstract: An elastic coupling for connection between two shafts, driving and driven, to transmit power from one to the other shaft, comprising a disc having a central hole formed therein; a plurality of cylindrical members for connection to a driving shaft, disposed equidistantly from each other on a circle concentrical to the disc; and a plurality of other cylindrical members for connection to a driven shaft, disposed as regularly spaced on the circle on which the first cylindrical members are disposed, the first and second cylindrical members being laid alternately as regularly spaced from one another, the cylindrical members being surrounded at the circumference thereof each by an elastic member of rubber, adjacent ones of the elastic members being coupled to each other by means of the disc.Type: GrantFiled: January 30, 1995Date of Patent: December 23, 1997Assignee: Bridgestone CorporationInventor: Kazuya Takano
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Patent number: 5692958Abstract: A damping mechanism used in a driving shaft. Some metal sleeves that enclose tubes having annular flanges on the two ends thereof so that when the damping mechanism withstands an external impact the metal sleeve can only have a limited deflection, therefore preventing damage to the damping mechanism. Thus the damping mechanism has the advantage of a prolonged service life.Type: GrantFiled: November 19, 1996Date of Patent: December 2, 1997Inventor: Chin Fu Tseng
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Patent number: 5662200Abstract: The present invention generally relates to a clutch disc with an elastic connection between the carrier plate and the hub. The elastic connection is in the form of elastic elements, which elastic elements are fastened parallel to the axis of rotation by rivets.Type: GrantFiled: July 7, 1995Date of Patent: September 2, 1997Assignee: Fichtel & Sachs AGInventors: Klaus Memmel, Gunter Wawrzik, Winfried Sturmer, Harald Jeppe
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Patent number: 5657525Abstract: A flexible coupling of the type having hubs secured to aligned shafts and connected to one another through the use of a flexible belt surrounding the hubs is improved by forming axial and circumferential grooves on the exterior surface of the belt, each circumferential groove lying transverse to and opening into an axial groove. A cooperating metal retainer ring has respective pins formed on its interior surface for insertion into the axial grooves. After a test for gross misalignment has been satisfied, the respective pins are rotated into the circumferential grooves, thereby fixing the retainer ring in position with respect to the flexible belt and coupling.Type: GrantFiled: October 12, 1995Date of Patent: August 19, 1997Inventors: Raymond Earl Hoyt, III, Jerry L. Hauck, Tom Artunian
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Patent number: 5597261Abstract: There is provided a coupling joint for coupling a shaft (23) to a rotary axis (25a) of a rotary angle sensor (25) mounted on a valve body. The coupling joint includes an engagement recess portion (40) formed on the shaft, a coupling member (41) engageable with the engagement recess portion, and a projection (42) formed on the rotary shaft for engagement with an angular hole (45) of the coupling member. Also, the coupling member is constructed by a pair of first opposing sides (43) and a pair of second, wave-form or zig-zag opposing sides (44) forming a configuration having an angular opening. The pair of first sides are formed to fit into the engagement recess portion of the shaft. The projection fits between the pair of second sides.Type: GrantFiled: May 31, 1995Date of Patent: January 28, 1997Assignee: Kabushiki Kaisha Komatsu SeisakushoInventor: Seita Hayashi
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Patent number: 5562545Abstract: The axis of rotation of a disc body made of rubber-elastic material is surrounded by a plurality of mutually spaced bushings and loop sets consisting of string loops which are wrapped around the bushings in pairs. Supporting rings are slipped axially on the bushings to hold the loop sets together axially. The supporting rings each comprise an annular disc having teeth which project radially inwardly and anchor firmly on the corresponding bushing. In this manner the greatest possible space in axial direction of the bushings is saved for installation of the loop sets, at a given overall thickness of the flexible disc.Type: GrantFiled: October 11, 1994Date of Patent: October 8, 1996Assignee: SGF Suddeutsche Gelenkscheibenfabrik GmbH & Co. KGInventors: Werner Wahling, Georg Maierbacher
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Patent number: 5540621Abstract: To couple a driving shaft of a machine to a driven shaft, a coupling assembly is mounted to the driving and driven shafts and includes a flexible coupling element. The flexible coupling element includes a plurality of first fasteners adapted to be connected to the driving shaft and a plurality of second fasteners adapted to be connected to the driven shaft. A plurality of fibers connects different ones of the first fasteners to different ones of the second fasteners so that the first fasteners applies force to the second fasteners to transmit torque. The filaments or fibers are looped around the fasteners and the coupling element has a thickness in the range of 1 percent to 10 percent of its diameter.Type: GrantFiled: June 18, 1990Date of Patent: July 30, 1996Assignee: Addax, Inc.Inventors: Louis J. Keester, Brian E. Spencer, Barry J. Larson, Duane V. Byerly
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Patent number: 5514038Abstract: A flexible coupling has an inner member and a resilient body mounted on the hub and connected thereto. A reinforcement ring is embedded within the resilient body. The ring has arcuately spaced tubes with tapered rubber liners. Fasteners for connecting the coupling to the flywheel are locatable within the rubber liners. The taper causes the fixing to induce a precompression in the rubber tubes when the coupling is assembled and fitted in place. The coupling minimizes backlash, provides extra torsional flexibility and permits blind assembly.Type: GrantFiled: August 23, 1993Date of Patent: May 7, 1996Assignee: Holset Engineering Company, Ltd.Inventor: Graham E. Harpin
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Patent number: 5387156Abstract: An elastic coupling includes a flange with wings extending radially outwardly from the center of a main body. Bushes arranged between the wings have outer surfaces radially outwardly of the outer ends of the wings. Elastic rubbers connect the wings and the bushes. A round housing having a bottom compresses the bushes. The inner radius of the housing is larger than the radius of the wings, but smaller than the radii of the bushes. The elastic rubbers are compressed by compressively inserting the main body into the housing.Type: GrantFiled: May 19, 1993Date of Patent: February 7, 1995Assignee: Bridgestone CorporationInventor: Kenichi Naito
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Patent number: 5338259Abstract: A resilient shaft coupling element made of fiber composite material layers, preferably with the layers of fibers oriented differently, is in the form of a polygonal ring having attachment holes for alternately receiving bolts, pins, etc. for two axially adjoining shaft connectors. The polygonal ring comprises thin straight webs connected by adjoining thick reinforced eyes. The reinforced eye has attachment holes centered radially inwardly from the intersections of the longitudinal center axes of the straight webs in the reinforced eye adjoining the webs.Type: GrantFiled: October 22, 1991Date of Patent: August 16, 1994Assignee: Lohr & Bromkamp GmbHInventor: Wolfgang Lobel
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Patent number: 5335995Abstract: A detector for detecting hot wheels or bearings on a railroad car includes an infrared sensor supported within a detector by a sensor housing. Elastic balls are disposed in the housing to absorb shocks generated by a train passing the detector.Type: GrantFiled: July 16, 1993Date of Patent: August 9, 1994Assignee: Servo Corporation of AmericaInventor: Luis F. Villar
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Patent number: 5330387Abstract: In an elastic coupling including first fixtures, second fixtures, a reinforcing member in a loop-like shape and an elastic covering member, the reinforcing member is made by connecting one longitudinal end and the other longitudinal end of a stranded wire. The stranded wire is formed by twisting the appropriate number of metallic wires. Since the metallic wires do not shrink by heat, the metallic wires do not shrink during the vulcanization. Thus, the variety of the spring constant of the elastic coupling can be reduced. Also, since the metallic wires are very strong, the number of winding the stranded wire around the first fixtures and the second fixtures can be reduced and therefore the size of the elastic coupling can be prevented from increasing.Type: GrantFiled: October 21, 1993Date of Patent: July 19, 1994Assignee: Tokai Rubber Industries, Ltd.Inventor: Shinji Miyakawa
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Patent number: 5295912Abstract: A resilient shaft coupling includes a annular member constructed of a hexagonal resilient joint disc and at least one attaching element which includes a plurality of flange arms. The resilient joint disc includes attaching regions at its corners provided with axial connecting element bores. The straight sides of the joint disc are provided with thin web regions which permit elastic deformation.Type: GrantFiled: October 22, 1991Date of Patent: March 22, 1994Assignee: GKN Automotive AGInventors: Karl-Heinz Muller, Werner Hoffmann
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Patent number: 5286231Abstract: A flexible member for coupling a driving member to a driven member is an elastomer element formed with a plurality of integrally formed segments of tapering cross sectional area and is provided at the intersections of the segments with connecting elements for connecting the flexible member to the driving and driven members; the connecting element is formed in a manner that prevents rotation of the elastomer member relative to each point of connection; the segments of the flexible member are shaped in such a manner to maximize resistance to deformation under the influence of torque loading and misalignment.Type: GrantFiled: March 26, 1992Date of Patent: February 15, 1994Assignee: Kop-Flex, Inc.Inventors: Jossef Zilberman, Robert E. Munyon, Sujen Chen
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Patent number: 5222913Abstract: A resilient connector for a steering shaft connecting a wheel steering system and a steering handle, comprises a flange member connected to a first shaft member extending from the wheel steering system, particularly in such a manner that it can be shifted axially but not rotated with respect to the first shaft member; a yoke member connected through a universal joint to a second shaft member extending from the steering handle; a resilient member arranged between the flange member and the yoke member; a first connecting member for connecting the flange member to the resilient member; and a second connecting member for connecting the yoke member to the resilient member. Vibration from the wheel steering system is prevented from being transmitted to the steering handle by the resilient member, and the resilient member permits an axial movement of the first shaft member during a collision.Type: GrantFiled: September 2, 1992Date of Patent: June 29, 1993Assignee: Nippon Seiko Kabushiki KaishaInventor: Toshiyuki Nagashima
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Patent number: 5195930Abstract: A self-balanced drive shaft assembly comprises a cylindrical shaft having an axially extending cylindrical bore formed therein; a small amount of liquid contained in the bore of the cylindrical shaft, the liquid being movable in the bore in response to movement of the shaft; and two joints operatively connected to axially opposed ends of the shaft respectively. At least one of the joints permits a pivotal movement of the shaft about a pivot point defined by the other joint.Type: GrantFiled: November 29, 1990Date of Patent: March 23, 1993Assignee: Nissan Motor Co., Ltd.Inventors: Yoshinori Hirano, Hiroshi Okuzumi
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Patent number: 5163876Abstract: A flexible coupling element used in a flexible coupling for interfacing a drive shaft and a driven shaft and for transmitting torque therebetween while accommodating angular misalignment; the flexible coupling may be offset-link type or single disc type, both types incorporating a composite fiber wound around drive-bushings and driven-bushings in a winding pattern; the flexible coupling element being formed by compression and heat cured so that the runs connecting each bushing taper to a point midway between adjacent bushings.Type: GrantFiled: July 30, 1990Date of Patent: November 17, 1992Assignee: Kop-Flex, Inc.Inventors: Jossef Zilberman, Daniel W. Burgess, Richard A. Kuchera, Robert E. Munyon
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Patent number: 5152718Abstract: An intermediate shaft assembly including a first shaft element coupled to a center shaft element for rotation therewith and longitudinal bodily shiftable movement relative thereto, an elastomeric ring around the center shaft element, a second shaft element having a midsection around the center shaft element, attaching lugs on the center and the second shaft elements each connected to the elastomeric ring whereby a torque path is defined between the first and the second shaft elements through the elastomeric ring, and an elastomeric bushing between the center shaft element and the midsection of the second shaft element for reinforcing the intermediate shaft assembly against beam bending.Type: GrantFiled: September 3, 1991Date of Patent: October 6, 1992Assignee: General Motors CorporationInventor: Dale E. Confer
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Patent number: 5103690Abstract: An all wheel drive system for a motor vehicle is normally set up to operate in a two wheel drive mode except in vehicle operating situations where increased traction is desired. A drive shaft of a drive line is connected to front and rear axles through respective speed adjusters. A front speed adjuster provides for transmitting a rotational speed to the front drive axle that is slower than a rotational speed transmitted by the rear speed adjuster to the rear drive axle. At least one overrunning clutch is interposed in the drive line to a pair of front drive wheels for permitting the front drive wheels to be rotated out of engagement with the drive line by motion of the vehicle.Type: GrantFiled: May 30, 1990Date of Patent: April 14, 1992Inventors: Roger Macpherson, Peter R. Geib
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Patent number: 5033988Abstract: A reversible endless belt rotary coupling particularly suited for use in connecting a drive shaft and driven shaft permitting the driven shaft to rotate in either, rotational direction and to rotate about an axis that may be angularly misaligned with respect to the rotational axis of the drive shaft. The coupling includes a series of preloaded endless belts embedded in an elastomer matrix material, arranged tangentially with respect to the connected shafts and connected thereto by bobbin-like spools at the ends of the belts. The endless belts are axially stiff to accommodate tensile and compression loads and are flexibly and torsionally soft to accommodate the motion while transferring torque between the drive and driven shaft.Type: GrantFiled: March 7, 1989Date of Patent: July 23, 1991Assignee: Lord CorporationInventors: Dennis P. McGuire, J. Brian Watson
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Patent number: 4929115Abstract: A resilient shaft coupling in which a rigid primary and a rigid secondary coupling member are connected together by at least one resilient annular assembly of a multi-part construction that is composed of a number of ring segments that are identical and run circumferentially in close succession. Each segment is composed of axially outer metallic segment plates and an inner rubber body that has a trapezoidal cross-sectional shape with a radially outwardly increasing width in an axial plane. In order to obtain higher thermal stressability of the shaft coupling, at least one window is provided in the rubber body of each segment. The ends of the window end in the vicinity of the radial end faces of the segment. Openings are also provided in the two segment plates of each segment and are congruent with the window in the rubber body.Type: GrantFiled: March 25, 1988Date of Patent: May 29, 1990Assignee: Hackforth GmbH & Co., KGInventors: Manfred Lunke, Ulrich Falz, Jurgen Walter
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Patent number: 4834041Abstract: A reciprocating internal combustion engine which is enclosed by a sound-insulating sheath comprises a crankshaft. A coupling which insulates against structure-borne sound is provided for coupling the crankshaft to an auxiliary drive shaft for driving auxiliary devices disposed outside said sheath. Said coupling comprises a resilient ring and axially parallel connecting screws, which are peripherally spaced apart and are secured in alternation to the crankshaft and to the drive shaft and extend through tubular spacers mounted in the ring. The drive shaft is rotatably mounted in a mounting plate, which is fixed to a crossbeam. The internal combustion engine is supported on the crossbeam by an annular member which insulates against structure-borne sound.Type: GrantFiled: October 11, 1988Date of Patent: May 30, 1989Assignee: Steyr-Daimler-Puch AktiengesellschaftInventor: Assen Valev
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Patent number: 4821589Abstract: A driver unit for a window regulator or winder for use in an automobile door, for example, includes a gear rotatably mounted on a base and having first and second shafts coaxial with each other and projecting from opposite sides of the gear, the first shaft being rotatably supported on said base, the gear having a support coaxial with the first and second shafts and a plurality of angularly spaced arms projecting radially outwardly from the support. A drum is rotatably mounted on the second shaft and has a plurality of angularly spaced cavities opening toward the support. A plurality of integrally joined dampers are disposed as pairs in the cavities, respectively, with one of the arms being interposed between the dampers in each pair. The gear is rotated by a motor mounted on the base to rotate the drum through the arms and the dampers to move a wire wound on the drum and coupled to the window glass for thereby moving the window glass in the automobile door.Type: GrantFiled: March 18, 1988Date of Patent: April 18, 1989Inventors: Ryoichi Fukumoto, Daiichi Shiraishi, Eiji Iwasaki
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Patent number: 4802881Abstract: A coupling member for taking up torque in a vehicle steering column to absorb vibration and vehicle body misalignment, the coupling member including a plastics disc with a pair of diametrically opposed bosses which protrude further from one face of the disc than from the other face, and another pair of diametrically opposed bosses which protrude further from the other face of the disc than from its one face.The disc is able to distort upon application of torque through the bosses by means of a cut-out portion between each adjacent boss. A fail-safe deflection plate can be provided on each face of the disc to react against opposed pairs of bosses in the event of high application of torque. An adaptor piece holding one end of a steering column is fitted to one face of the disc and a splined flange is secured to the other face of the disc to enable the coupling member to be secured to another steering column component.Type: GrantFiled: August 10, 1987Date of Patent: February 7, 1989Assignee: The Torrington Company Ltd.Inventor: Michael T. Hancock
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Patent number: 4790794Abstract: Flexible shaft coupling for transmission of high torque loads comprising drive side and driven side connecting elements arranged in pairs alternately and equidistantly in a circumferential orientation, endless belts of fiber cord bundles wrapping around and interlinking pairs of adjacent drive side and driven side connecting elements, and an elastomeric material embedding therein the foregoing members. Between the connecting elements and the belts there are mounted bobbin-like collars each having both terminal flanges defining a hollow of U-shaped cross-section between them, and the belts are received and held in the hollows. By the construction, disorder or relaxing in cords is not caused and loads are dispersed uniformly on the cords with the result that high torque transmission efficiency is attained.Type: GrantFiled: September 17, 1987Date of Patent: December 13, 1988Assignees: Toyo Tire & Rubber Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Masaru Takeda, Yoshihiro Nunotaki, Hiroshi Harada, Michihiro Kawada, Masahiro Ishigaki
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Patent number: 4738650Abstract: A flexible shaft coupling comprising drive side connecting elements and driven side connecting elements arranged alternately and equidistantly in an annular orientation, and coupling pieces of annular form linking mutually adjacent pairs of drive side connecting elements and driven side connecting elements, each of both connecting elements being formed of an inner sleeve, an outer sleeve and an elastic intermediate member bonding them, the coupling pieces being formed of a belt strip wrapping around the outer sleeve and an elastomeric body surrounding and covering the wrapped belt strip. The elastic intermediate member is formed as a rubber bushing press-fitted between the inner and outer sleeves and extends only in an axially middle portion of both sleeves, and adjacent to the rubber bushing, intermediate sleeves are fitted to the inner sleeve or outer sleeve. The elastic intermediate member has a compressive strain of 25-40%.Type: GrantFiled: January 21, 1986Date of Patent: April 19, 1988Assignees: Ltd. Toyo Tire & Rubber Co., Toyota Jidosya Kabushiki KaishaInventors: Yasuo Hojo, Yoshihiro Nunotaki, Hiroshi Harada, Kenji Murase, Michihiro Kawada, Masahiro Ishigaki
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Patent number: 4715780Abstract: A water pump comprises a rotary shaft having a water circulating impeller fixed to one end thereof and a rotative driving pulley fixed to the other end thereof, a housing made of resin and having an outer shell portion covering the portion of the rotary shaft between the opposite ends thereof and a mounting portion extending radially outwardly from the outer periphery of the outer shell portion which is proximate to the impeller, a plurality of rolling members disposed between the rotary shaft and the housing to enable rotation of the rotary shaft, an outer race disposed between the housing and the rolling members and providing an outer track surface for the rolling members, and seals for preventing entry of foreign substances from the axial opposite ends of the outer race.Type: GrantFiled: August 30, 1985Date of Patent: December 29, 1987Assignee: Nippon Seiko Kabushiki KaishaInventor: Yoshiro Kan
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Patent number: 4702722Abstract: A universal joint yoke is obtained from a flat blank of sheet metal whose general shape is that of a cruciate form having a circular base and two diametrically opposing small semielliptical extensions. The blank of sheet metal is pressed in a forming apparatus so that the two extensions are bent perpendicularly to the circular base in the same direction with a given angle with respect to the circular base and two ribs or contiguous rib are formed along axes of bending to prevent a springback action of the two extensions which constitute two ear portions of the finished yoke. In addition, recesses are extended along a rear surface(s) of the rib(s) so that fasteners such as bolts and nuts for fastening a rubber coupling constituting a lower joint to a lower shaft of a steering system is nestled into the respective recesses. Both ends of the circular base have holes through which the fasteners for fastening the universal joint yoke to the rubber coupling is inserted.Type: GrantFiled: February 18, 1986Date of Patent: October 27, 1987Assignee: Fuji Kiko Company, LimitedInventors: Atsushi Narue, Shigeru Saitoh, Tomoyuki Maruyama
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Patent number: 4696657Abstract: An elastic shaft coupling for transmission of torque between two shafts. The coupling includes a polygonal rubber ring and a hub spider having a plurality of radially extending arms vulcanized in the rubber ring and being adapted for connection to the end of one shaft. Fastening elements are disposed between the arms of the hub spider and are vulcanized into the rubber ring. Each fastening element is also adapted for connection to the end of the other shaft. A centering device is provided in the region of the inner circumference of the hub spider for centering the shaft coupling relative to the one shaft.Type: GrantFiled: August 8, 1985Date of Patent: September 29, 1987Assignee: Goetze AGInventors: Rolf Johnen, Hans Kirch, Volkmar Otto
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Patent number: 4634400Abstract: An improvement in shaft couplings having a flexible elastomeric center element positioned between and bonded to annular metal shoes, which increases the service life of the coupling by forming the elastomer to preferred shapes, contours and thicknesses adjacent a circumferential discontinuity of the shoes and center element.Type: GrantFiled: May 13, 1980Date of Patent: January 6, 1987Assignee: Rexnord Inc.Inventors: Neil W. Butzow, Gerald G. Lambert, Donald Tumidajewicz
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Patent number: 4617884Abstract: An apparatus and method by which possibly destructive stress of torsional vibration in a rotating crankshaft/flywheel system of a multicylinder internal combustion engine is avoided by effectively isolating the flywheel from the crankshaft for torsional vibration considerations. The flywheel and crankshaft are coupled by a resilient coupling which accommodates angular movement between the components and which has a torsional spring rate which is relatively low compared to the torsional spring rate of a conventional crankshaft/flywheel system. The coupling reduces the natural frequency of torsional vibration of the system to a frequency well below the normal operating range of the engine in terms of revolutions per minute, thereby substantially eliminating the effects of torsional vibration in the normal operating range of the engine.Type: GrantFiled: July 27, 1984Date of Patent: October 21, 1986Assignee: Charles A. AllenInventors: Charles A. Allen, Van D. Durrett
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Patent number: 4615688Abstract: The invention provides a coupling device with a first, driven member and a second member to be driven by the first member to a rotational movement. A driving plate is arranged between the two members and fixedly connected to the second member. In order to provide an angularly and centrically well defined position of the two members relative to each other, said first driven member is equipped with a centrically as well as an eccentrically arranged driving pin, the outer surfaces thereof having at least partially a conical shape. The conical parts of the surfaces engage with openings correspondingly arranged in the driving plate, which is elastically deformed upon connection of the second member to the first member.Type: GrantFiled: October 18, 1983Date of Patent: October 7, 1986Assignee: Erowa AGInventor: Rudolf Schneider
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Patent number: 4428738Abstract: A rotary coupling device comprises driving and driven elements which are rotatable about a given axis. A coupling member of elastomeric material rotatable about the aforesaid axis is interposed between such elements for imparting rotary motion therebetween. The coupling member is connected at spaced circumferential points to the driving and driven elements, respectively, and is so constructed as to have two different torque characteristics, the first being resilient in a range of torques varying from zero up to a predetermined value and the second being relatively non-yielding for torque values higher than such predetermined maximum. The imposition of torques above said predetermined value results in substantially direct drive between such elements and those below said value results in a resiliently flexible drive therebetween.Type: GrantFiled: October 2, 1981Date of Patent: January 31, 1984Assignee: Xolox CorporationInventor: Robert J. Loubier
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Patent number: 4421496Abstract: A drive coupling for connecting a drive shaft to a driven shaft, comprising a first flexible disc connected to one of the shafts, a second flexible disc, spaced-apart from the first flexible disc, two solid members each connected to at least a respective one of the flexible discs, said two solid members being located between the flexible discs in overlapping relationship with each other axially of the coupling thereby to shorten the drive coupling.Type: GrantFiled: July 16, 1982Date of Patent: December 20, 1983Inventors: Reginald S. Emerson, Norman Morris
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Patent number: 4413980Abstract: A flexible shaft coupling includes a pair of hubs connected to the shafts. Each hub has a series of peripherially spaced teeth with slots between the teeth. A grid joins the hubs and transmits torque therebetween. The grid is formed of a series of spaced, straight metal rungs held together at their ends by elastomer members.Type: GrantFiled: February 24, 1981Date of Patent: November 8, 1983Assignee: The Falk CorporationInventor: Richard G. Walloch
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Patent number: RE33249Abstract: The invention provides a coupling device with a first, driven member and a second member to be driven by the first member to a rotational movement. A driving plate is arranged between the two members and fixedly connected to the second member. In order to provide an angularly and centrically well defined position of the two members relative to each other, said first driven member is equipped with a centrically as well as an eccentrically arranged driving pin, the outer surfaces thereof having at least partially a conical shape. The conical parts of the surfaces engage with openings correspondingly arranged in the driving plate, which is elastically deformed upon connection of the second member to the first member.Type: GrantFiled: October 6, 1988Date of Patent: July 3, 1990Assignee: Erowa A.G.Inventor: Rudolf Schneider