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| Number | Title | Issue Date |
| 8137204 | Torque limiter A torque limiter includes a driving bushing, a clutch spring wound around an outer circumference of the driving bushing, and a housing receiving a driving force via the clutch spring. The housing includes a first catch portion engaged with a first end portion of the... | 03/20/2012 |
| 7318776 | Torque limiter A spring-loaded torque limiter includes an annular outer member, an inner ring rotatably inserted in the annular outer member, a coil spring fitted on the radially outer surface of the inner ring, and a lid member fitted between the inner ring and the annular outer ... | 01/15/2008 |
| 7198265 | Imaging apparatus including a movable media sensor An imaging apparatus includes a printing mechanism having a media path. A print media source is provided for supplying a sheet of print media to the printing mechanism. A drive unit is provided, with a drive shaft coupled to the drive unit. A media sensor device is ... | 04/03/2007 |
| 7121948 | Sliding clutch for a device for transferring a film from a backing tape A sliding clutch for torsion-limiting force transmission between a reel and a rotating part includes two bearing members disposed concentrically within one another. One of the bearing elements is formed by a circular bearing sleeve which is radially resiliently defo... | 10/17/2006 |
| 7070033 | Flexible coupling with misalignment compensation A flexible coupling assembly interconnects an output shaft and an input shaft. The flexible coupling assembly includes a first hub operatively coupled to the input shaft for rotation therewith. A second hub is operatively coupled to the output shaft for rotation the... | 07/04/2006 |
| 6974386 | Motor drive system with wire-wound flexible coupling A motor drive system includes a motor having a rotary motor output shaft, a driven component, and a flexible coupling connecting the motor output shaft to the driven component. The flexible coupling is a helix formed of a first wound wire. The helix has a helix unbo... | 12/13/2005 |
| 6937932 | Detecting the clutch state during engine drag torque regulation A method and a device for detecting the clutch state in a motor vehicle, in particular during engine drag torque regulation, is described. A particularly simple and cost-effective method of detecting the clutch state is made possible by determining the engine speed ... | 08/30/2005 |
| 6932511 | Damped drawer slide mechanism A slide mechanism includes first and second rails connected for relative sliding movement with respect to each other. A damper mechanism is secured to one of the rails and can be connected to and disconnected from the other of the rails to provide a damping effect f... | 08/23/2005 |
| 6866588 | One-way damper A damper includes a housing and a rotor. A portion of the rotor extends outwardly of the housing and has a gear rotatably disposed thereon. A coil spring encircles the portion of the rotor, and has an end segment secured to the gear. Rotation of the gear in one dire... | 03/15/2005 |
| 6074301 | Power transmission mechanism An improved apparatus for transmitting a rotational power from a pulley to a drive shaft of a compressor is disclosed. A coil spring is mounted on the drive shaft to absorb a load applied to the drive shaft when power is transmitted. The coil spring is ar... | 06/13/2000 |
| 6059086 | Drive device A drive device for a control member which is driven by a motor in two directions has a freewheel clutch which is in the form of a wrap spring wound around a shaft. An end region of the wrap spring has at least one winding whose diameter is larger than the... | 05/09/2000 |
| 6019708 | Torque limiting ratchet for bicycle mounting exercising device A torque limiting ratchet mechanism disposed within a crank handle. The ratcheting mechanism includes a ratchet disk having inner projecting portions which engage a shaft for rotational purposes, and resilient outwardly projecting portions which are engag... | 02/01/2000 |
| 5931438 | Displacement adjustment device A displacement adjustment device (100) for at least partly converting a rotation into a translation, comprising: a rotation input member (114) which is bearing-mounted so as to be rotatable but axially secured relative to a frame said rotation input membe... | 08/03/1999 |
| 5788014 | Motor mechanism for child's swing A spring motor mechanism for use with a child's swing that includes a spring attached to a slip clutch device to prevent the spring from becoming over wound. In addition, the spring motor mechanism includes an indicator for revealing, based upon the amoun... | 08/04/1998 |
| 5779016 | Drive transmission mechanism A sliding coupling mounted between a pair of separately rotational members, including a pair of coiled springs, which realizes no rotational delay at time of reversing a rotational direction of one of the rotational members. Each coiled spring has a proje... | 07/14/1998 |
| 5620372 | Torque limiting mechanism for two rotary members A torque limiter having an inner cylinder, an outer cylinder rotatably mounted around the inner cylinder, a closure member mounted between the outer cylinder and the inner cylinder to close one end of the outer cylinder, a coil spring mounted between the ... | 04/15/1997 |
| 5464083 | Torque limiting spring hinge A spring hinge and method of making same are disclosed. The spring hinge has a housing enclosing the spring and its associated shaft. The housing includes projections adjacent the ends of the spring such that upon rotation of the spring in either directio... | 11/07/1995 |
| 5234089 | Torque limiter A torque limiter having an outer ring, an inner ring mounted in the outer ring and a shaft inserted in the inner ring. The outer ring is formed on the inner peripheral surface thereof with a plurality of tapered surfaces. Rollers are mounted between the t... | 08/10/1993 |
| 5195721 | Fail safe valve actuator A fail safe valve actuator is disclosed that is powered by an electric motor. A valve stem with a helical groove is moved in one direction by a ball nut rotated by the electric motor to move a valve member to its operating position. The valve member is he... | 03/23/1993 |
| 5170871 | Overrunning clutch with improved spring coil and mounting of same An overrunning clutch is provided with increased torque transmitting capacity by utilizing a relatively large diameter spring wire whose end turns have their radial peripheries ground down to weaken the end turns proximate to the free end of the spring. P... | 12/15/1992 |
| 5156573 | Serpentine drive with coil spring-one-way clutch alternator connection A serpentine belt drive system for an automotive vehicle in which the sequence of driven assemblies includes an alternator assembly comprising a housing and an armature assembly mounted in the housing for rotation about an armature axis. A hub structure i... | 10/20/1992 |
| 4917168 | Angle-controlling device for a venetian blind A venetian blind includes a superposed series of horizontal slats suspended one above another, a bottom rail disposed below the slats, and two angle-controlling devices disposed at two end portions of the series of slats. Each of the angle-controlling dev... | 04/17/1990 |
| 4832656 | Power roll conveyor with adjustable torque sensitive coupling A powered conveyor roller having a frictional coupling inside the roller drivingly connecting the roller to a drive shaft extending actually through the roller. The coupling includes a flat spring wrapped around the shaft to form a frictional engagement w... | 05/23/1989 |
| 4653041 | Record disk drive A record disk drive is disclosed which includes a rotating drive shaft and means for receiving a record disk. A torque-transmitting helical spring clutch drivingly interconnects the shaft and the disk. The clutch includes a first coil portion which is in ... | 03/24/1987 |
| 4627461 | Self cleaning valve A self-cleaning valve has its closure member rotated against a valve seat during closing, by an externally threaded spindle rotated by an actuator. The spindle has a threaded portion screwed through an internally threaded collar which is pressed by a spri... | 12/09/1986 |
| 4527683 | Torque limiting coil clutch and automatic slack adjuster utilizing same An improved two-way torque limiting coupling (10) of the type utilizing a single helical coil clutch (18) and an automatic slack adjuster utilizing same is provided. The coupling provides a driving connection between a first (12) and a second (14) rotatab... | 07/09/1985 |
| 4353226 | Adjustable torsion-spring slipping clutch An adjustable torsion-spring slipping clutch, especially useful for tape recorders, having first and second coaxial clutch sections which are rotatable about an axis of rotation. The second clutch section includes a sleeve which has a substantially circul... | 10/12/1982 |
| 4280606 | Torque limiting device Torque limiting device of simple 3-piece construction which reliably automatically disengages the driving and driven members when the latter is subjected to a predetermined overload. Device comprises a pair of cooperating coupling members which respective... | 07/28/1981 |
| 4258556 | Torsion spring clutch A torsion spring clutch having coaxial clutch sections rotatable relative to each other, connected by a helical torsion spring which frictionally engages a conical portion of one of the clutch sections. A mounting portion is rotatable with respect to guid... | 03/31/1981 |
| 4250984 | Electromotor driven regulating arrangement, especially for regulating the speed of a motor vehicle An electromotor driven regulating arrangement, especially for regulating the speed of a motor vehicle, comprises an input shaft rotatable in one and in the opposite direction by a reversible electric motor, an output shaft adapted to be connected to a mem... | 02/17/1981 |
| 4243129 | Device for tightening a screw joint A device for tightening screw joints, comprising a motor, a torque responsive slip clutch and an output shaft, said slip clutch comprising a coil-type friction spring which by one of its ends positively engages one of the clutch halves and which, due to t... | 01/06/1981 |
| 4235419 | Storing device for a cable fixed on either of its ends A cable storage device having an operating pulley which is driven by a spring for retraction of cable which is payed out from the device is provided with a friction clutch interconnecting the spring and the pulley so that the clutch slips when the spring ... | 11/25/1980 |
| 4194605 | Motor vehicle window regulator This invention relates to a motorized window regulator for motor vehicles, which regulator is provided with a torque limiting mechanism of particularly advantageous construction and operation. According to the invention, a motor transmits motion to the wi... | 03/25/1980 |
| 4123197 | Fan with air directing grille A clutch mechanism suitable for connecting a rotatable member to an output shaft of a motor, which mechanism comprises a body which is attachable to the output shaft and a resilient arm, one end of which is fixed to the body the other end of which is capa... | 10/31/1978 |
| 4103516 | Limited torque drive roller A rotatable member is mounted through substantially normal bearing structure onto a shaft in rotating relationship therewith. A torque limiting drive device, such as a spirally coiled spring, is fitted between the rotatable member and the shaft for permit... | 08/01/1978 |
| 4090785 | Low noise blower clutch Disclosed is a blower assembly for use in dispersing heat from an image projector with minimum air flow noise by interposing a constant torque clutch formed of a dual wound spring between the blower and a motor output drive to permit the rate of rotation ... | 05/23/1978 |
| 4088210 | Clutches with brake for implements A coil spring clutch connects a driving hub to a driven sleeve rotatable on the hub and the sleeve drives an output or second driven member through a torque limiting clutch. The spring is readily declutched by arresting rotation of its leading end, as by ... | 05/09/1978 |
| 3956905 | Clutch An adjustable torque-limiting coupling, or clutch, consisting of a driving member, a driven member, and a coupling assembly comprising a tapered helical spring and means for adjusting the position of the spring.... | 05/18/1976 |
| 3955662 | Torque limiting wrench A power tool having an adjustable torque-limiting coupling and a shut-off means, the coupling (or clutch) consisting of a driving member, a co-axial driven member and a coupling assembly comprising a tapered helical spring and means for adjusting the posi... | 05/11/1976 |
