Class 464/84 - Elements are bowed leaf springs

Subclass of Class 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
Definition: Subject matter wherein said elements have a substantial
No. of patents: 36
Last issue date: 02/18/2003

Number	Title	Issue Date
6520047	Vibration damping device A vibration damping device for a motor vehicle drive system includes a base body rotatable about an axis of rotation and a deflection mass arrangement having at least one deflection mass and a deflection path associated with the at least one deflection ma...	02/18/2003
6374698	Vibration damping device A vibration damping device for a drive system of a motor vehicle, includes a deflection mass arrangement arranged in a base body which is rotatable about an axis of rotation (A). The deflection mass arrangement includes at least one deflection mass and a ...	04/23/2002
6171192	Flywheel assembly employing a damper mechanism having an annular chamber filled with a dry lubricant A viscous damper mechanism 5 includes first and second input plates 18 and 19, a driven member 30, a spring chamber 17 and a undulated plate spring 23. The spring chamber is formed between the first and second input plates 18 and 19 and the driven member ...	01/09/2001
6109134	Torsional vibration damper with rolling bodies as coupling A torsional vibration damper with a plurality of transmission elements which are rotatable relative to one another about a common axis of rotation. The relative movement of the transmission elements carried out by the deflection of coupling elements which...	08/29/2000
5992257	Power tool with mode change switch A mode change switch for a power tool, which switch is moveable between at least two positions corresponding to different operating modes of the tool in which different components of the tool are brought into a meshing engagement. The switch comprises a m...	11/30/1999
5988589	Air valve assembly including split-shaft and seal arrangement An air valve assembly for use with a premixer for a gas turbine engine module. The air valve assembly includes a valve disk and a support plate having a valve aperture in which the valve disk is disposed for rotation, the support plate having aligned firs...	11/23/1999
5810668	Torsional shock isolated fuel pump drive gear assembly A fuel pump drive gear assembly is provided which includes torsional absorption elements positioned between a drive gear and a fuel pump hub. The drive gear includes a plurality of apertures for receiving a plurality of projections formed on the fuel pump...	09/22/1998
5803441	Damper mechanism with undulated ribbon-like spring having means for restricting radial movement of the spring To reduce a frictional resistance generated between undulated ribbon-like springs and outer circumferential walls, a flywheel assembly is composed of a first flywheel 1, a second flywheel 3 and ribbon-like springs 18. A fluid chamber 17 is formed between ...	09/08/1998
5787755	Motorized reduction gear intended in particular for a vehicle electric window lifter This motorized reduction gear includes a toothed wheel (1) for driving an output member mounted on its hub (4), and one or more damping springs (6) interposed between the wheel (1) and the output member; the damping spring(s) (6) is(are) flat and metal an...	08/04/1998
5562541	Folded flat-spring and device into which the folded flat-spring is incorporated A flywheel assembly having a clutch disk and at least one flywheel includes the use of at least one undulated ribbon spring formed of an elongated metallic strip, folded in accordion fashion, having an arcuate shape and having a plurality of flat-spring l...	10/08/1996
5507203	Variable length shaft assembly A steering shaft coupling comprising: an outer tubular shaft member, a coaxial inner shaft member slidably inserted within the outer tubular shaft member, the outer tubular shaft member having an inner peripheral wall and the inner shaft member having an ...	04/16/1996
5366056	Clutch friction wheel, especially for a motor vehicle clutch A clutch friction wheel, especially for a motor vehicle clutch, comprises two coaxial parts which are mounted for rotation of one with respect to the other about a common axis, with an annular damper between them. The damper comprises two rings one of whi...	11/22/1994
5322149	Damped driven disc assembly A damped driven disc assembly comprises a disc concentrically mounted with respect to a hub, wherein the disc is driven by engagement with a flywheel and the hub drives an output shaft. A plurality of pairs of beam springs have first ends secured to the d...	06/21/1994
5307913	External damper clutch A flywheel clutch assembly disposed between an engine and transmission includes an external damper positioned between a flywheel and a clutch housing. The external damper allows relative motion between the flywheel and the clutch housing, while elasticall...	05/03/1994
5226851	Low backlash compensating coupler A compensating coupler uses spring coupling legs and tabs to connect a rotary (reciprocating) input drive to a rotary (reciprocating) output drive. The coupler exhibits very low backlash and compensates for misalignment between the input and output drives...	07/13/1993
5219314	Flexible driving transmitting coupling A flexible coupling formed from sheet material and having preselected stiffness characteristics is incorporated between an engine output member and an input member of a mechanism to reduce the linear vibration levels of the system in use and to accommodat...	06/15/1993
4969630	Tire lift/carrier A tire lift/carrier unit has a sheet metal housing forming an enclosure and having parallel spaced walls supporting a rotatable shaft which supports a rotatable spool formed by a set of sheet metal plates. A flexible cable has one end connected to the spo...	11/13/1990
4834690	Flexible coupling with bent plate body A flexible coupling for coupling a drive member with a driven member has a supporting plate to which a first pair of flexible plates and a second pair of flexible plates are fixed in such a way that the former extends in parallel in one direction and the ...	05/30/1989
4787612	Torsional vibration damper A torsional vibration damper for the driven plate of a friction clutch comprises a hub, a flange extending radially out from the hub and an outer member comprising an annular side plate arranged to one side of the flange and having a central aperture such...	11/29/1988
4625947	Tire lift/carrier The illustrated embodiment which is in the form of a winch (or hoist) comprises a reel including a spool and embodying a portion thereof through which it may be driven for its raising and lowering functions. The reel mounts in bearing relation to a drive ...	12/02/1986
4609088	Dry clutch disc A dry clutch disc wherein an outward cam extending radially outwardly is formed on an output-side spline hub, input-side side plates are disposed on both sides of the cam, a leaf spring facing on a cam surface and elastically radially outwardly deformable...	09/02/1986
4470494	Clutch disk having a splined hub A disc clutch, having a hub flange of a spline hub is divided into an internal flange with hub and an external flange which are meshed each other through teeth provided on adjoining circumferences of both with circumferential clearances kept between the t...	09/11/1984
4385895	Flexible coupling with quadrilateral flex frames A flexible coupling for drivingly connecting driving and driven members and for accommodating both angular and endwise misalignment of such members comprises a plurality of quadrilateral flex frames arranged face-to-face along the central axis of the coup...	05/31/1983
4371323	Spiral rotation displacement machine with parallel motion devices ensuring relative torsional rigidity A displacement machine operating according to the spiral principle has at least one parallel motion guide device provided to ensure a torsionally rigid relative movement of two displacement elements....	02/01/1983
4359985	Governor weight retainer assembly for fuel pump A governor weight retainer assembly for a fuel pump in which a flexible connection is provided between the governor weight retainer and the hub on which the weight retainer is mounted. The flexible connection is a mechanical construction which has elongat...	11/23/1982
4302951	Torsional vibration damper A vibration damper assembly used in a torsional coupling between driving and driven members providing a low rate, high amplitude deflection, wherein the damper assembly includes a hub operatively connected to a driven shaft and having arms, at least one f...	12/01/1981
4285214	Flexible coupling A flexible coupling for drivingly interconnecting a driving member and a driven member. The coupling includes a first coupling arrangement adapted for connection to the driven member and a second coupling arrangement adapted for connection to the driving ...	08/25/1981
4257510	Non-linear spring rate clutch damper A torsional vibration damper assembly for the transmission of power in a torsional coupling or automotive vehicle clutch wherein the coil springs normally disposed between the driving and driven plates of the assembly are replaced by one or more bowed lea...	03/24/1981
4246767	Coupling for the vibration-damping transmission of torques An improved coupling for the vibration-dampening transmission of torques is provided, which includes inner and outer annular coupling members with a resiliently deformable intermediate member arranged between the coupling members. The coupling includes co...	01/27/1981
4179951	Flywheel rotor particularly suitable for accumulating energy Flywheel rotor, particularly suitable for accumulating energy, built up from separate flywheels which are interconnected by means of an elastic link. The link may have the form of a solid of revolution comprising at least a single, relatively thin-walled ...	12/25/1979
4093054	Belleville damper for torque transmitting coupling device An improved resilient means is provided between cooperating rotary elements of a coupling device to increase the torque capacity of the unit. The resilient means consists of a Belleville stack located in aligned pockets provided in the rotary elements of ...	06/06/1978
4033144	Flexible coupling A flexible coupling for connecting a rotary drive to a rotary load where the respective axes are subject to angular or parallel misalignment. An input hub on the drive shaft is connected to an intermediate member through a tripodic connection assembly and...	07/05/1977
4031715	Flexible coupling assembly An improved flexible coupling assembly for connecting a driving member to a driven member and includes two spaced circular end plates, one for securing to the driving member and one for securing to the driven member, the end plates being interconnected by...	06/28/1977
4016731	Flexible coupling assembly An improved flexible coupling assembly for connecting a driving member to a driven member and includes two spaced circular end plates, one for securing to the driving member and one for securing to the driven member, the end plates being interconnected by...	04/12/1977
3966023	Nozzle chamber friction damper A damping device for limiting motion of nozzle chamber members relative to each other and relative to a casing of a turbine apparatus both in the axial direction and in a transverse plane. The device comprises a friction generating member mounted on a noz...	06/29/1976
3934487	Vehicle steering column A steering column for a vehicle comprises two rotatable stub shafts coupled to a steering wheel for the vehicle and a steering gear for the vehicle, respectively. A rotatable steering shaft extends between the two stub shafts and couplings connect opposit...	01/27/1976

PatentStorm

Quotables

PatentStorm News

Class 464/84 - Elements are bowed leaf springs