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Nonmetallic element

Subclass of:

464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts

464051000 - TORQUE TRANSMITTED VIA FLEXIBLE ELEMENT

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
464087000 Nonmetallic element 33
20080261705Elastic Joint Member - The invention relates to an elastic joint member (10-23-2008
20090186707TORSION-ELASTIC SHAFT COUPLING - A shaft coupling has an input element adapted to be rotationally driven about an axis, an output element rotatable about the axis adjacent and limitedly relative to the input element, and an intermediate element rotatable about the axis adjacent and limitedly relative to both the input element and the output element. A first coupling assembly with progressive resistance to torque is fixed between one of the input and output elements and the intermediate element. A second coupling assembly with linear resistance to torque is fixed between the other of the input and output elements and the intermediate element such that torque is transmitted between the input and output elements through the coupling elements in series with each other in a single stage.07-23-2009
20110165950ROTARY ELASTIC COUPLING AND ITS METHOD OF MANUFACTURE - The present invention relates to a rotary elastic coupling fitted with an inner ring and with an outer ring surrounding the inner ring around the periphery by forming an annular slit. An elastomer is provided in the annular slit, which is vulcanised or glued to the inner ring and to the outer ring and fills up the annular slit substantially or completely. The annular slit is meander-shaped around the periphery of the coupling so that radially outward protrusions of the inner ring undercut radially inward protrusions of the outer ring. Around the periphery of the coupling, a relief opening is provided in the elastomer on both sides of the protrusions of the inner ring and on both sides of the protrusions of the outer ring.07-07-2011
20130281218ROTARY VIBRATION DAMPER - The present disclosure relates to a vibration damper, in particular for a drive train of a motor vehicle, having a support body which is rotatable about an axis of rotation M, a damper mass which is coaxial with respect to the support body and which is arranged with a radial spacing to the support body, and a plurality of spring elements which connect the support body and the damper mass to one another. It is provided that the support body has axial travel limiting means which extend on the support body in the radial direction relative to the damper mass so as to limit a displacement of the damper mass in the axial direction relative to the support body.10-24-2013
20130281219METHOD FOR PRODUCING A COUPLING SEGMENT OF A FLEXIBLE COUPLING - The invention relates to a method for the production of a coupling segment (10-24-2013
20140024467SAFETY COUPLING FOR A MOTOR VEHICLE - In a safety coupling for a motor vehicle for transmitting a driving torque between a machine shaft of an electric machine and a wheel drive shaft driving at least one wheel of a vehicle, torque is transmitted during disturbance free normal operation between the machine shaft and the wheel drive shaft via a releasable positive coupling. If a torque exceeding a limit value occurs, the releasable positive coupling is disengaged, and therefore an elastic coupling device at least briefly takes over the transmission of torque.01-23-2014
20140295978INSERT FOR SHEAR-TYPE FLEXIBLE SHAFT COUPLINGS - A non-split, unitary insert for a shear-type flexible shaft coupling is provided. The insert has an inner ring and an outer ring that is non-removably joined to and encircles the inner ring. The inner ring is constructed of a material having a durometer that is less than the durometer of the material forming the outer ring. In embodiments both of these materials are polyurethane. This arrangement permits slots of the inner ring to shear while retaining the integrity of insert by preventing destruction of the outer ring during shear of the slots. The outer ring may include one or more radial tabs that are received by corresponding one or more radial notches in the inner ring to prevent separation of the rings under load.10-02-2014
20150024854TORSION-DAMPING DEVICE COMPRISING TWO TORQUE OUTPUT PLATES ARRANGED ON EITHER SIDE OF TORQUE INPUT RING01-22-2015
20160160960PROPSHAFT DAMPER AND METHOD OF ASSEMBLY - A propshaft damper for a vehicle is provided. The propshaft damper includes an inertia ring where the inertia ring having an inner ring. A rubber track is positioned on inner ring, the rubber track having an first inner surface. A transmission flange is further provided having a second inner surface and connected to the inertia ring. A hub is provided connecting the inertia ring to the flange. The hub having a first section and a second section where the first section of the hub includes a first outer surface and the second section includes a second outer surface. The first inner surface of the hub connected to the first outer surface of the hub. Further, the second outer surface of the hub is connected to the second inner surface of the flange thereby connecting inertia track and the flange by means of the hub in a secure press-fit connection.06-09-2016
20160195160TORSIONAL VIBRATION DAMPER07-07-2016
464088000 Element is hollow sleeve surrounding rotational axis and connected at opposite ends to axially spaced torque transmitting surfaces on driving and driven members 5
20100093450Sleeve and Sleeve-Type Flexible Shaft Coupling - A shaft coupling with a flexible annular sleeve, a driver end piece, and a driven end piece. The end pieces have a plurality of axially projecting prongs arranged so that the driver prongs loosely interlock in the spaces between the driven prongs with a gap between each pair of prongs. The sleeve fits snugly around the periphery of the loosely interlocked prongs. Each prong has at least one prong groove in its outer periphery. Each of two peripheral edges may be shaped to form a groove flank, and each set of two adjacent groove flanks on adjacent prongs may form a gap groove. The sleeve has a plurality of inner teeth including a plurality of groove teeth in alternating arrangement with a plurality of gap teeth. The prong grooves and groove teeth mesh, and the gap grooves and gap teeth mesh. Groove teeth may be bigger than gap teeth.04-15-2010
20120283029HIGH TORQUE DENSITY FLEXIBLE COMPOSITE DRIVESHAFT - Composite continuous filament wound flexible composite driveshafts with integral spacing tube and flexible diaphragms and methods of manufacture. Fully anisotropic material properties are mapped to the deeply sculpted diaphragm geometry of flexible composite coupling elements attached at outer diameters for high torque applications. Continuous filament wound spacing tubes of the shaft control natural frequencies and torsional stability in conjunction with multiple flexible composite diaphragms.11-08-2012
20120322566REDUCER OF ELECTRIC POWER STEERING SYSTEM - The present invention relates to a reducer of an electric power steering system. By the system, it is possible to prevent a noise from being produced by a clearance between an inner rotor and an outer rotor. Further, since the steps of assembling the inner and outer rotors and applying grease are omitted, it is possible to simplify the assembling process of the reducer, to reduce the material costs, and to improve stability in assembling.12-20-2012
20140162795Elastomeric Coupling Having Clamp Ring with Flanges Providing Torsional Stiffness Characteristics - A coupling transmits torque between shafts approximately aligned on a shaft axis. The coupling has a center axis approximately aligned with the shaft axis and a center element formed from an elastomer material. The center element has first and second axial sides. A clamp ring extends axially from each side of the center element along the coupling center axis. The clamp rings may include slots for fasteners for mounting the coupling to shaft hubs. The clamp ring has a flange portion embedded within the center element. Each clamp ring flange portion extends substantially away from the coupling center axis within the center element. An amount of extension away from the coupling center axis is selected to provide the coupling with a desired torsional stiffness characteristic. In accordance with a method, the coupling is formed by selecting the flange portions that will provide the coupling with a desired torsional stiffness characteristic.06-12-2014
20150080136COUPLER FOR A ROTATABLE CUTTTER ASSEMBLY - A coupler for use in connecting together in a driving relationship a first member and a second member in a rotatable cutter assembly includes an elongate body having an axial forward end and an axial rearward end, and the elongate body containing a longitudinal bore. The elongate body further includes a collar mediate of the axial forward end and the axial rearward end, a forward body portion axially forward of the collar wherein the forward body portion is configured to drivingly engage the first member and a rearward body portion rearward of the collar wherein the rearward body portion is configured to drivingly engage the second member. The rearward body portion of the elongate body includes an elastomeric layer formed thereon.03-19-2015
464089000 Extending between radially overlapping surfaces on driving and driven members 6
20090062020Multi-ribbed keyless coupling - A keyless coupling assembly for connecting concentric shafting components in a sealless pump comprises a first shafting member, a second shafting member and a plurality of torque strips. The first shafting member comprises an annular body and an inner surface disposed within the annular body. The second shafting member comprises a cylindrical body and an outer surface. The cylindrical body is disposed within the inner surface of the first shafting member. The outer surface encircles the cylindrical body and faces the inner surface. The plurality of torque strips is positioned between the outer surface and the inner surface to form anti-rotation grooves to prevent relative rotation between the first and second shafting members.03-05-2009
20120021841Low Noise and Vibration Flexible Shaft - A flexible shaft having square or helical square tips with thermoplastic felt covering and adherent to the tips including the tip ends. The felt has fused bulges adjacent the ends. When the tips are inserted into mating recesses of driving and driven members, the felt is deformed to improve the fit between the tips and the recesses and reduce noise and vibration when the driving member is rotated.01-26-2012
20120100919TORQUE TRANSMISSION DEVICE FOR THE LOW VIBRATION TRANSMISSION OF TORQUE VIA AT LEAST ONE SHAFT - Torque transmission device 04-26-2012
464090000 Plural elements radially overlapping 2
20100120544Torsionally elastic shaft coupling comprising a bridgeable elastomer member - The invention relates to a torsionally elastic shaft coupling comprising an input flange (05-13-2010
20140018177COUPLING FOR CONNECTING TWO SHAFT SECTIONS, IN PARTICULAR OF A STEERING SHAFT, IN A DAMPING MANNER, STEERING SHAFT, AND METHOD FOR PRODUCING A CORRESPONDING COUPLING - The invention relates to a coupling for connecting two shaft sections in a damping manner, including a bushing arrangement having a radially inner bushing and a radially outer bushing, wherein the radially inner bushing can be coupled to a first shaft section and the radially outer bushing can be coupled to a second shaft section so as to transmit torque, wherein a damping layer is provided between the radially inner bushing and the radially outer bushing. The bushing arrangement can have a circumferentially wave-shaped contour, wherein the radially inner bushing and the radially outer bushing have shafts that mesh with each other, and wherein the damping layer is provided with axial openings, which extend reciprocally from both axial ends of the coupling into the damping layer so that damping blocks are formed at the axial ends of the coupling between the radially inner and radially outer bushings.01-16-2014
464091000 Plural elements axially spaced along rotational axis 1
20130210532DEVICE FOR TRANSMITTING TORQUES FOR A DRIVE TRAIN OF A MOTOR VEHICLE - The present disclosure relates to a device for transmitting torques for a drive train, having a torsional vibration absorber with a primary mass rotatable about an axis of rotation, a secondary mass rotatable about the axis of rotation relative to the primary mass and an elastomer body arranged between the primary mass and secondary mass, and an articulated body having a plurality of bushings arranged in the circumferential direction at predetermined angular intervals with respect to the axis of rotation. The articulated body is connected in a torque-transmitting manner to the primary mass via a first group of bushings and, for the torque-transmitting coupling, is coupled to part of the drive train via a second group of bushings. Intermediate bushings for connection of the articulated body to the primary mass, are attached at one end and connected at the other end to individual bushings of the first group of bushings.08-15-2013
464092000 Annular element between and coincident with drive and driven members 12
20090176584Universal Cross Joint with Axial Insulation - A universal joint comprises a first joint yoke having bearing bores at axially opposite yoke arms and being connected with the drive shaft, a first pin bearer being connected to the first joint yoke; a second joint yoke having bearing bores at axially opposite yoke arms and being connected with the driven shaft, a second pin bearer being connected to the second joint yoke; and an elastic coupling element connected to the cross member at each pin bearer. The first and second joint yokes are arranged radially at an angle of 90° in relation to each other to form an internal space. The first and second pin bearers each comprise an appendage such that each pin bearer extends through a respectively associated joint yoke and protrudes with its appendage over an outer side of the respective joint yoke opposite to the internal space.07-09-2009
20110105235KELLY BAR ARRANGEMENT - The invention relates to a Kelly bar arrangement having an inner bar and at least one outer bar, whereby the inner bar is arranged with respect to the at least one outer bar in an axially movable but rotationally fixed manner, and a spring means which is arranged in a lower area of the inner bar for cushioning an axial movement of the inner bar with respect to the at least one outer bar. In accordance with the invention provision is made for the spring means to be designed as an elastomer spring.05-05-2011
20130079162DEVICE FOR USE AS A TORSIONAL VIBRATION DAMPER OR AS AN UNCOUPLED PULLEY - A device configured to be arranged on a crankshaft includes a base having a hub journal, the hub journal extending in an axial direction and having a centered opening configured to receive a mounting screw. A hub rim surrounds the hub journal. An inertia ring encircles the hub rim and is connected to the hub rim via an elastomer. At least one of the hub rim and the hub journal is fitted with a support device configured to provide support against a torque. The support device includes elements that project in a pin-like manner from the at least one of the hub rim and the hub journal in the axial direction.03-28-2013
20140045600PLANAR TORSION SPRING FOR ROBOT JOINT - The present invention discloses a planar torsion spring for a robot joint, including a torsion spring outer ring, a torsion spring inner ring and a plurality of elastic bodies; the elastic bodies are uniformly distributed around the circumference and connected with the torsion spring outer ring and the torsion spring inner ring respectively at their two ends; each elastic body is composed of two symmetrical elastic body units, each elastic body unit includes an outer circular hole slot, an inner circular hole slot and a connecting beam; the connecting beam connects respectively between the torsion spring inner ring and the inner circular hole slot, the inner circular hole slot and the outer circular hole slot, the outer circular hole slot and the torsion spring outer ring; a wide-angle deformation of the torsion spring is achieved through a series of elastic deformation of the inner and outer circular hole slot.02-13-2014
20140309042TORQUE DISC - A composite material torque disc is described which comprises a support layer, and a reinforcing fibre secured to the support layer, the support layer being embedded within a polymer matrix material.10-16-2014
464093000 Including means to receive radially spaced axially extending projection on drive and driven members 6
20100069161WRAP AROUND COUPLING - The invention relates to a coupling for joining rotatable shafts including a pair of mating hubs having projecting pins, which hubs are held together via a free-floating wrap around restraint. The coupling has first and second circular hubs, wherein each circular hub has and a tool for fixing a shaft within each bore. Several coupling pins extend outwardly from each hub such that the coupling pins of the hubs are facing and longitudinally aligned with each other to define mating pairs of coupling pins. The coupling has a flexible annular restraint having split ends and semi-cylindrical concavities through the restraint. The restraint is wrapped around the mating pairs of coupling pins such that the split ends align and one mating pair of coupling pins are positioned within each of the semi-cylindrical concavities. A cincture is then fastened around the outer surface of the restraint.03-18-2010
20120004043Vibration Damper for a Drive Train - A vibration damper (01-05-2012
20150337904COMPOSITION FOR A DISC-TYPE FLEXIBLE COUPLING AND COUPLING INCLUDING SUCH COMPOSITION - A composition having at least one rubber component; from 49 to 51 parts of carbon black per hundred parts of the at least one rubber component; from 1 to 6 parts of modified para-aramid short fibre per hundred parts of the at least one rubber component; and from 1 to 6 parts of hexamethylene-1,6-bis(thiosulfate) disodium salt dehydrate per hundred parts of the at least one rubber component.11-26-2015
20150354636COUPLING - A coupling comprises: a pair of hubs including a first hub and a second hub, each having an inner end surface and a plurality of claws located on the inner end surface at intervals in a circumferential direction and projecting in an axial direction of the hub, the inner end surfaces of the first and second hubs being opposed to each other, each of the claws of the first hub being located in the gap between two adjacent claws of the second hub and each of the claws of the second hub being located in the gap between two adjacent claws of the first hub; and a rubber spacer located between the opposed inner end surfaces. A product of a damping ratio and a square root of a dynamic torsional spring constant of the coupling is 1.3 to 12.0.12-10-2015
20160138656TORQUE-TRANSMITTING COUPLING - The invention relates inter alia to a device (05-19-2016
20160186816ELASTIC COUPLING DEVICE FOR CONNECTING TWO DRIVE SHAFTS - The invention relates to an elastic coupling device for connecting two drive shafts to a coupling disk, which is arranged axially between a first drive shaft and a second drive shaft and is arranged against the first drive shaft and the second drive shaft in a rotationally fixed manner. The coupling disk acts as a mechanical compensator during torque transmission between the two drive shafts. The coupling disk is retained without penetration by means of a plurality of circumferentially distributed clamping pieces, which are or can be connected to the first drive shaft and to the second drive shaft in circumferential alternation. The coupling disk and the clamping pieces are contoured in an axis-of-rotation direction in such a way that the clamping pieces encompass the coupling disk in a form-closed manner, wherein the form closure is effective in a rotational direction.06-30-2016
464096000 Laminated element or plural elements abutting or spaced along axis of rotation 1
20090264207Elastic Shaft Coupling Having Non-Identical Rubber Bodies - The invention relates to an elastic shaft coupling (10-22-2009

Patent applications in all subclasses Nonmetallic element

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