Abstract: A flexible and rotatable coupling assembly for a feeder conveyor of a combine harvester, for example. The coupling assembly connects a first rotatable shaft to a second rotatable shaft. The coupling assembly includes a spherical bearing that is connectable to the first rotatable shaft for accommodating a radial or angular misalignment between the first and second rotatable shafts; and a flexible and rotatable coupler that is non-rotatably connectable to the first and second rotatable shafts for transferring rotation between the first and second rotatable shafts. The flexible and rotatable coupler is either directly or indirectly connected to the spherical bearing. The flexible and rotatable coupler has a flexible component for accommodating the radial or angular misalignment.

Abstract: A coupling is disclosed for connecting rotating components of a generator and a prime mover in a power generation system. The coupling comprises a hub, a coupling flange and an elastomeric component located between the hub and the coupling flange. The elastomeric component is removable radially from the coupling.

Abstract: The present disclosure provides an output shaft component and a power output mechanism. The output shaft component includes a housing connected to the driven member, an adapter shaft connected to an output shaft of the power output mechanism, and an elastic body mounted in the housing. The adapter shaft is rotatably mounted in the housing. The elastic body includes an inner ring, an outer ring located outside the inner ring, and an elastic portion connected between the inner ring and the outer ring. The adapter shaft is sheathed in the inner ring, the inner ring is synchronously rotatably connected to the adapter shaft, and the outer ring is fixed on the housing.

Abstract: The disclosed invention is a novel method for constructing an Arcuate Common Vertex Spring Damper System, that can either be used as a single spring for a torsional vibration application or be used in pairs as a Dual Arcuate Common Vertex Spring Dampers System. Both these constructions yield significant improvements over the conventional Common Vertex and Dual Common Vertex seen in prior art, such as promoting a radially tighter packaging envelop, allowing the resulting device to be tuned across a greater torsional frequency range, and improving the modal decoupling response of the resulting device.

Abstract: A coupling element for connecting a helix-shaped eccentric screw pump rotor to a drive shaft, with a drive shaft receiving portion and a rotor connecting portion arranged at an opposite end of the coupling element from the drive shaft receiving portion, the rotor connecting portion is constituted as a hollow cylinder for receiving a rotor end of the screw pump rotor, wherein the hollow cylinder has at least two inner circumferential surfaces which are complementary to the rotor and have a radius which is fixed with respect to the cross-sectional center of the hollow cylinder.

Abstract: An adaptor is disclosed for connecting a generator to a prime mover. The adaptor comprises two separable parts. By providing an adaptor comprising two separable parts, it may be possible for one part to be removed in order to allow access to moving parts which would otherwise be inaccessible. This may simplify the process of servicing moving parts such as a coupling or bearings, without requiring the generator and the prime mover to be moved apart. A coupling with a radially removable elastomeric component is also disclosed.

Abstract: An electric clamp apparatus includes a body, a rotary drive unit which is driven rotatably by an electric signal, and a rotary body rotated under a driving action of the rotary drive unit. Gear teeth of a clamp arm are enmeshed with helical screw grooves formed on the outer circumferential surface of the rotary body. The rotary body is rotated by driving the rotary drive unit, whereby the clamp arm, which is enmeshed with the screw grooves, is rotated through a predetermined angle to bring about a clamped state for clamping a workpiece.

Abstract: A more durable rotation transmitting member for a coupling directly connected to shafts has: drive-side rotation transmitting cushion to which an input shaft is directly connected; and a hub to which an output shaft is directly connected. Two parallel flat surfaces are formed on the outer periphery of the front end of the input shaft, and a shaft hole receives the front end of the input shaft and is formed in the rotation transmitting cushion. Surfaces of the inner wall of the shaft hole protrude toward the axis (O) to face input shaft front end flat surfaces. Each protruding surface comprises two flat sloped surfaces extending in the direction of the axis (O). When the input shaft starts to rotate, each front end flat of the front end comes into surface contact with one of the protruding surface sloped surfaces which faces the flat surface.

Abstract: A vibration damper and a drive shaft comprising a vibration damper having a small radial extent is provided. A first shaft part is provided with a sleeve and a second shaft part is provided with an inner part which extends axially into the sleeve. The sleeve and the inner part include longitudinal rotary drivers that engage negative profiles of an damping part which is elastically deformable in the direction of shaft rotation and includes at least one decoupling ring and at least one pair of rotation limiting rings.

Abstract: A method of producing a composite body, such as a gear wheel or torsional vibration damper, including a radially inner hub body provided with outer profiles, a surrounding outer body provided with inner profiles, and an intermediate layer of synthetic resin material which connects the outer profiles of the hub body with the inner profiles of the outer body; the hub body being with an inner contour adapted to mount the composite body on a shaft.

Abstract: 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.

Abstract: A rotary flexible shaft for coupling between driving and driven member having female couplings has ends of noncircular cross-section. A strand of compressible material such as flocked yarn is helically wrapped around each end so as to leave spaces between turns which expose portions of the lateral surfaces of the ends. A coating of a silicone adhesive or other elastomer, or of a highly ductile material such as polytetrafluoroethylene, covers and is adherent to the strands and the exposed portions of the lateral surfaces of the shaft ends. Instead of a strand, the compressible material may constitute spaced ridges, islands, and/or protuberances adhering to the shaft ends.

Abstract: An unbalance correction device of a propeller shaft includes a propeller shaft configured by a plurality of annular dampers being elastic members mounted along an axial direction between a metallic outer shaft and a metallic inner shaft and a balance weight in which a primary weight plate part and an auxiliary weight plate part that are formed in an arc along a width direction and include a substantially quadrilateral planar shape are formed continuously and integrally along a longitudinal direction, and a protruding piece is protrusively formed on a concave arced surface on a rear surface side of the primary weight plate part and from each corner part at four locations. The primary weight plate part is disposed in a non-mounted area of the dampers at an axial direction end of the outer shaft coinciding with an axial direction of the outer shaft.

Abstract: A vibration damper (2) that is effective in the direction of rotation of a drive shaft and has a small radial extension. For this purpose, a first shaft part (6) is provided as a sleeve (8) and a second shaft part (7) is provided as an inner part extending axially into the sleeve (8). The two shaft parts (6, 7) engage via rotary drivers in complementary negative profiles (15, 16) of an interposed elastic damper part (10) in the direction of rotation. In addition to the negative profiles, the damper part may be provided with recesses (40) which modify its damping characteristics.

Abstract: A rotary shaft having ends with a surface layer or raised portions made of a compressible, preferably elastic, material, the ends including the surface layer or raised portions being covered with relatively thin walled durable plastic tubing.

Abstract: In a drive shaft including an outer tube extending from one end and a core shaft extending from the other end at least partially into the outer tube and an elastomer damping element disposed between the outer tube and the core shaft and being vulcanized to the outer tube and the core shaft for the transmission of a torque therebetween, several support rings are disposed in axially spaced relationship between the outer tube and the core shaft and abut the outer tube and the core shaft so as to permit relative movement between the outer tube and the core shaft but prevent bending of the drive shaft.

Abstract: A noise and vibration damper for use with a rotatable structure, such as a driveshaft assembly for a vehicular drive train system, includes an inner member, an elastomeric member that extends about the inner member, and an outer member that extends about the elastomeric member. The inner member is formed from a sheet of material that has been deformed to a desired shape, while the outer member is formed from a tube of material having a length that is selected to provide the desired dampening frequency. The natural resonant frequency of the noise and vibration damper can be adjusted by varying either or both of the shape of the inner member or the axial length of the outer member of the noise and vibration damper. In both instances, the weight distribution of the components of the noise and vibration damper is altered.

Abstract: A propeller assembly is provided for mounting in a rotatable propeller shaft of a water craft. The propeller assembly includes a hub structure extending along an axis and including an outer surface having a plurality of circumferentially spaced blades projecting therefrom and an inner surface having a plurality of circumferentially spaced, longitudinally extending keys projecting therefrom. An adaptor translates rotatational movement of the propeller shaft to the hub structure. The adaptor includes an inner surface defining a passageway for receiving a propeller shaft therethrough and an outer surface having a plurality of circumferentially spaced, longitudinally extending keys extending therefrom. The keys of the hub structure and the keys of the adaptor lie on a generally circular key path such that rotation of the adaptor is directly translated to the hub structure.

Abstract: A coupling between a driving and a driven shaft includes a rigid tube to which are attached by bonding, in axially spaced apart relation at least two flexible annular elements of elastomeric material, the annular elements being of various shapes; the outer periphery of each ring is bonded to an attachment ring which is attachable to a flange of a connecting hub with each hub mounted or connected to one the shafts; in one form the tube is split axially and is adjustably attachable to the periphery of the rings.

Abstract: A coupling between a drive and a driven shaft includes a rigid tube to which are attached in axially spaced apart relation at least two flexible rings of elastomeric material; the outer periphery of each ring is attached to a flange of a connecting hub with each hub mounted or connected to one the shafts; in one form the tube is split axially and is adjustably attachable to the periphery of the rings.

Abstract: A propeller assembly is provided for mounting on a rotatable propeller shaft of a watercraft. The propeller assembly includes a hub structure extending along a longitudinal axis. The hub structure includes an outer surface having a plurality of circumferentially spaced propeller blades projecting therefrom and an inner surface having a longitudinally extending keys projecting therealong. An adaptor has an inner surface defining a passageway for receiving the propeller shaft therethrough and an outer surface having longitudinally extending keys extending therealong. A tubular bushing interconnects the adaptor to the hub structure. The tubular bushing has a first set of keyways for receiving corresponding keys of the adaptor in a mating relationship and a second set of keyways for receiving the keys of the hub structure in a mating relationship.

Abstract: A flexible pivot with internal pivoting axis comprises two stages that are symmetrical with respect to a median plane perpendicular to the pivoting axis and separated by an external circular recess containing the median plane, each stage comprising an outer annular interface connected by a plurality of radial, flexible guiding arms to a common intermediate cylinder having an axis that is the same as the internal pivoting axis.

Abstract: A rotating lubrication applicator is provided for metered lubrication of machine parts including parts of drive mechanisms. The preferred applicator includes an inner hub and an outer lubricating portion. The outer lubricating portion is made out of a solid lubricant containing microporous polymeric matrix material. Tensioning devices including the rotating lubrication applicators are also provided as are methods of using the same. The applicator will provide a metered amount of lubricant to surfaces which come into contact with outer lubricating portion.

Abstract: A linear vibration isolator between a pair of shaft segments of a motor vehicle intermediate steering shaft including an outer member rigidly connected to one of the shaft segments, an inner member rigidly connected to the other of the shaft segments and cooperating with the outer member in defining an annular chamber therebetween, and an axially flexible and torsionally stiff disc pack in the annular chamber. The disc pack includes a plurality of flat outer spacer rings, a plurality of flat inner spacer rings nested inside of the outer spacer rings, and a plurality of elastomeric isolator discs stacked between the nested pairs of inner and outer spacer rings. The outer spacer rings with the isolator discs therebetween are clamped against a shoulder on the outer member and coupled to the outer member for unitary rotation therewith. The inner spacer rings with the isolator discs therebetween are clamped against a shoulder on the inner member and coupled to the inner member for unitary rotation therewith.

Abstract: A rotating lubrication applicator is provided for metered lubrication of machine parts including parts of drive mechanisms. The preferred applicator includes an inner hub and an outer lubricating portion. The outer lubricating portion is made out of a solid lubricant containing microporous polymeric matrix material. Tensioning devices including the rotating lubrication applicators are also provided as are methods of using the same. The applicator will provide a metered amount of lubricant to surfaces which come into contact with outer lubricating portion.

Abstract: A torsional vibration damper with an outside ring and an inside ring which surround each other and are connected to each other with rotational elasticity by way of spokes which can be deflected in the circumferential direction. The spokes are non-deformable and are connected with the inside ring and with the outside ring by way of intermediate layers made of rubber.

Abstract: A gear is comprised of a central radial hub, a radial gear-toothed rim and a stress dissipating structure.

Abstract: A steering shaft wherein energy absorbers are formed by filling a synthetic resin between the shaft and an outer sleeve. This steering shaft comprises a plastic metal pipe including, in a region remote from the steering wheel, a flat portion for connection to the outer sleeve, and a plurality of annular grooves to be filled with the synthetic resin. In a region adjacent the steering wheel, the plastic metal pipe includes an upper bearing mount, a screw for engaging a bearing retaining nut, a serrated shaft for engaging the steering wheel, and a screw for engaging a retainer nut, all defined as integral parts of the plastic metal pipe and arranged in the stated order toward an extreme end of the pipe. This steering shaft is lightweight, and may be manufactured in a reduced shaping time and at low cost.

Abstract: A flexible coupling in which segmented elastomeric coupling elements are fixed to radially extending from immovable flanges on annular inner and outer coupling members by a fastening system. A plurality of bushes in the elastomeric elements receive bolts extending from movable clamping plates to the immovable flanges to hold the elastomeric elements in compression.

Abstract: The device for mechanically transmitting torque from a motor to a power transmission is especially suitable for marine propulsion systems as a sound-damping transfer coupling of a drive shaft. The device comprises a damping member with two halves mirror-symmetrical relative to a plane that is perpendicular to the axial direction. Each half is a composite body comprised of a first and a second conical rubber ring of opposite conical orientation. The second conical rubber ring is concentrically arranged inside the first conical rubber ring. A metallic conical center ring is vulcanized to the mantle surfaces of the first and second conical rubber rings that are facing one another. A metallic outer ring is vulcanized to an outer conical mantle surface of the first conical rubber ring and a metallic inner ring is vulcanized to an inner conical mantle surface of the second conical rubber ring.

Abstract: 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.

Abstract: A coupling is adapted to transmit a movement of rotation and torque between two shafts which make therebetween an angle of between 0.degree. and 90.degree. which is fixed or variable. The coupling includes a flexible or elastic wall having, when it is mounted in the coupling, an active part constituted by two spherical segments one of which segments is outside the other, and which are interconnected by a movable trough or bend. The spherical segments are extended by end parts which are provided with heel portions for fixing the wall to cups rigid with the shafts. This coupling permits the transmission through the flexible wall of moderate torque at large angles between the shafts and with practically no resistance to the positioning of the shafts at an angle to each other.

Abstract: This invention is directed to helicopter rotor hubs which includes an elastomeric material between an inner and outer hub. The inclusion of elastomeric material transmits torque, thrust and in-plane loads and is flexible in the tilt direction.

Abstract: A flexible coupling having molded plastic flexible diaphragms and a molded composite spacer shaft is disclosed. The flexible diaphragms have an axially formed convoluted bore shrunk fit onto a mating convoluted surface of the spacer shaft. The flexible diaphragms are attached about their periphery to radial flanges of input and output members adapted to be connected to rotatable shafts.

Abstract: A drive axle assembly comprises a drive shaft with an integral flange at one end and a second drive shaft with an integral hollow head at an end adjacent the flange. The flange and head having cooperating lugs forming a lost motion, positive drive between the shafts. The assembly also includes a limited torsional damper comprising a shell welded to the flange, a canister welded to the head and a pair of rubber bushings compressed between the shell and the canister. The assembly has an internal spacer to maintain longitudinal alignment of the shafts and a fail safe feature which retains the shafts together in the event the rubber bushings fail.

Abstract: A resilient shaft coupling. The parts of the coupling are supported by being radially braced against one another, but are movable relative to one another to a limited extent in the axial direction. One of the parts of the coupling contains an outer flange secured to a cylindrical jacket, the free end of which merges into an inwardly projecting flange. The other, inner part of the coupling contains a matching flange to which a bearing ring is rigidly secured and has an external collar coaxial with the axis of rotation and separated by a narrow annular gap from the inner wall of the jacket. The gap contains at least one bearing bushing which is adjacent the collar and jacket and radially braces parts against one another without preventing axial motion thereof. The parts are interconnected by at least one resilient annular member secured on one side to the matching flange and on the other side to the outer flange.