Abstract: A propeller shaft assembly includes a propeller shaft extending along an axis between a first and second shaft end. A propeller shaft yoke is operably connected to one of the first or second shaft ends and includes a body presenting a mounting surface extending circumferentially about the axis. A tuned damper extends radially outwardly from the mounting surface and includes a first damper ring disposed in abutting and encircling relationship with the mounting surface and a second damper ring disposed in abutting and encircling relationship with the first damper ring. The tuned damper includes a retention lip extending radially downwardly from the second damper ring in axially spaced relationship with the mounting hub by an axial spacing distance D for protecting the tuned damper from axial impact forces and improving the robustness of the tuned damper mounted on the mounting surface.

Abstract: A power coupler for transferring rotary power from a rotary power device to a load device includes a shear thickening fluid (STF) and a chamber that contains the STF. The power coupler further includes a drive shaft housed radially within a drive side section of the chamber and protruding outward from an end of the chamber for coupling to the rotary power device. The power coupler further includes a load shaft housed radially within a load side section of the chamber and protruding outward from another end of the chamber for coupling to the load device. The power coupler further includes a drive turbine housed radially within the drive side section and coupled to the drive shaft. The power coupler further includes a load turbine housed radially within the load side section at a fixed operational distance from the drive turbine and coupled to the load shaft.

Abstract: A constant velocity joint comprising two concentric couplings, a first coupling comprising an inner member, an intermediate annular member and an outer annular member, the members being concentric. The inner member of the second coupling is common to the outer member of the first coupling. The members of the couplings are constrained to rotate one with respect to another and the outer member of the second coupling is constrained to rotate angularly in respect of the common member in a way that is the mirror image of the rotation of the inner member with respect to the common member.

Abstract: An aircraft drive shaft that includes an outer shaft with a first diameter that is configured to couple a first gearbox and a second gearbox to provide power transfer between the two gearboxes. An inner shaft that is concentric with the outer shaft and has a second diameter that is configured to provide structural support to the outer shaft. A gap is located between an outer peripheral surface of the inner shaft and an inner peripheral surface of the outer shaft. The gap has a size from the outer peripheral surface to the inner peripheral surface that is at least as large as a largest ballistic projectile cross-section size that the aircraft is expected to encounter on an upcoming mission. A sleeve is located at least at a first end of the outer shaft and connects the outer shaft to the inner shaft.

Abstract: A universal joint (U-joint) assembly transmits torque from a drive component to a driven component across an articulating joint. The U-joint assembly includes male and female U-joint members, a central ball joint, and a retaining device configured to secure the assembly in an assembled configuration. The female U-joint member includes a cavity extending into a receptacle end thereof. The cavity terminates in a circular receptacle and includes a plurality of rectangular channels extending radially outward from the cavity at equal intervals, each channel defined by three planar drive surfaces. The male U-joint member has a drive end with a plurality of corresponding rectangular extensions protruding from an outer periphery of the drive end, each extension including a plurality of axial angular surfaces. When assembled, each of the angular surfaces of the drive end opposes a corresponding one of the drive surfaces of the cavity. Other embodiments are also disclosed.

Abstract: A power transmission system is provided, which includes a biasing member configured to bias a second power-transmission member in a rotational direction with respect to a first power-transmission member by a spline part of the biasing member being engaged with a spline part of the second power-transmission member while the biasing member is locked by the first power-transmission member and a spring part thereof is in a first elastically displaced state, and a temporarily fixing member having a temporarily fixing part which temporarily fixes the biasing member to the first power-transmission member in a second elastically displaced state with greater elastic displacement than in the first state. The second power-transmission member is provided, on a first axial side of the spline part, with a canceling part configured to cancel the temporary fixing of the biasing member to the first power-transmission member by the temporarily fixing part.

Abstract: A compensating coupling connects a first shaft to a second shaft along an axis of rotation. The compensating coupling has a first coupling body connected to an end of the first shaft and a second coupling body connected to an end of the second shaft. At least one elastic coupling element has a longitudinal axis lying in a plane that is oriented perpendicularly to the axis of rotation. The two coupling bodies are arranged with respect to one another to form a three-dimensional coupling region in which the elastic coupling element is arranged. The elastic coupling element is connected to the two coupling bodies such that the two coupling bodies are displaceable in the radial direction with respect to the axis of rotation. The elastic coupling element is displaceable in the axial direction with respect to the axis of rotation.

Abstract: A torque limiter for a drive train includes a rotational axis, a first cover disc and a second cover disc, a central disc arranged axially between the cover discs, a first friction lining and a second friction lining, a radially outer connector and a radially inner connector, and a spring element. The first friction lining is for frictionally locking torque transmission between the first cover disc and the central disc, and the second friction lining is for frictionally locking torque transmission between the second cover disc and the central disc. The radially outer connector is permanently connected to the cover discs in a torque-transmitting manner, and the radially inner connector is permanently connected to the central disc in a torque-transmitting manner. The spring element is arranged between the central disc and the first friction lining or the second friction lining.

Abstract: A tool drive assembly including a flexible drive shaft and a guide. The flexible drive shaft includes a proximal end structured to engage a driver for rotating the flexible drive shaft, and a distal end opposite the proximal end. The guide includes a handle, a shaft extending from the handle, and a hub assembly at a distal end of the shaft. The hub assembly includes a housing, and a hub rotatably mounted within the housing. The hub includes an input connection structured to attach to the distal end of the flexible drive shaft, and an output connection structured to attach to a working tool. The tool drive assembly enables easy manipulation and driving of a working tool to achieve optimum positioning and effectiveness of the working tool.

Abstract: A constant velocity joint assembly includes an outer joint member defining a first longitudinal axis and including a closed end, an open end, a first set of outer tracks extending at least partially between the closed end and the open end, and a second set of outer tracks extending at least partially between the closed end and the open end. The assembly also includes an inner joint member defining a second longitudinal axis coaxial with the first longitudinal axis and including a first set of inner tracks and a second set of inner tracks, the inner joint including an attachment feature to receive a driveshaft. A path followed by the center of a ball in the first set of tracks is constrained by an outer race track path and an inner race track path, the outer race track path being a piecewise continuous function.

Abstract: A wheel drive shaft arrangement for a vehicle has a wheel drive shaft having a first and a second axial end, a constant-velocity joint provided at the first end, The constant-velocity joint has a first articulated joint member and a second articulated joint member which are drivingly and pivotally connected. The first articulated joint member is drivingly connected to the first end and the second articulated joint member is drivingly connectable to a driving member of the vehicle. The wheel drive shaft arrangement has a double centered universal joint provided at the second end. The double centered universal joint has a third articulated joint member drivingly connected to the second end, a fourth articulated joint member drivingly connectable to a wheel hub of the vehicle and an intermediate articulated joint member drivingly and pivotally connecting the third and fourth articulated joint members.

Abstract: A joint assembly comprising a hollow outer joint member including a wall forming an open end and a closed end, the outer joint member having a plurality of tracks in its inner surface. An inner joint member received in the outer joint member and plurality of torque-transmitting elements, whereby the plurality of torque-transmitting elements rotationally engage with the inner joint member and the tracks of the outer joint member. Each track comprises two opposing side walls and a torque-transmitting element engages these side walls of the outer joint member and is configured to move in an axial direction along the side walls. Furthermore, a boot covering the open end of the outer joint member and at least one restrictor configured to engage at least one of the plurality of torque-transmitting elements to militate against undesired displacement of the inner joint member with respect to the outer joint member.

Abstract: An elastic junction device for the dynamic connection, in a rolling mill, between the motor side and the head of an adapter or between the adapter and one or more rolling rolls comprises a central body which can be connected to an end of said flange so that it can rotate integrally therewith. The device additionally comprises two skids through a connecting pin so that said block rotates integrally with said flange, said skids being mechanically couplable to said adapter to allow the rotation thereof upon the rotation of said flange and vice versa. The junction device comprises at least a first damper element and at least a second damper element housed in the block and which act on opposite parts of the connecting pin so as to absorb the axial tensions which are transmitted along the adapter as a result of the stresses caused by rolling.

Abstract: A flexible composite driveshaft formed by automated fiber placement includes a first region extending longitudinally about an axis and having a substantially constant first diameter and a second region adjacent to the first region. The second region includes a first diaphragm extending radially outward from the first region about a circumference of the driveshaft and a second diaphragm extending radially outward from the first region about the circumference of the driveshaft. The first and second regions each include a plurality of strips of unidirectional fiber tape, wherein the plurality of strips is arranged in a plurality of stacked layers and wherein a first portion of the plurality of strips is oriented in a circumferential direction. At least one of the circumferentially-oriented strips of unidirectional fiber tape is positioned between the first and second diaphragms and comprises a plurality of folds formed about the circumference of the driveshaft.

Abstract: A hub-integrated-type constant-velocity joint device in which one hub housing (40) functions as both an outer race of a constant velocity joint and a wheel hub combining a disc (2) of a wheel and a knuckle (3). In this configuration, a boot sealing portion (110) integrally formed at a boot 50? is inserted in a gap (35) between an inner race (32) and an outer race (33) of a bearing (30), thereby functioning as an inner seal closing up the gap between the inner race (32) and the outer race (33).

Abstract: A device includes an inner cylinder and an outer cylinder. The inner cylinder has a radial face including a first set of curved structures. The outer cylinder has an axial face including a second set of curved structures. A coupling is formed in response to a section of the outer cylinder disposed to surround a portion of the inner cylinder and the first set of curved structures of the inner cylinder disposed to interlock with the second set of curved structures of the outer cylinder.

Abstract: Disclosed is a folding mechanism for an outside rearview mirror of a vehicle. In more detail, disclosed is an actuator mechanism of an outside rearview mirror for a vehicle. Here, the actuator mechanism includes a lower case including a shaft fixing region, a driving motor including a gear-shaft having one end engaged with the shaft fixing region and restricted in movement in a first axial direction and a body portion vibrating in the first axial direction, an actuator module; and an upper case including a first elastic support region and configured to cover the lower case. Here, the first elastic region elastically restricts vibration of the body portion in an axial direction.

Abstract: A damper device includes a damper unit and a torque limiter unit. The damper unit includes first and second plates each including a plurality of window portions, a hub flange including a plurality of window holes, and a stopper mechanism. The first plate includes an engaging portion and a fixing portion fixed to the second plate. The engaging portion and the fixing portion are disposed radially outside the plurality of window portions. The hub flange includes a protrusion disposed circumferentially between and radially outside adjacent two of the plurality of window holes. The stopper mechanism is configured to be actuated by contact of the protrusion with the engaging portion. A fixation member, by which the first plate and the torque limiter unit are fixed, is disposed circumferentially between adjacent two of the plurality of window portions as seen in a direction along a rotational axis.

Abstract: A damper device includes a damper unit and a torque limiter unit. The damper unit includes an output plate, an elastic member, first and second input plates. The torque limiter unit includes a pressure plate, first and second side plates. The first side plate has an inner diameter equal to an outer diameter of the output plate. The second side plate has an inner diameter equal to an outer diameter of the first input plate. The pressure plate has an inner diameter equal to an outer diameter of the second input plate. An inner-peripheral surface of the first side plate is not opposed to an outer-peripheral surface of the output plate. An inner-peripheral surface of the second side plate is not opposed to an outer-peripheral surface of the first input plate. An inner-peripheral surface of the pressure plate is not opposed to an outer-peripheral surface of the second input plate.

Abstract: A damper device includes an input-side rotating member, an intermediate rotating member, an output-side rotating member, and an elastic body. The elastic body is located in a clearance in a circumferential direction between each of a plurality of corresponding portions in which a hook portion of the input-side rotating member and a hook portion of the output-side rotating member face each other and the intermediate rotating member. A part of the corresponding portions is a first corresponding portion configured in such a manner that the elastic body is separated from the output-side rotating member and in contact with the input-side rotating member. The remainder of the corresponding portions is a second corresponding portion configured in such a manner that the elastic body is separated from the input-side rotating member and is in contact with the output-side rotating member.