Abstract: A drive axle assembly provides a maximum bending angle by way of a structure of a shaft bearing supported by a drive shaft with a compact assembly structure. The drive axle assembly is preferably configured to include, a wheel bearing assembled to an axle housing, a boot having a large diameter portion of one end connected to an outer ring of the wheel bearing, a drive shaft having an orbit formed along a circumferential direction of an outer circumferential surface, and a shaft bearing assembled between a small diameter portion of the other end of the boot and the drive shaft, and configured to restrict the rotation of the boot as a rolling element is rotated along the orbit.

Abstract: A torque limiter includes a first side plate, a second side plate, a friction disc, a pressure plate, and a biasing member. The first side plate includes an attachment surface. The attachment surface faces in an axial direction so as to be attached to a flywheel. The second side plate has a smaller outer diameter than the outer diameter of the first side plate. The second side plate is disposed so as to not overlap the attachment surface as seen in an axial direction. The second side plate is attached to the first side plate.

Abstract: A constant velocity joint spider and constant velocity joint therewith, wherein the constant velocity joint spider has an annular body with a through bore extending along a central axis and a plurality of trunnions. Each trunnion has an outer surface extending radially outwardly from the annular body to a free end. Each outer surface defines at least one running surface. Each free end has a first portion having a first radius and at least one second portion having a second radius, the at least one second portion extends between the first portion and the at least one running surface. The first radius is greater than the second radius.

Abstract: A drive unit (10) for a vehicle including an electric machine (12) having a rotor shaft (14) and a transmission (16) with a transmission shaft (18). The transmission shaft (18) is rotatably mounted in a first housing section (22) with a first rolling bearing (20) and the rotor shaft (14) is rotatably mounted in a second housing section (26) with a rolling second bearing (24). The transmission shaft (18) and the rotor shaft (14) are coupled to one another in a rotationally fixed manner. A third rolling bearing (28), which has an inner bearing ring (30), is arranged at the transition between the transmission shaft (18) and the rotor shaft (14), The inner bearing ring (30) is in contact with the rotor shaft (14) and the transmission shaft (18) with its inner surface (32).

Abstract: An intermediate shaft includes a first hollow shaft portion in which a plurality of grooves are formed in a longitudinal direction thereof, a second hollow shaft portion coupled at one end thereof to a first slip member, provided to be accommodated inside the first hollow shaft portion, and slipped into the first hollow shaft portion when a collision occurs, and a shaft portion to which a second slip member is coupled, provided to be accommodated inside the second hollow shaft portion, and slipped into the second hollow shaft portion when the collision occurs. A first press-in portion is formed on an inner circumference of the first hollow shaft portion to protrude therefrom, thereby pressing and supporting the first slip member.

Abstract: A damping mechanism for providing vibration damping between coaxially mounted first, outer, shaft and second, inner, shaft of a drive train. The damping mechanism includes a friction disk, a Belleville spring and an adjustment shim arranged to be mounted under a pre-load force within the first shaft exerting a force against the second shaft, the damping mechanism arranged to be secured in the first shaft by a locking nut.

Abstract: A metallic coupling for a drive shaft includes a first cylindrical flange extending axially along a center axis and a second cylindrical flange extending axially along the center axis and spaced axially from the first cylindrical flange. The metallic coupling also includes a first plurality and a second plurality of connectors. Each connector of the first plurality of connectors extends from the first cylindrical flange to the second cylindrical flange and are spaced circumferentially apart from each other about the center axis. Each connector of the second plurality of connectors also extends from the first cylindrical flange to the second cylindrical flange and are spaced circumferentially apart from each other about the center axis. The second plurality of connectors are radially inward from the first plurality of connectors relative to the center axis. An annular gap is radially between the first plurality of connectors and the second plurality of connectors.

Abstract: A constant velocity joint configured to be coupled to an interconnecting shaft includes: an outer race forming a plurality of outer ball tracks; an inner race forming a plurality of inner ball tracks; a ball cage interposed between the outer race and the inner race and forming a plurality of windows; and a plurality of torque transmitting balls. The outer race and the inner race are configured to implement an angular articulation function that allows for relative angular displacement therebetween, and the inner race is coupled to the interconnecting shaft via a ball spline coupling structure to implement a length displacement function. The ball spline coupling structure includes: an outer spline groove; an inner spline groove; a sleeve member interposed between the inner race and the interconnecting shaft; and a plurality of spline balls, with said spline balls being accommodated within a sleeve window formed on the sleeve member.

Abstract: A composite shaft includes a plurality of composite elements arranged about an axis to form a hollow shaft with at least one undulation. The plurality of composite elements incudes a first group of the composite elements arranged about the axis offset by an angle +? and a second group of the composite elements arranged about the axis offset by an angle ?? to form a web with the first group of composite elements. The first and second groups of the plurality of composite elements are configured to cooperate with one another to allow the hollow shaft to be flexible under axial load and stiff under rotational load.

Abstract: A surgical tool including a socket having a housing and an aperture within the housing, the socket configured to receive a ball and a pin at least partially in the aperture. The ball is positioned at least partially in the socket and configured to rotate within the socket, the ball comprising an elongated opening extending through the ball. The pin is coupled to the socket and disposed at least partially in the socket on opposite sides of the socket, the pin including a first longitudinal axis and extending through the elongated opening of the ball between opposite sides of the socket. The ball is configured to partially rotate about the first longitudinal axis of the pin, and partially rotate, about a second axis perpendicular to the first longitudinal axis of the pin, in a plane aligned with the elongated opening.

Abstract: A flexible coupling includes a first flange and a second flange, wherein in a relaxed state the first flange and the second flange are each aligned along a longitudinal axis. A plurality of first coupling members extends from the first flange. Each first coupling member includes a first and second driving beam meeting at a first node to form a topologically triangular truss. A plurality of second coupling members extend from the second flange. Each second coupling member includes a first and second driven beam extending from the second flange and meeting at a second node to form a topologically triangular truss. The first node of each of the first coupling members is connected to the second node of a respective one of the second coupling members.

Abstract: A constant velocity joint includes: an outer race forming a plurality of outer ball tracks; an inner race forming a plurality of inner ball tracks; a ball cage interposed between the outer race and the inner race; and a plurality of torque transmitting balls. The inner race is coupled to the interconnecting shaft via a ball spline coupling structure to implement a length displacement function through relative axial displacement along an axial direction of the interconnecting shaft. The ball spline coupling structure includes: an outer spline groove; an inner spline groove; a sleeve member interposed between the inner race and the interconnecting shaft; and a plurality of spline balls. The outer race comprises an inner circumferential surface having a shape of a spherical surface with a first diameter, and a diagonal length of the inner race is smaller than the first diameter.

Abstract: The protection system (5) comprises a first tubular member (13) and a second tubular member (15) which can be slidably inserted into each other and a protection (8) at one end of the first tubular member (13). The protection comprises a protective boot (40) and a first annular element (21) fixed to the first tubular member (13). Further provided for is a second annular element (33) which can be torsionally coupled to the first annular element (21) and which can be decoupled therefrom by means of a mutual movement between the first annular element (21) and the second annular element (33) in a direction approximately parallel to the axis (A-A) of the first tubular member (13). The second annular element (33) is coupled to the protective boot (40) which is provided with members (49) for coupling to a stationary plate (51) which can be connected to a power take-off (9). A drive shaft provided with such a protection system is also described.

Abstract: A friction generating mechanism of a damper apparatus includes a bushing in contact with an annular friction surface of a spline hub, and a cone spring arranged in a compressed state between a retaining plate and the bushing. A first load support surface of the bushing and a second load support surface of the retaining plate have step portions recessed so as to respectively receive an outer peripheral edge and an inner peripheral edge of the cone spring, when the taper of the cone spring is reversed. The radial positions of boundaries of the step portions are in a relationship of D1>D2, which inhibits the cone spring from being reversed even when an excessive load in the axial direction is input.

Abstract: A propeller shaft PS is provided with a boot protection member 5. The boot protection member 5 is detachable to a first rotation member 1. In this configuration, when the angle variation of a constant velocity joint 3 becomes large, an insertion portion 57 of the boot protection member 5 is interposed between a first cover part 41 and a second cover part 42. Consequently, the interference of the first cover part 41 with the second cover part 42 is suppressed, thereby suppressing the damage of the second cover part 42.

Abstract: The present invention relates to a rotor shaft and a method for producing a rotor shaft.

Abstract: A propeller shaft assembly for an aircraft engine includes a shaft having a bore extending through the shaft at a front end thereof, the front end of the shaft having an outer surface facing radially outwardly from the shaft and an inner surface spaced apart from the outer surface and facing radially inwardly to the bore. A front flange extends radially outwardly on the outer surface, the front flange defining a hub side surface adapted to abut with a propeller hub. A reinforcement rib extends radially inwardly towards a central axis of the shaft. At least part of the reinforcement rib is radially aligned with the front flange.

Abstract: An inner joint member has, on an opening portion side of an outer joint member, a holding portion that has a bottomed concave shape into which a sleeve for supporting a boot covering the opening portion is press-fitted, and a relief portion that is provided on part of a convex outer spherical surface at the opening portion side, and that has a smaller diameter than an outer diameter of the convex outer spherical surface corresponding to a press-fitting range of the holding portion into which the sleeve is press-fitted.

Abstract: A drive shaft assembly includes an outer shaft, an inner shaft, and an interface medium. The outer shaft defines a central channel. The inner shaft extends into the central channel and defines a clearance gap between an interior surface of the outer shaft and an exterior surface of the inner shaft. The interface medium is disposed in the clearance gap and rotationally couples the outer shaft and the inner shaft in an operational state of the drive shaft assembly. In response to a temperature of the drive shaft assembly exceeding a threshold temperature, the interface medium at least partially melts and rotationally uncouples the outer shaft and the inner shaft in a fault state of the drive shaft assembly.

Abstract: A counter track joint comprises an outer joint part, an inner joint part, first pairs of tracks widening towards the opening side of the outer joint part when the counter track joint is aligned, and second pairs of tracks widening towards the connecting side of the outer joint part when the counter track joint is aligned; a ball in each of the first and second pairs of tracks; a ball cage having circumferentially distributed cage windows each receiving one of the balls, wherein one of the outer ball track group and the inner ball track group is hardened and hard machined, and the other of the outer ball track group and the inner ball track group is soft finished and subsequently hardened. A method of manufacturing a counter track joint is provided.