A fluid path for a plug-in constant velocity joint assembly between a boot sleeve and a boot. The boot sleeve has a first end portion and a second end portion. The first end portion is disposed against and is in driving engagement with an inner race. The boot sleeve second end portion defines an inner ridge, a sleeve channel and an outer ridge. The boot has a first end portion and a second end portion. The second end portion comprises an inner seal where the inner seal comprises an inner axial groove and an outer axial groove. A fluid path is formed between the inner ridge and the boot, between inner axial groove and the sleeve, in the sleeve channel, between the outer axial groove and the sleeve and between the outer ridge and the boot.

A constant velocity joint for a vehicle includes: an axle housing fixed to a knuckle by a hub bearing; a joint assembly inserted into an inner diameter portion of the axle housing and configured to transmit power from a shaft to the axle housing through a plurality of joint balls; an extension portion formed by deforming an end portion of the axle housing on an inward side of a vehicle body to extend in a radial direction of the axle housing so as to provide a pressing force to an inner race of the hub bearing in an axial direction of the axle housing; and a boot having one side surrounding an outer side of the extension portion to be coupled to the extension portion so as to form a restraining force between the extension portion and the boot in the axial direction.

A boot assembly for a constant velocity joint includes a boot having a neck portion arranged to be received over a shaft that is coupled to the constant velocity joint, and a retainer or insert which may include a vent. The retainer or insert may be carried by the neck portion and has at least one flex feature to facilitate flexing thereof. The insert may have at least one projection that extends radially inwardly from the neck portion and defines part of an inner surface of the boot, or at least one vent path defined therein to facilitate venting of one or more chambers defined at least in part by the boot.

A motor drive unit, in which an output end of a motor drive system using an electric motor as a power source and a rotator rotatably supported by a bearing unit are arranged side by side in an axial direction, and the output end of the motor drive system and the rotator are drivingly coupled in a relatively displaceable manner by a coupling member in which a plurality of couplers spaced apart in an axial direction are set. The bearing unit of the rotator is arranged such that a center of displacement of the rotator defined by the bearing unit is located between an arbitrary pair of couplers among the couplers.

A motor drive unit, in which an output end of a motor drive system using an electric motor as a power source and a rotator rotatably supported by a bearing unit are arranged side by side in an axial direction, and the output end of the motor drive system and the rotator are drivingly coupled in a relatively displaceable manner by a coupling member in which a plurality of couplers spaced apart in an axial direction are set. The bearing unit of the rotator is arranged such that a center of displacement of the rotator defined by the bearing unit is located between an arbitrary pair of couplers among the couplers.

A coupling assembly having a first member drivingly connected to a second member via one or more third members. A first shaft is drivingly connected to the first member and a second shaft is drivingly connected to the second member. The second member includes a flange portion having one or more seating portions on a first end portion of the flange. Additionally, the flange has one or more flange portion attachment apertures extending from the seating portions to a second end portion of the flange. An increased diameter portion of the second shaft has one or more increased diameter portion apertures extending from a first end portion to a second end portion. The flange portion apertures and the increased diameter portion apertures have a center-line with an angle from an axial center-line of the assembly. Additionally, the seating portions have an angle relative to a radial center-line of the assembly.

Apparatus, such as a propeller shaft, includes an outer circumferential portion or outer race to rotate as a unit with an internal shaft (serving as the propeller shaft), an inner circumferential member or inner race to rotate as a unit with an external shaft and a plurality of balls disposed between the outer race and inner race, for transmitting rotation therebetween. A sleeve rotating as a unit with the inner race includes an inside cavity for receiving the external shaft. The sleeve is coated with a coating formed on an inside circumferential surface.

A boot for protecting the male and female elements of a transmission joint, one element is formed by a transmission shaft having radial arms for carrying rollers, the other is formed by a bell housing suitable for at least partially receiving the rollers suitable to be inserted into the bell housing's open end, the boot, has an elongate hollow body enabling the shaft to pass there through, with a “first” one of its ends suitable for being secured to the shaft, and its “second” end suitable for being positioned in overlapping and interfitting manner over the bell housing's open end. This boot has an internal peripheral shoulder, whose surface that faces towards the second end of the boot is provided with at least two recesses which open towards the second end, the inside of each recess forming a seat having a concave bearing surface for receiving a roller in thrusting contact.

A constant velocity joint assembly with a crash collapse feature. The constant velocity joint assembly includes an inner race, an outer race, a cage and one or more torque transfer elements. The inner race is drivingly connected to a first shaft and the outer race is connected to a second shaft. Circumferentially extending along at least a portion of an inner surface of the outer race is one or more outer race torque transfer element grooves. One or more crash collapse features circumferentially extend radially inward from at least a portion of the inner surface of the outer race and are disposed directly adjacent to the one or more outer race torque transfer element grooves in the outer race. The one or more crash collapse features are disposed entirely between the one or more outer race torque transfer element grooves and do not extend axially beyond the grooves.

A protective device for a universal shaft (3) has an attachment element (6), a tubular guard (7) and at least one latching device (24, 25). The attachment element (6) is positioned around a shaft journal (2) projecting from a housing (1). The tubular protective protective guard (7) extends along a longitudinal axis L and is positioned around a universal shaft (3) connected to the shaft journal (2). The at least one latching device (24, 25) attaches the protective guard (7) on the attachment element (6). The protective guard (7) has at least one joining lines (9, 10) extending in the longitudinal direction L. The protective guard (7) can be separated and opened to receive the universal shaft (3).