Abstract: A monitoring device, an assembly and a method of assembling a monitoring device and a universal joint. The monitoring device may include a device housing including a body portion and a threaded portion extending from the housing portion, the threaded portion being configured to be inserted into and threadedly engage the port to connect the device housing to a trunnion housing of a universal joint for movement with the trunnion housing relative to a support; and a sensor positioned within the device housing to sense at least one characteristic of the universal joint.

Abstract: A guard for covering the union of two rotating drive shafts that are movable in a telescoping manner through a travel distance along a shaft axis includes inner, center and outer guard sleeves disposed about the shafts along the shaft axis. The sleeves are preferably cylindrical and concentric with the shaft axis. The center guard sleeve is radially disposed between the inner and outer guard sleeves in axially overlapping relation. A spring applies an axial force acting on the inner and center guard sleeves to maintain the overlap between the center guard sleeve and both of the inner and outer guard sleeves throughout the travel distance of the shafts. The center and inner guard sleeves are linked by a radial tab slideably retained in a slot in the inner guard sleeve.

Abstract: A torque overload coupler for a driveline allows limited free motion. In one embodiment, torque overload protection is provided by a friction slip clutch and tangs formed at the inner perimeter of a clutch plate fit into spaces between lugs defined on a hub to provide a limited range of free motion. In another embodiment, torque overload is provided by a shear pin and free motion is provided by the shear pin fitting into angular spaces between wings of a relatively rotatable hub.

Abstract: A torque overload coupler for a driveline allows limited free motion. In one embodiment, torque overload protection is provided by a friction slip clutch and tangs formed at the inner perimeter of a clutch plate fit into spaces between lugs defined on a hub to provide a limited range of free motion. In another embodiment, torque overload is provided by a shear pin and free motion is provided by the shear pin fitting into angular spaces between wings of a relatively rotatable hub.

Abstract: A shear element type torque overload clutch particularly adapted for an agricultural driveline has a compact shape in which the shear elements are arranged to move radially between the engaged and disengaged positions with the shear elements and the driving and driven parts of the clutch received within a cup shaped collar, which retains the shear elements radially. An electromagnetic coil, a permanent magnet or one or more springs may be used to axially shift the collar to the engaged position.