Abstract: A dual clutch has the usual driving member, two pressure plates and two driven plates frictionally engaged between a pressure plate and the driving member. The clutch also has a conventional cover member. The spring arrangement for providing a clamp load on the driven members between the driving members and the pressure plates is made up of two separate springs. One spring is a diaphragm spring, complete with inwardly extending release fingers, which act between the cover member and the main or first pressure plate. The second spring is a belleville spring which is less strong than the first mentioned spring, and acts between the two pressure plates to provide the clamp load for the second pressure plate but reduce the clamp load for the main pressure plate.

Abstract: A universal joint with outer and inner joint members connected for torque transmission, the inner joint member being received in a cavity in the outer joint member and having a bore in which a shaft is detachably received, has a flexible sealing member which is connected between the outer and inner joint members and has a sealing formation which engages the shaft when present to exclude dirt from the bore in the inner joint member.