Gkn Walterscheid Gmbh

Klaus K&auml;mpf

Wolfgang Adamek

A torque limiting coupling has a coupling hub ( ) with circumferentially distributed apertures ( ). Driving members ( ) are adjustably held in the apertures ( ). A coupling sleeve ( ) includes first recesses ( ). A switching disk ( ) is rotatably arranged between a coupling position and an uncoupling position. The switching disk ( ) is loaded towards the coupling position and loads the driving members ( ) towards the coupling hub ( ). The driving members ( ), for torque transmitting purposes, engage the first recesses ( ). When a torque limit is exceeded, the driving members ( ) are transferred into the uncoupling position. Here, second recesses ( ) are engaged by the driving members ( ) in the uncoupling position. A locking means ( ) is adjustable between a locking position, where the switching disk ( ) is locked in its uncoupling position, and a disengaging position. A retainer ( ) is adjustable between a retaining position, where the locking means ( ) is secured in its disengaging position, and a releasing position. A detent pawl ( ) is movable between a neutral position and a disconnecting position. In the disconnecting position, the detent pawl ( ) transfers the switching disk into the uncoupling position. In the disconnecting position, the detent pawl ( ) transfers the retainer into the retaining position.

Torque limiting coupling

A torque limiting coupling for a driveline for driving agricultural implements has a coupling hub (,) with first recesses (,) which receive adjustable driving members (,). The coupling hub (,) further includes second recesses (,) which include a spring assembly (,). Switching cams (,) of the spring assembly (,) load the associated driving member (,). A coupling sleeve (,) is arranged around the coupling hub (,). Covers (,) laterally seal the unit and laterally guide the coupling hub (,). Sealing rings (,) are provided to render the unit oil-proof. Oil at least partially fills the free space between the components. Thus, the unit ensures in the case overloading occurs, the driving members (,), which engage a groove (,) in the torque transmitting position, cannot return into the groove (34) until a relatively low rotational speed has occurred. At high relative rotational speeds, the oil contained in the grooves (,) during rotation prevents the driving members from re-entering the grooves (,).

Growing community of inventors

Lohmar, Germany

Klaus Kämpf

Growing community of inventors

Lohmar, Germany

Klaus K&auml;mpf

Klaus Kämpf