Lubricating device for lubricating the profiled tubes of a telescopic shaft
AssigneeGKN Walterscheid GmbH
InventorsHorst Kretschmer, Hans Jurgen Langen
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Abstract
A lubricating device (13) for a telescopic shaft has a lubricating element and a reservoir. The lubricating device (13) is inserted into a cavity (18) of the inner profiled tube (7). The lubricating device (13) serves to lubricate the surface portions of the outer and inner profiled tubes (6, 7), which slide on one another. Thus, it is possible to achieve permanent lubrication.
Claims7
A lubricating device for lubricating at least one sliding face portion of a telescopic shaft having an inner and an outer profiled tube which are inserted into one another, the tubes transmit torque and are displaceable relative to one another along a longitudinal axis and a lubricating element associated with the inner profiled tube passing lubricant through the lubricating element to a sliding face portion of the tubes to be lubricated, the lubricating element comprising:
- a housing;
- at least one lubricating valve provided with a tappet, said tappet enabled to contact the sliding face portion of the outer profiled tube, and said tappet projecting out of the housing through a valve bore;
- a valve body associated with the tappet, said valve body sealingly contacting a seat of the housing;
- a guiding channel, through which lubricant can be moved to the sliding face portion;
- a spring for loading the valve body;
- and
- a reservoir for supplying the lubricating element with lubricant.
Dependencies are inferred from the claim text.