Detent arrangement for the coupling pin of an overload element,

Details Detent arrangement for the coupling pin of an overload element, Detent arrangement for the coupling pin of an overload element,

1992-08-19

1994-05-24

Crowder, Clifford D.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

464 36, 192 56R, F16D 702

Patent

active

053143817

ABSTRACT:
A detent arrangement is disclosed for the coupling pin of an overload element, particularly in an overload clutch, wherein a coupling pin is in form-locking engagement with the oppositely disposed clutch half, with such engagement being released when there is an overload; at its rear end, the pin is provided with the detent arrangement. This detent arrangement surrounds the rear pin end with a spring arrangement which is partially supported at the housing that accommodates it and otherwise at a collar of the coupling pin, with one end of the spring arrangement being supported by means of a slide ring and a plurality of locking elements that extend toward a cone envelope face of the coupling pin and a contact face of the housing. In this connection it is provided that, in the direction toward the opposite clutch half, the spring arrangement is supported by a radial shoulder of the coupling pin and the rear end of the coupling pin is provided with a cone envelope face for the locking elements with this cone envelope face extending radially outwardly away from the other clutch half. The locking elements are supported by the contact face in such a way that, if the coupling pin escapes due to an overload, the locking elements can be displaced in the direction toward the pin axis.

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