Worm gear clamping apparatus

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

24/31.1

F16L 33/08 (2006.01)

Patent

CA 1066033

ABSTRACT A worm gear clamping apparatus including a molded, one-piece worm gear drive head and strap assembly, the end of the strap oppositely disposed from the worm gear drive head defining partial internal threads on its outward surface. The apparatus also includes a molded worm member having external threads and an elongated flexible guide portion projecting forwardly of the threads. The worm gear drive head defines a strap-receiving opening for receiving the opposite end of the strap, and also defines a worm chamber configured to receive the external threads of the worm member. The forward end of the worm gear drive head defines a journal opening for receiving the elongated guide portion axially movable therein. The worm gear drive head also includes a sloped, rearward surface, and the elongated guide portion of the worm member is long enough that when the worm member is moved to its rearwardmost position, it may be flexed so that the external threads are disengaged from the partial internal threads so as to permit free axial movement of the strap member relative to the worm gear drive head.

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