Novel locking mechanism and reel for retractor

Details Novel locking mechanism and reel for retractor Novel locking mechanism and reel for retractor

1978-05-22

1979-09-25

Hornsby, Harvey C.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, A62B 3502, B65H 7548

Patent

active

041688104

ABSTRACT:
An automobile retractor comprising: (a) a base (6); (b) a winding reel mounted for rotation on said base (6), said winding reel comprising a cylindrical hollow tube (12) having a slot (36) extending substantially along the length thereof, said slot having a first edge (34) and a second edge (35); (c) a locking dog (23) having teeth (39) and being mounted on the external peripheral surface of tube (12) for rotation relative thereto; (d) a locking ring (21) on base (6) disposed in potential mating relationship with locking dog (23); (e) locking dog (23) having an opening (28) therein and a projection (29) into opening (28), opening (28) fitting over one end of tube (12) with the projection (29) fitting into mating relationship with slot (36); (f) at least a significant portion (37) of the inner surface of said opening having a configuration that conforms with the outer peripheral surface of tube (12); (g) actuating ratchet wheel (43) rotatably mounted concentrically with respect to tube (12) and being connected to said locking dog via pin (45) and slot (49) whereby movement of said tube relative to said wheel causes the locking dog to rotate relative to said connection point and into locking engagement with said locking ring.

REFERENCES:
patent: 3698657 (1972-10-01), Kirchhoff et al.
patent: 4084765 (1978-04-01), Bonnaud

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