Seat belt retractor assembly

Details Seat belt retractor assembly Seat belt retractor assembly

1984-08-13

1986-08-12

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

B60R 2240

Patent

active

046051805

ABSTRACT:
An improved seat belt retractor of the emergency locking variety is described. The primary improvement resides in providing a spur gear component which is insert molded directly onto one of the toothed sprockets of the retractor spool. By eliminating the two-piece prior art assembly, and molding the spur gear directly onto the toothed sprocket, the spur gear strength characteristics are vastly improved. Moreover, the relative positioning between the teeth of the spur gear and those of the toothed sprocket may be controlled with a very high degree of accuracy. This design further eliminates the required step of assembling the spur gear and sprocket together, and avoids problems of these components becoming separated during assembly or use.

REFERENCES:
patent: 3868068 (1975-02-01), Heath
patent: 4083511 (1978-04-01), Ikesue
patent: 4437623 (1984-03-01), Wyder
patent: 4453681 (1984-06-01), Gueguen et al.
patent: 4483495 (1984-11-01), Honl

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