Prewound retractor spring housing assembly

Details Prewound retractor spring housing assembly Prewound retractor spring housing assembly

1978-01-06

1979-07-03

Hornsby, Harvey C.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

29418, 29446, 185 45, B65H 7548, F03G 108

Patent

active

041598091

ABSTRACT:
A prewound retractor spring housing assembly for mounting to a preassembled safety belt retractor having a storage reel shaft end protruding from a side wall of the retractor, the shaft end having a retraction spring end receiving slot, has a spring mounting base means for receiving a retractor coil spring to be prewound thereon, spring cup means for encompassing the coil spring when prewound on the base means and for cooperating with the base means to prewind the spring to a desired prewound condition, means for locking the cup means to the base means and means for mounting the assembly to the safety belt retractor in a manner to automatically place the prewound spring in biasing relation to the safety belt reel.

REFERENCES:
patent: 2602958 (1952-07-01), Brown
patent: 3062479 (1962-11-01), Griffitts
patent: 3384321 (1968-05-01), Becker et al.
patent: 3447229 (1969-06-01), Clark
patent: 3694588 (1972-09-01), Appleton
patent: 4045079 (1977-08-01), Arlauskas et al.

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