Device for preventing excessive tightness of seatbelts

Details Device for preventing excessive tightness of seatbelts Device for preventing excessive tightness of seatbelts

1977-03-24

1978-08-15

Hornsby, Harvey C.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3502, B65H 7548

Patent

active

041067223

ABSTRACT:
A seatbelt retractor including a means for preventing excessive tightness of the seatbelt during use. The seatbelt retractor including a frame, a seatbelt take-up spool having a torque applied thereto in a wind-up direction and rotatably coupled to the frame, at least one ratchet gear coupled to the take-up spool, a pawl pivotally coupled to the frame and engageable with the pawl gear such that the spool is prevented from winding up when the pawl engages with the ratchet gear, and a means for disengaging the pawl from the ratchet gear when the seatbelt is completely wound on the spool or so long as the seatbelt is being pulled out from the wound up state and for engaging the pawl with the ratchet gear when the seatbelt is being utilized.

REFERENCES:
patent: 2698146 (1954-12-01), Becker
patent: 3384108 (1968-05-01), Kern
patent: 3490715 (1970-01-01), Nicpon
patent: 3491966 (1970-01-01), Curran et al.
patent: 3834646 (1974-09-01), Heath
patent: 3851836 (1974-12-01), Sprecher
patent: 4002311 (1977-01-01), Fisher et al.

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