Locking mechanism adapted for use in webbing retractor

Details Locking mechanism adapted for use in webbing retractor Locking mechanism adapted for use in webbing retractor

1984-01-16

1986-07-01

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074A, B60R 2238, B65H 7548

Patent

active

045975434

ABSTRACT:
In a locking mechanism for a webbing retractor in which a plurality of lock plates rotated together with a takeup shaft winding an occupant-restraining webbing are moved in tangential directions of the takeup shaft in an emergency situation of a vehicle and teeth portions of the lock plates come into mesh with an internal gear ratchet wheel, whereby a webbing-unwinding rotation of the takeup shaft is stopped, the teeth portion of one of the lock plates is disposed nearer to the internal gear ratchet wheel than the teeth portion of the other lock plate, so that the teeth portion of the one of the lock plates comes into mesh with the internal gear ratchet wheel earlier than the teeth portion of the other lock plate.

REFERENCES:
patent: 3937416 (1976-02-01), Henderson
patent: 3985314 (1976-10-01), Booth
patent: 4177962 (1979-12-01), Hildebrandt
patent: 4467981 (1984-08-01), Mori et al.

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