Locking device for a safety belt retractor

Details Locking device for a safety belt retractor Locking device for a safety belt retractor

1977-10-26

1980-01-29

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3502, B65H 7548

Patent

active

041857925

ABSTRACT:
This invention relates to a locking device for a safety belt retractor comprising a reel shaft and a ratchet wheel provided with locking teeth and engageable with pawls, characterized by the fact that a synchronization disk (5) bearing actuating parts (16) engageable with a pawl (13) and provided with at least a first disengagement device (9), and an axially undisplaceable ratchet wheel (4) with at least a complementary second disengagement device (8) are disposed on said reel shaft (1), that when the synchronization disk (5) and the ratchet wheel (4) rotate relative to each other, at least a part of the synchronization disk (5) is deformed or displaced to actuate locking by the pawl (13) and that actuation chronologically precedes locking.

REFERENCES:
patent: 2899146 (1959-08-01), Barecki
patent: 2992790 (1961-07-01), Cushman et al.
patent: 3100609 (1963-08-01), Wrighton
patent: 3917189 (1975-11-01), Bryll
patent: 3979083 (1976-09-01), Fohl

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