Locking device for a safety belt of winding-up type intended for

Details Locking device for a safety belt of winding-up type intended for Locking device for a safety belt of winding-up type intended for

1975-07-07

1977-06-28

Gilreath, Stanley N.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3500, B65H 7548

Patent

active

040320804

ABSTRACT:
The present invention relates to a locking device for a safety belt of winding-up type comprising a ratchet wheel provided to rotate when the belt is pulled out and a pawl mechanism arranged to stop the rotation of the ratchet wheel when the device is subjected to abnormal acceleration forces. The mechanism comprises a spring link which is arranged with one of its ends under spring bias to influence the pawl mechanism to be in a releasing or a locking position alternatively. A portion of the spring link opposed to said end is provided to be moved relative to the pawl mechanism in such a way that in one position the pawl mechanism is urged in a direction towards the releasing position, and in a second position in a direction towards the locking position, which movement is actuated by an inertia body sensitive to acceleration forces.

REFERENCES:
patent: 2706603 (1955-04-01), Miller
patent: 2760737 (1956-08-01), Barecki
patent: 3830444 (1974-08-01), Sargeant
patent: 3897913 (1975-08-01), Hall

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