Locking device for safety belts in motor vehicles

Details Locking device for safety belts in motor vehicles Locking device for safety belts in motor vehicles

1989-10-19

1991-07-09

Brittain, James R.

Buckles, buttons, clasps, etc.

Separable-fastener or required component thereof

Including member having distinct formations and mating...

A44B 1126

Patent

active

050293699

ABSTRACT:
The tongue at the free end of a safety belt in a motor vehicle is releasably connected to the buckle by a coupling member which can be disengaged from the tongue by a reciprocable release member. The latter can be depressed by hand to thereby pivot (either entirely or in part) prior to completing a translatory movement which results in disengagement of the coupling member from the tongue. If the buckle is abruptly accelerated during an accident, the release member tends to carry out the translatory movement without a preceding pivotal movement whereby a stationary blocking element intercepts a blocking element on the release member and holds the latter against movement to a position in which the coupling member is caused or permitted to release the tongue. Alternatively, the release member is mounted for translatory movement to thereby disengage the coupling member from the tongue. Abrupt acceleration of the buckle results in pivoting of the release member prior to completion of translatory movement; this results in interception of the blocking element on the release member by the other blocking element to thus prevent unintentional disengagement of the coupling member from the tongue.

REFERENCES:
patent: 4454634 (1984-06-01), Haglund
patent: 4542563 (1985-09-01), Befort
patent: 4575908 (1986-03-01), Gloomis et al.
patent: 4870726 (1989-10-01), Eksell et al.

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