Pressure activated seat belt locking mechanism

Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...

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Details

24603, 24640, A44B 1125

Patent

active

051828367

ABSTRACT:
A pressure activated seat belt locking device is disclosed for allowing an operator from a remote location to control the locking or unlocking of seat belts such as those used on amusement park type rides, or elsewhere. The seat belt locking device has a buckle portion into which a latching tongue is inserted and held into place by a retractable element which extends through an aperture in the latching tongue. The latching tongue can be removed from the buckle by depressing a release latch to disengage the retractable element from the aperture. The seat belt locking device is provided with a pneumatically inflatable air bladder which is exerted against a pivotable lever lock when properly inflated. The inflation of the air bladder causes the lever lock to pivot and bear against the lower end of the release latch, such that the release latch cannot be depressed by the user of the seat belt to disengage the retractable element from the latching tongue. Accordingly, the seat belt is retained in the locked position until the air bladder is deflated such that the lever lock pivots away from the release latch.

REFERENCES:
patent: 3194582 (1965-07-01), Kutz
patent: 3744102 (1973-07-01), Gaylord
patent: 3766611 (1973-10-01), Gaylord
patent: 3963090 (1976-06-01), Hollins
patent: 4144423 (1979-03-01), Fohl
patent: 4385425 (1983-05-01), Tanaka et al.
patent: 4413384 (1983-11-01), Lassche
patent: 4428103 (1984-01-01), Wier
patent: 4553625 (1985-11-01), Tsuge et al.
patent: 4575908 (1986-03-01), Gloomis et al.
Electrolux Autoliv miscellaneous drawings and specifications for Volvo seat belt mechanism (various dates, including 1983, 1987 and 1988). (6 pages).

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