Apparatus for tensioning a safety belt

Details Apparatus for tensioning a safety belt Apparatus for tensioning a safety belt

1976-01-21

1977-05-17

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7424214R, 180 82C, F16H 712, F16H 710, B60K 2700, B60R 1900

Patent

active

040234274

ABSTRACT:
Apparatus for tensioning a safety belt, in which tension is applied to the belt through the action of a piston in a working cylinder, includes a mechanism for blocking the reverse action of the piston in the cylinder following the application of pressure. The reverse motion blocking mechanism includes at least one wedge, movable along a slide surface in response to the application of gas pressure, and toothings on the piston into which the wedge may be lodged to prevent reverse motion of the piston following the application of tension to the safety belt.

REFERENCES:
patent: 3838746 (1974-10-01), Andres
patent: 3871470 (1975-03-01), Schwanz et al.
patent: 3942819 (1976-03-01), Schwanz et al.

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