Driving device

Details Driving device Driving device

1981-09-10

1984-04-17

Garrett, Robert E.

Power plants

One shot explosion actuated expansible chamber type motor

92172, 92244, 277205, F02N 1300, F16J 1500

Patent

active

044426747

ABSTRACT:
Driving device with a curved cylinder in which a spherical piston is guided and can be driven by a gaseous or liquid propellant, preferably for a pyrotechnical driving device for a back-tightening device of a safety belt system. The spherical piston, the diameter of which is smaller than the smallest inside width of the cylinder is connected on the driving side to a resilient sealing element which adapts itself in accordance with the changing cross-sectional shape of the curved cylinder.

REFERENCES:
patent: 2707002 (1955-04-01), Harris
patent: 3023576 (1962-03-01), Musgrave
patent: 3071114 (1963-01-01), Hardy, Sr.
patent: 3318202 (1967-05-01), Means
patent: 3576153 (1971-04-01), Doutt
patent: 3871470 (1975-03-01), Schwanz et al.
patent: 4246833 (1981-01-01), Burklund
patent: 4281590 (1981-08-01), Weaver

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