Driving device especially for return stiffening of a safety belt in an automatic safety belt wind-up device
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United States of America Patent
Stats
-
Mar 4, 1986
Issued Date -
N/A
app pub date -
Jun 28, 1985
filing date -
Oct 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driving device having a piston pyrotechnically driven in a cylinder, the piston being connected by pulling means to an element to be driven, the cylinder having a stroke limit stop at a rear end thereof, as viewed in driving direction of the piston in the cylinder, includes damping means disposed between the piston and the stroke limit stop of the cylinder, the damping means braking the piston in a predetermined manner upon failure of the pulling means.
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