Device for causing rotation, having a pressurized tubular drive

Details Device for causing rotation, having a pressurized tubular drive Device for causing rotation, having a pressurized tubular drive

1978-04-06

1980-03-04

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074R, 280807, 297476, A62B 3500, B65H 7548

Patent

active

041913442

ABSTRACT:
A device for causing the rotation of a movable element which is connected to a displaceable component such as a safety belt used for protecting people in a vehicle is described. The rotary device includes drive means which comprises at least one flexible tube which is rolled up and can be expanded under the action of a pressurized fluid, and, preferably, the pressurizing component is a pyrotechnic gas generator placed inside the flexible tube which is rolled up in a helix or a spiral. The device may be used for protection of an individual in a moving vehicle by means of a safety belt. The device can be actuated by a collision detector.

REFERENCES:
patent: 3481253 (1969-12-01), Floyd
patent: 3695148 (1972-10-01), Baginski et al.
patent: 3871470 (1975-03-01), Scwanz et al.
patent: 3976257 (1976-08-01), Fohl

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