Winding – tensioning – or guiding – Reeling device – With spring motor
Patent
1994-08-24
1996-12-31
Jillions, John M.
Winding, tensioning, or guiding
Reeling device
With spring motor
B60R 2246
Patent
active
055886086
ABSTRACT:
A pretensioner is disclosed which, when a vehicle suddenly decelerates, a large quantity of gas is generated, and the gas flows into a cylinder from a gas-generating a device. As a result of pressure of the gas, a movable pulley moves instantaneously together with a piston, so that the wire trained around the movable pulley is pulled. An amount by which a wire is pulled is twice an amount by which a wire is pulled in cases where the wire is directly connected to the piston, as in conventional devices. Accordingly, the wire can be pulled by the same amount by using only half of a length of a conventional cylinder, thus making it possible to manufacture a pretensioner which has a short cylinder.
REFERENCES:
patent: 4750759 (1988-06-01), Escaravage
patent: 5174409 (1992-12-01), Osawa
Ando Takayuki
Imai Keisuke
Kato Keiichi
Matsui Kenji
Teraoka Fuminori
Cole Thomas W.
Jillions John M.
Kabushiki Kaisha Tokai-Rika-Denki -Seisakusho
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