Safety belt take-up device

Details Safety belt take-up device Safety belt take-up device

1978-09-11

1980-02-26

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, A62B 3502, B65H 7548

Patent

active

041902130

ABSTRACT:
A safety belt take-up device provided with a double sensing type emergency-lock mechanism comprises webbing draw acceleration sensing means, vehicle acceleration sensing means, first transmission means and lock means. The webbing draw acceleration sensing means may shift from a first position to a second position when a webbing is drawn out at an acceleration greater than a predetermined value. The vehicle acceleration sensing means may shift from a first position to a second position when the vehicle acceleration has exceeded a predetermined value. The first transmission means is connectible to a take-up spindle along with the shift from the first position to the second position of the webbing draw acceleration sensing means and/or the vehicle acceleration sensing means and adapted to shift from a first position to a second position due to the webbing draw-out force. The lock means may prevent the draw-out of the webbing when the first transmission means has shifted to its second position.

REFERENCES:
patent: 3450368 (1969-06-01), Glauser et al.
patent: 3482799 (1969-12-01), Wrighton et al.
patent: 3578260 (1971-05-01), Kell
patent: 3991953 (1976-11-01), Takada
patent: 4059242 (1977-11-01), Tanaka
patent: 4083511 (1978-04-01), Ikesue

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