Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1977-09-06
1983-05-10
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074R, 180268, 180270, 280807, A62B 3502, B65H 7548
Patent
active
043825630
ABSTRACT:
A seat belt winding apparatus for a vehicle comprises a winding reel and spring means having one end connected to the winding reel and the other end connected to a stationary part of the apparatus. The spring means is constituted by two spiral springs connected to each other though an interposed ratchet gear rotatably mounted on a stationary part of the apparatus. There is provided for controlling rotation of the ratchet gear controlling means which includes a pawl adapted to releasably engage with the ratchet gear, electro-magnetic means for selectively actuating the pawl and a switch which responds to the states of the vehicle to selectively energize the electro-magnetic actuator means, thereby to control the combined force of the first and second springs in dependence on whether the pawl is engaged with the ratchet gear or not and hence in dependence upon the prevailing states of the vehicle.
REFERENCES:
patent: 2159004 (1939-05-01), Bosch
patent: 3007653 (1961-11-01), Becker
patent: 3301503 (1967-01-01), Browning
patent: 3337155 (1967-08-01), Binding
patent: 3384321 (1968-05-01), Becker et al.
patent: 3880364 (1975-04-01), Andres
patent: 3929210 (1975-12-01), Cutler et al.
patent: 3952966 (1976-04-01), Burleigh
patent: 3957223 (1976-05-01), Colasanti et al.
patent: 3984063 (1976-10-01), Knierieman
patent: 4002219 (1977-01-01), Steinmann
patent: 4026494 (1977-05-01), Tanaka
Kawaharazaki Takashi
Morita Masayuki
Shimogawa Toshiaki
Jillions John M.
Nippon Soken Inc.
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