Chairs and seats – Body or occupant restraint or confinement – Safety belt or harness; e.g. – lap belt or shoulder harness
Patent
1983-01-11
1985-05-28
Lyddane, William E.
Chairs and seats
Body or occupant restraint or confinement
Safety belt or harness; e.g., lap belt or shoulder harness
180268, 200 6158B, 2421074R, 280807, 297475, A62B 3500
Patent
active
045196524
ABSTRACT:
A strap retractor assembly of a vehicular seat belt arrangement including a retaining strap to be fitted to a vehicle occupant, comprising a reel shaft having the strap anchored thereto at one end of the strap, a spring urging the reel shaft to turn in a direction to have the strap re-wound on the reel shaft, a ratchet wheel rotatable with the reel shaft, a pawl member movable into and out of a position engaging the ratchet wheel and prohibiting the reel shaft from being turned in the aforesaid direction, a switch unit to produce first pulses in response to rotation of the reel shaft in one direction and second pulses in response to rotation of the reel shaft in the opposite direction, a pulse counter to count the first pulses forwardly and the second pulses backwardly, a comparator to compare the number of the pulses counted by the counter with a predetermined number of pulses and to produce a control signal when the former equals the latter, and a solenoid-operated actuator to drive the pawl member into the aforesaid position in response to the control signal.
REFERENCES:
patent: 3767134 (1973-10-01), Morales
patent: 3771742 (1973-11-01), Okada
patent: 3913860 (1975-10-01), Takada
patent: 3986093 (1976-10-01), Wakamatsu et al.
patent: 3987864 (1976-10-01), Iijima et al.
patent: 4236141 (1980-11-01), Terabayashi et al.
patent: 4344502 (1982-08-01), Terabayashi
patent: 4346778 (1982-08-01), Bluggel
patent: 4387862 (1983-06-01), Sakurada et al.
patent: 4489804 (1984-12-01), Kamijo
Ser. No. 457,129 to Ken Kamijo, Filed Jan. 11, 1983.
Brown Peter R.
Lyddane William E.
Nissan Motor Company Limited
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