Winding – tensioning – or guiding – Reeling device – With spring motor
Patent
1994-09-19
1996-03-05
Jillions, John M.
Winding, tensioning, or guiding
Reeling device
With spring motor
B60R 22415
Patent
active
054959934
ABSTRACT:
A seat belt retractor provides a base, a ratchet plate attached to a winding shaft for winding a webbing, a ratchet member rotatable with the winding shaft in a webbing draw-out direction for locking a rotation of the winding shaft in the webbing draw-out direction by engaging a pawl with the ratchet plate, a lock arm rotatable at a first position where the lock arm engages with the ratchet plate and a second position where the lock arm does not engage with the ratchet plate, a control plate rotated corresponding to the rotation of the winding shaft, and an operation mode switching lever having a guide pin projected at a swing end portion for rotating the lock arm to the first position and the second position, the guide pin being guided by a guide groove of the control plate, in which the guide groove includes first and second cam grooves for guiding the guide pin of the operation mode switching lever so as to rotate the lock arm to the second and first position, respectively, and a switching area provided so as to connect an end point of the first cam groove to a start point of the second cam groove, and operated to deliver the guide pin to the second cam groove for switching the lock arm from the second position to the first position.
REFERENCES:
patent: 4436255 (1984-03-01), Matsui et al.
patent: 4566649 (1986-01-01), Petersen
patent: 4583701 (1986-04-01), Matsui
patent: 4729524 (1988-03-01), Befort et al.
patent: 4811912 (1989-03-01), Takada
patent: 4948066 (1990-08-01), Matsumoto et al.
patent: 5232177 (1993-08-01), Hibata
patent: 5257754 (1993-11-01), Hishon
patent: 5294070 (1994-03-01), Sugano et al.
Jillions John M.
NSK Ltd.
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