Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1988-04-04
1989-08-08
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421076, B60R 2234
Patent
active
048545228
ABSTRACT:
A vehicle safety apparatus includes a safety belt retractor having a reel which is urged to rotate in a belt retraction direction. A comfort assembly is operable between an engaged condition blocking rotation of the reel in the belt retraction direction and a disengaged condition. The comfort assembly includes a manually actuatable push button which initiates operation of the comfort assembly from the disengaged condition to the engaged condition. The comfort assembly also includes a blocking member which blocks movement of a pawl into engagement with a ratchet wheel until the push button has been actuated. The comfort assembly further includes a cam which also blocks movement of the pawl into engagement with the ratchet wheel until the reel has been rotated in a belt retraction direction through at least a major portion of a revolution of the reel. The comfort assembly accommodates limited movement of an occupant in a vehicle. However, if the movement of the occupant of the vehicle is effective to withdraw more than a predetermined length of belt from the reel, the comfort assembly is disengaged and cannot be reengaged until the push button is again actuated.
REFERENCES:
patent: 3491966 (1970-01-01), Curran et al.
patent: 3598335 (1971-08-01), Seager
patent: 3664599 (1972-05-01), Partridge
patent: 3682412 (1972-08-01), Kuszynski
patent: 3700184 (1972-10-01), Francis
patent: 4293107 (1981-10-01), Ziv
patent: 4386745 (1983-06-01), Patel et al.
Brown Louis R.
Higbee Wallace C.
Jillions John M.
TRW Vehicle Safety Systems Inc.
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