Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1975-05-02
1977-06-07
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074B, A62B 3502, B65H 7548
Patent
active
040278298
ABSTRACT:
An improved flywheel and clutch mechanism is adapted for use in a safety belt retractor which has a vehicle-sensitive mechanism and a pawl. The improvement includes: a polymeric flywheel, a clutch plate, a mechanical member, a biasing means and a retaining means. The flywheel has a recess in the interior thereof. An outer circumferential surface of the flywheel has ratchet teeth thereon. The pawl is located adjacent to the ratchet teeth and can engage a ratchet tooth when the pawl is actuated by the vehicle-sensitive mechanism. The clutch plate is disposed within the recess. The mechanical member is rigidly affixed to the center of the clutch plate and extends from the exterior side of the clutch plate. The biasing means is disposed in the recess of the flywheel adjacent to an interior surface of the clutch plate. The biasing means presses against the clutch plate in a direction urging the clutch plate away from the flywheel. The retaining means is disposed around the outer circumferential ridge of the flywheel. The flywheel and clutch mechanism includes three embodiments: a lower torque embodiment; an intermediate torque embodiment; and a higher torque embodiment.
REFERENCES:
patent: 3446454 (1969-05-01), Kovacs et al.
patent: 3741496 (1973-06-01), Beller
Colasanti Arduino
Stephenson Robert Larry
Allied Chemical Corporation
Criss Roger H.
Gilreath Stanley N.
Jillions John M.
Kirby, Jr. John P.
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