Land vehicles – Wheeled – Attachment
Patent
1978-11-20
1980-04-22
Song, Robert R.
Land vehicles
Wheeled
Attachment
2421076, A62B 3500
Patent
active
041991729
ABSTRACT:
A seat belt retractor having a tension eliminating mechanism and a belt position memorizing mechanism comprises a shaft on which the belt is wound up when the shaft rotates in one direction, biasing means biasing the shaft to rotate in the one direction, a sun gear fixedly mounted on the shaft, a stationary internal gear mounted around the shaft, a planetary gear operatively interposed between the sun gear and the internal gear, a discal carrier coaxial with the shaft and having thereon a stud on which the planetary gear is journaled an external gear coaxial with the shaft and having a projection which is engageable with another projection formed on the discal carrier when the carrier is rotated relative to the external gear, biasing means biasing the discal carrier to rotate in a direction to allow the projection on the carrier to engage the projection on the external gear, a stopper meshingly engageable with the external gear to lock the same, and an actuator causing the stopper to engage with the external gear when the webbing takes a passenger restraining position.
REFERENCES:
patent: 3682412 (1972-08-01), Kuszynski
patent: 3700184 (1972-10-01), Francis
patent: 3908928 (1975-09-01), Okada
patent: 3917189 (1975-11-01), Bryll
Fukunaga Yukio
Kamijo Ken
Nissan Motor Company Limited
Schrecengost Randall A.
Song Robert R.
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