Overlock prevention mechanism for acceleration sensor

Details Overlock prevention mechanism for acceleration sensor Overlock prevention mechanism for acceleration sensor

1989-10-17

1990-12-25

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

B60R 2240

Patent

active

049796950

ABSTRACT:
An overlock prevention mechanism for a vehicle acceleration sensor used on a retractor for a seat belt device in a vehicle comprises an inertial body which moves in response to acceleration of the vehicle; a sensor casing on which the inertial body is mounted; a ratchet wheel which locks the retractor; and a composite sensor arm assembly comprising an upper sensor arm which is adapted to be engaged with the ratchet wheel and a lower sensor arm which is adapted to come into contact with the inertial body to transmit the movement of the inertial body to the upper sensor arm; and when the upper sensor arm is interlocked with the ratchet wheel, the lower sensor arm is forced toward the inertial body by a force activated from the ratchet wheel and transmitted through the upper sensor arm, so that the inertial body is pressed to the sensor casing against movement.

REFERENCES:
patent: 4085905 (1978-04-01), Lindbald
patent: 4108394 (1978-08-01), Oishi et al.
patent: 4351496 (1982-09-01), Fohl
patent: 4485986 (1984-12-01), Sugimoto
patent: 4607805 (1986-08-01), Burghardt et al.

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