VEHICLE SEAT
First Claim
1. An operation device comprising:
- a lock mechanism having a drum case having a cylindrical drum wall, a lock spring containing a coil portion which is fitted into the drum wall and is locked by a friction force against the inner peripheral face of the drum wall, and a shaft guide mounted rotatably in the drum case and operated to exert or cancel a friction force of the lock spring;
a transmitting mechanism for transmitting a reaction force and an operation force from an actuating mechanism provided between the lock mechanism and the actuating mechanism provided at a desired position;
a rattling preventing spring for preventing a rattling in the rotation direction of the shaft guide provided between the drum case and the shaft guide.
1 Assignment
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Accused Products
Abstract
An operation device comprises a lock mechanism having a drum case having a cylindrical drum wall, a lock spring containing a coil portion which is fitted into the drum wall and is locked by a friction force against the inner peripheral face of the drum wall, and a shaft guide mounted rotatably in the drum case and operated to exert or cancel a friction force of the lock spring. A transmitting mechanism for transmitting a reaction force and an operation force from an actuating mechanism is provided between the lock mechanism and the actuating mechanism provided at a desired position. A rattling preventing spring for preventing a rattling in the rotation direction of the shaft guide provided between the drum case and the shaft guide.
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Citations
6 Claims
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1. An operation device comprising:
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a lock mechanism having a drum case having a cylindrical drum wall, a lock spring containing a coil portion which is fitted into the drum wall and is locked by a friction force against the inner peripheral face of the drum wall, and a shaft guide mounted rotatably in the drum case and operated to exert or cancel a friction force of the lock spring; a transmitting mechanism for transmitting a reaction force and an operation force from an actuating mechanism provided between the lock mechanism and the actuating mechanism provided at a desired position; a rattling preventing spring for preventing a rattling in the rotation direction of the shaft guide provided between the drum case and the shaft guide. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification