| 摘要 |
A switch device in a car lock device includes a lock lever disposed between a body and a back plate, rotating with a center shaft in a longitudinal direction being its axis of rotation and switching the lock device to a lock state and an unlock state, and a switch member fitted to the outer surface of the back plate, having a rotary shaft on the same axis as the center shaft, connected electrically to the lock devices of other doors and sending switching signals of the lock state and unlock state to the other locking devices. A switch arm which rotates between the lock position and the unlock position and is equipped at one of its ends with an engagement hole is fixed to the rotary shaft. An arcuate hole having its center on the center shaft is formed at one of the ends of the lock lever. One of the ends of the a rod whose other end is interconnected to a key cylinder is meshed with the arcuate hole of the lock lever and with the engagement hole of the switch arm. The arcuate hole has a length which is half the moving distance of the engagement hole of the switch arm by the key cylinder.
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