| 摘要 |
PURPOSE:To prevent the lock release of a locking pin due to wrong operation, etc., of an operating knob. CONSTITUTION:A proper interval 20 is kept between a cam follower bar 10 installed at the edge of a locking pin 5 which is insertion-held on a slider 3 which is engagement-arranged in a slidable manner on a guide rail 1 and the inclined surfaces 12 and 12 formed on the cam pieces 11 and 11 of a pair of operating knobs 8 and 8. |
