| 摘要 |
PURPOSE: To provide a lock mechanism of a highly reliable stretcher vibration resitant stand capable of reliably locking a movable frame by simple operation when necessary regardless of a position of the movable frame. CONSTITUTION: A lock mechanism is provided with first/second lock pins 8, 10 movable between a lock position and a lock release position, and the first/ second lock pins 8, 10 are moved and approached via a link mechanism by moving an operation knob 12 to the lock position from the lock release position to sandwich a part of a fixing part 2 to lock a movable part 4 on the fixing part 2.
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