| 摘要 |
A rotary control device includes a body, a knob rotatably provided on the body, a push button provided on a side portion of the knob so as to be depressed, a lock member that moves in response to a depressing operation of the push button, and a lock portion provided in the body. The lock member is retained to the lock portion of the body so as to restrain a rotary operation of the knob before the push button is depressed. When the push button is depressed, the lock member is moved to a space where the lock member is movable in conjunction with the rotary operation of the knob so that a restraint of the rotary operation of the knob is released.
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