| 摘要 |
<p>PROBLEM TO BE SOLVED: To operate a movable member in a plurality of modes with a single driving means.SOLUTION: A movable performance device 40 comprises a support member which is vertically displaced relative to a base body 42, a link member which can be vertically displaced relative to the support member and is moved by an operation member operated by a driving motor M, and a movable member 60 which is disposed on the link member so that it can swing. The movable member 60 is vertically displaced while being kept in a first posture by contact with a regulation portion 64 in a first operation range of the link member, and is allowed to have posture displacement with vertical displacement by a relative change of the position of contact with the regulation portion 64 in the second operation range of the link member.</p> |
