| 摘要 |
A slider device ( 200, 800 ) according to the present invention includes a base ( 200 ); a running head ( 300 ) slidably provided on said base ( 200 ) along the direction guided by a prespecified guide mechanism ( 400 ); a rack ( 510 ) provided in the fixed state on either said base ( 200 ) or said running head ( 300 ) along the guide direction by said guide mechanism ( 400 ); a pinion ( 520 ) engaging with rack teeth of said rack and driven and rotated by a prespecified power source; a swing arm ( 540 ) rotatably supporting said pinion ( 520 ), having an oscillation shaft ( 550 ) parallel to a rotary shaft of said pinion, and coupled to either one of said base ( 200 ) and said running head ( 300 ) via said oscillation shaft ( 550 ) in the oscillation-allowable state with the line extending between said oscillation shaft ( 550 ) and the rotary shaft of said pinion substantially parallel to said rack ( 510 ) as the reference state; and a biasing mechanism ( 570 ) for biasing said pinion ( 520 ) toward said rack ( 510 ) via said swing arm ( 540 ).
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