| 摘要 |
PURPOSE:To prevent the breakage of a head due to the vibrations caused while the head is carried by providing a stopper to a head protecting sheet at the area where a door hits and therefore avoiding the door closure and also securing a gap between a pair of upper and lower heads. CONSTITUTION:A stopper 50 is provided to a head protecting sheet 28, and this sheet 28 is loaded to a prescribed position between heads 12U and 12D. Thus the stopper 50 on the sheet 28 touches to the lower surface of a knob 20a which operates the oscillation of a bridge 20. As a result, it is impossible to give oscillation to the bridge 20 in the direction (c') in which a door 22 is closed. Then a gap delta is always secured between heads 12U and 12D to avoid the breakage of these heads despite the vibration power applied while they are being transported.
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