| 摘要 |
A drive controlling mechanism of optical members for use in a copying apparatus, including an optical member, a pair of pulleys, a drive pulley for driving the pulleys for the rotation, a wire wound around the pulleys and the drive pulley and secured to the optical member, a pair of urging members for urging the pulleys in opposite directions for preventing the optical member from being brought out of contact with the stopper member, a plurality of stopper members for stopping the optical member at predetermined positions, a pair of detecting members for detecting swing movement of the pulleys, and a control circuit.
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