| 摘要 |
A mower comprising a mower frame attached to the bottom of a vehicle body, cutting blades rotatably supported by vertical shafts on the mower frame, a drive assembly on the frame for rotating the blades, arms supported on the frame and pivotally movable upward or downward, gauge members supported by the free ends of the pivotal arms, an operating member operatively connected to the pivotal arms for pivotally moving the arms, and locking means for disengageably holding the operating member. The mower frame is upwardly or downwardly movable by the movement of the pivotal arms with the gauge members in engagement with the ground to position the cutting blades at the desired level. The blades are retainable at this level by the locking means.
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