| 摘要 |
A front-mounted rotary mower is coupled to a vehicle by a pair of vertically swingable lift arms coupled between the vehicle and mounting brackets located in a central portion of the mower blade housing. A lift mechanism includes a pair of linkages respectively coupled between the pair of lift arms and the rear of the blade housing. Each linkage includes one link which carries a roller at one end disposed for engagement with the vehicle frame as the lift arms are swung upwardly, which action causes the one link to pivot to effect elevation of the rear end of the housing.
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