| 摘要 |
A vertical angle adjustable quick-attaching coupler for attaching an implement to the three point hitch of a vehicle. The coupler comprises a coupler frame, attachment means for pivotally mounting the coupler to the three point hitch of the vehicle, hook members for attaching the coupler to the implement, and angle adjustment means which includes a lever arm and a hydraulic cylinder for adjusting the vertical angle of the plane defined by the three attachment points of the three point hitch relative to the plane defined by the hook members of the coupler.
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