| 摘要 |
A coupling for a plow comprising a push beam attachable to a front of a vehicle. The push beam has at least one outwardly-extending plate at each end thereof. Each plate has an aperture extending therethrough. A support frame is provided that is attachable to the back side of a plow assembly. The support frame has two spaced-apart plates extending therefrom, each of the plates having an aperture therethrough. The plates are dimensioned to be positioned adjacent the plates on the push beam with the apertures in the plates being aligned. A locking assembly is provided for locking the support frame to the push beam. The locking assembly is comprised of a pair of axially aligned pins biased outwardly away from each other. Each of the pins has an inner end and an outer end. A linkage connects the inner ends of the pins. The linkage has a first position wherein the pins are retracted toward each other along the axis, and a second position wherein the pins extend outwardly away from each other along the axis.
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