| 摘要 |
Trailer couplers having a housing in which a latching slide member is constrained so as to only be movable in a reciprocating longitudinal motion relative to a hitch ball receiving cavity and wherein the movement of the slide member is controlled by an eccentric portion of a transverse shaft that if connected to an operating handle that is accessible from outside the housing whereby when the handle is moved from a first position to a second position, the slide member is automatically moved to a latching engagement with a hitch ball within the cavity.
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