| 摘要 |
Coupling apparatus for coupling first and second objects together and including first and second coupling means carried by respective ones of said objects. The first coupling means comprises a latch carrying member and latch control means telescopic therewith. A guide means is carried by the latch carrying member and first latch means are slidably mounted on the guide means. The first latch means are movable along one path from a first latch position to a second latch position, whereby they automatically engage second latch means on the second coupling means, upon movement of the latch control means along another path transverse to that of the first latch means. The apparatus also comprises an improved universal joint control assembly for selectively locking or freeing an associated universal joint. The universal joint control assembly comprises a housing rigidly attached to the first object and at least partially surrounding the joint and having an open end for relative extension and retraction of the joint and housing.
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