| 摘要 |
A coupling for connecting one end of a strap to a musical instrument or other body consists of a post fixed to the instrument and a catch fixed to the strap and cooperable with the post. The post has an enlarged head which is movable laterally into and out of a cavity in the catch. When the post head is received in the catch cavity a spring biased plunger of the catch enters a central opening of the post to prevent the catch and post from moving laterally out of assembly, while nevertheless permitting the catch and the associated strap to pivot or swivel relative to the post. The plunger is movable by hand out of the path of the post head during connection and disconnection of the post and catch relative to one another. Further, the two coupling parts can be quickly and easily connected and disconnected relative to one another with one hand of the user and without requiring extremely precise movements.
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