| 摘要 |
A lock and release apparatus comprises an integrally cooperating bar and collar combination which provides a variety of gripping and releasing arrangements; wherein the bar of such combination defines a plurality of circumferentially alternating surfaces, including at least one flat surface and one arcuate surface; and, wherein the collar of such combination defines a ball and cam relationship which cooperates with the arcuate surface of the bar to provide a gripping action between the bar and collar, which is releasable by variety of arrangements made functional by the present invention.
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