244919 ⎘
Buckles, buttons, clasps, etc.; Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith; Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment Cooperating with cavity having side walls and axially biased component capping end