244972 ⎘
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; Receiving member includes either movable connection between interlocking components or variable configuration cavity having resiliently biased interlocking component or segment; Partially blocking separate, nonresilient, access opening of cavity and bodily shifted into or out of interlock location by manual force thereon