and interlocking with independently associated or dissociated projection members

Full Title

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 > with additional cavity for engaging different projection > having common means actuating or releasing interlocking components or surfaces > and interlocking with independently associated or dissociated projection members