244953 ⎘
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 slidably connected, nonself-biasing interlocking component Blocking removal of formation on projection from complementary formation on side wall of cavity