主权项 |
1. A system for attaching a removable cleat to an athletic shoe, the system comprising:
a receptacle base; an annulus extending from the receptacle base and having inner and outer surfaces, the inner surface having defined thereon a plurality of equally spaced helical surfaces adapted to receive screw threads; a plurality of radial projections extending outwardly from the annulus's outer surface; a cleat base; a central stud projecting from the cleat base and disposed about a central axis, about which the cleat may be rotated for insertion into the receptacle, the central stud having an end distal from the cleat base and having an outer peripheral surface; a plurality of screw threads spaced around and on the outer peripheral surface of the central stud, each screw thread having an outer helical surface; a plurality of resiliently deflectable locking projections surrounding the stud and projecting inwardly; a cylinder disposed around the locking projections and concentrically about the central axis, the cleat configured to be connected to and locked to the receptacle with a turn of less than 70° around the central axis, the distal end of the stud being less than 4 mm from the base. |