Patent ID: 6086284
Filing Date: 2000-07-11
Classification: F16C,Y10T

Abstract:
A lockable hub device comprising:a) a base having a central axis, longitudinal support means about said axis defining a central lumen and at least one radially disposed lateral groove, and terminal lateral support means,b) at least one lockable attachment ring having an upper ring surface, a lower ring surface and a smooth interior ring surface defined by said upper and lower ring surfaces and further defining a first interior diameter, said at least one lockable attachment ring further having crenellated projections extending upwardly from said upper ring surface and axially past said interior ring surface such that said crenellated projections further define a second, lesser interior diameter,c) at least one locking and release element,d) a top cap, ande) and an assembly element,wherein said base is capable of accommodating about said central axis said at least one lockable attachment ring such that said at least one lockable attachment ring is retained by said longitudinal support means, said terminal lateral support means, and said top cap and wherein said base further is capable of accommodating within said at least one radially disposed lateral groove said at least one locking and release element, such that said at least one locking and release element is retained within said at least one radially disposed lateral groove by means of said at least one lockable attachment ring and further such that said locking and release element is capable of engaging said at least one lockable attachment ring by means of said projections, the entire assembly being secured by engagement of said assembly element with both said base and said top cap.