RETENTION SOCKET GEOMETRY VARIATIONS

摘要

A device includes a body (21) having a plurality of alternating drive region s (32) and corner regions (33) arranged about a central axis for cooperation t o define a socket recess (30) having an open outer end (24) and an inner end (31). Each drive region (32) has a drive surface (35, 36) disposed thereon a nd confined thereto. At least one drive surface (35, 36) slopes toward the central axis in a first direction generally parallel to the central axis and in a second direction generally traverse to the central axis.