Patent ID: 7765899

Claim:
A socket assembly comprising: a socket having an engaging hole defined in a first end thereof and a mounting hole defined in a second end of the socket, the mounting hole including a plurality of insides and yield recesses which are located alternatively between the insides, a groove defined in an outer periphery of the socket about an axis of the socket; a control member rotatably mounted to the socket and having a through hole defined centrally therethrough and a plurality of stops extending inward from an inner periphery of the through hole, the stops being deformable when a force applies to the stops along the axis of the through hole, a ridge extending inward from an inner periphery thereof, the ridge movably engaged with the groove, the socket including a positioning device and the control member including a plurality of notches defined in an inner periphery of the through hole, the positioning device removably engaged with one of the notches; a distance “A 1 ” from an axis of the control member to each one of the stops of the control member being not smaller than a distance “C 1 ” from the axis of the socket to each of the insides of the socket and not larger than a distance “C 2 ” from the axis of the socket to each of the yield recesses of the socket, a distance “A 2 ” from the axis of the control member to the inner periphery of the through hole being not smaller than a distance “C 2 ” from the axis of the socket to each of the yield recesses of the socket, and the control member being rotated between a first position where the stops of the control member are located on paths that corners of an object to be loosened drop from the mounting hole, and a second position wherein the stops of the control member are located in alignment with the yield recesses of the mounting hole of the socket.