SCREW FASTENING JOINT USING SHAPE MEMORY ALLOY

摘要

PURPOSE: To provide a joint having an applicable small bending angle (inter- rotary shaft angle) in a universal joint, capable of enhancing freedom in the angle of the rotary shaft with respect to unfavorable use in no same plane, and of improving workability in screw fastening. ;CONSTITUTION: A joint for fastening a screw is constituted such that in a pipe 1 made of shape memory alloy in which the shape is memorized in the form of linear line preliminarily a wire 2 for transmitting fastening torque is inserted and to both ends of the wire connection metal fittings 3, 4 for mounting a socket are fixed.;COPYRIGHT: (C)1994,JPO