Fastener
AssigneeKashiraishi Inc.
InventorKazuaki Tanimura
Life of this patent
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Abstract
An object of the present invention is to provide a fastener made compact on the whole and capable of producing a strong fastening strength. To attain the object according to the invention, there is provided a fastener for being fitted to a fastening member (B) while continually exerting a tightening torque to the fastening member (B) fixedly screwed onto a mounting base, comprising a torsion coil spring formed in a winding shape so as to be inserted in an axial direction of the fastening member (B) into the fastening member (B) and having a fixing end (13) to be fixed onto the mounting base (A), and a detachable stopper (2) for restraining the torsion coil spring (1) in a state of accumulating a tightening torque.
Claims9
A fastener for continually exerting a tightening torque to a fastening member fixedly screwed onto a mounting base, comprising a torsion coil spring formed in a winding shape so as to be inserted in an axial direction into the aforesaid fastening member and having a fixing end to be fixed onto aforesaid mounting base, and a detachable stopper fitted to said torsion coil spring, said torsion coil spring releasing the tightening torque accumulated thereby when removing said stopper to apply the tightening torque to the fastening member.
Dependencies are inferred from the claim text.