US 2007/0180956 A1 · Fastening member fastening method and apparatus

Abstract

The present invention relates to a fastening member fastening apparatus for positioning and fastening a hexagon head bolt (2) with respect to a nut (7) with an opening (7a). The fastening member fastening apparatus comprises a rotary axle body (1) being rotated by a drive source, a forwardly and backwardly movable socket (3) being connected with a tip end of the rotary axle body (1) and fitting thereon the hexagon head bolt (2), and a guide mechanism (5) having triple claw members (4) which are operated to open and close in accordance with the forward and backward movement of the socket (3). A tip end of the guide mechanism (5) in a closed state is inserted into the opening (7a) of the nut (7) so as to position and fasten the hexagon head bolt (2) with respect to the nut (7).

Claims5

Dependent claims

A fastening member fastening method adapted to position a fastening member with respect to a fastened member so as to fasten the fastening member to the fastened member, comprising the steps of:

moving a guide mechanism to an opened state and a socket to an advanced position;
fitting a fastening member on said socket;
bringing said socket on which the fastening member is fitted into a retreated position and said guide mechanism into a closed state;
inserting a tip end of said closed guide mechanism into a hole of the fastened member;
bringing said guide mechanism into the opened state and fastening the fastening member to the fastened member by advancing and rotating said socket having the fastening member fitted thereon;
and
retreating said socket and said guide mechanism after the fastening member is completely fastened to the fastened member.

4 more elements

Dependencies are inferred from the claim text.

Fastening member fastening method and apparatus

Life of this patent

Fastening member fastening method and apparatus

Life of this patent

Abstract

Claims5