Title:
BOLT/NUT FASTENER AND GROOVED BOLT
Document Type and Number:
Japanese Patent JP2017222005
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a bolt/nut fastener which can loosen or fasten bolts from one side while preventing the co-rotation of the bolts which are different in diameters as far as a grooved bolt is used, and the grooved bolt.SOLUTION: The bolt/nut fastener comprises: a hollow socket for making a nut engaged therewith; a cylindrical member fit with the socket; a rod-shaped member having an engagement part which is engaged with a groove at one end, and freely moving in both the socket and the cylindrical member; an elastic member for energizing the rod-shaped member toward the socket; a first handle which is fixed to the cylindrical member, and regulates the rotation of the cylindrical member by being gripped; and a second handle which is locked to the rod-shaped member, and makes the rod-shaped member freely rotate. The rod-shaped member has a locked part to which the second handle is locked at the other end, and moves between an engagement position engaged with the groove and a separation position separated from the groove.SELECTED DRAWING: Figure 1
Inventors:
ISHII SHIGEO
Application Number:
JP2016119515A
Publication Date:
December 21, 2017
Filing Date:
June 16, 2016
Export Citation:
Assignee:
ISHII SHIGEO
International Classes:
B25B13/00; F16B23/00
Attorney, Agent or Firm:
Ishibashi