JPH0311532U

JPH0311532U -

Info

Publication number: JPH0311532U
Application number: JP7239889U
Authority: JP
Priority date: 1989-06-22
Filing date: 1989-06-22
Publication date: 1991-02-05

Description

[Brief explanation of the drawing]

図面は本考案の１実施例を示し、第１図は縦断
面図、第２図、第３図及び第４図はそれぞれ第１
図における−線、−線、−線に沿う
断面図である。アウターソケツト……１、凹所……１ａ、イン
ナーソケツト……２、凹所……２ｃ、スプリング
……３、ストツパ……４。 The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal sectional view, and FIGS.
It is sectional drawing along the - line, - line, and - line in a figure. Outer socket...1, recess...1a, inner socket...2, recess...2c, spring...3, stopper...4.

Claims

[Scope of utility model registration request]

An outer socket that has a recess on its tip surface into which a large-diameter bolt head or nut fits, moves forward and backward in the axial direction, and is rotated around the axis, and an outer socket that has a small-diameter bolt head or nut on its tip surface. an inner socket which has a recess into which the socket is fitted, and which is housed in the outer socket so as to be relatively movable in the axial direction but not relatively rotatable around the axis; A socket for tightening bolts and nuts, characterized in that it is equipped with a spring that controls the extension position of the inner socket, and a stopper that controls the advancing position of the inner socket.