JPS6031977U

JPS6031977U - Incomplete fitting prevention device for bolt tips in bolt tightening tools

Info

Publication number: JPS6031977U
Application number: JP12237583U
Authority: JP
Inventors: 北口　和彦
Original assignee: 日立工機株式会社
Priority date: 1983-08-06
Filing date: 1983-08-06
Publication date: 1985-03-04

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、本考案によるボルトチップの不完全嵌合防止
装置の一実施例を示す縦断側面図である。第２図、第３
図は、第１図のＡ−Ａ線断面図である。第２図が正常な
嵌合状態を示し、第３図は不完全嵌合状態を示す。第４
図は、第２図のインナソケットのＢ矢視図である。１：アウタソケット、２：内歯歯車、３：アウタソケッ
トホルダ、４：インナソケット、５：遊星歯車支持腕、
６：インナソケットホルダ、８゜１１ニスチールボール
、９：板バネ、１０：ロールピン。FIG. 1 is a longitudinal sectional side view showing an embodiment of the bolt tip incomplete fitting prevention device according to the present invention. Figures 2 and 3
The figure is a sectional view taken along the line A-A in FIG. 1. FIG. 2 shows a normal fitted state, and FIG. 3 shows an incompletely fitted state. Fourth
The figure is a view of the inner socket in FIG. 2 in the direction of arrow B. 1: Outer socket, 2: Internal gear, 3: Outer socket holder, 4: Inner socket, 5: Planetary gear support arm,
6: Inner socket holder, 8°11 steel ball, 9: Leaf spring, 10: Roll pin.

Claims

[Scope of utility model registration request]

In a bolt tightening tool that includes an outer socket that fits into a nut, an inner socket that is rotatably supported within the outer socket and that fits on the tip of the bolt, each of which is engaged with a rotational drive device, the tip of the inner socket A through hole is provided at the joint, a movable member that can move in and out of the inner and outer diameter portions is provided in the through hole, an elastic body is provided on the outer diameter side of the movable member, and one end of the elastic body is provided. is fixed to the inner socket, and by deforming the elastic body, the other end of the elastic body can be interposed between the inner socket and an elastic member that can protrude and retract from the outer diameter side of the inner socket, and A device for preventing incomplete fitting of a bolt tip, characterized in that a retaining portion that engages with an elastic member is disposed on an inner diameter portion of the outer socket.