Tool for installing or removing wire thread inserts and method of manufacture

A technology for wire threaded inserts and tools, applied in the manufacture of tools, screwdrivers, hand-held tools, etc., can solve the problems of material fatigue, maintenance costs, shorten tool life, etc., and achieve the effect of reducing mechanical stress
CN109641346BActive Publication Date: 2021-07-23BOLLHOFF VERBINDUNGSTECHNIK GMBH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BOLLHOFF VERBINDUNGSTECHNIK GMBH
Publication Date
2021-07-23

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Abstract

The invention relates to a tool (1) for installing or removing a wire thread insert and a method for its manufacture. The spindle body inserted in the tool (1) has a radial recess (30) through which the engagement end (24) of the mounting blade engages the wire thread insert. The radial recess (30) has a curved circumferential profile or at least one relief notch (40) for mechanical tension relief in the spindle body (10).
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Description

technical field

[0001] The invention relates to a tool for installing and removing wire thread inserts and a method of manufacturing the same. Background technique

[0002] Various tools are known in the art for installing or removing wire thread inserts. These tools include a spindle body, usually with a drive portion and a seat portion with threads for fastening onto a wire threaded insert. The mounting blade is arranged inside the main shaft body. The mounting blade is of elongated construction with a central pivot point. This intermediate pivot point is also usually the attachment point for mounting the blade formed by a pin riveted into the spindle body. The contact end is arranged at the end where the blade is mounted and engages in the wire thread. Typically, a spring is arranged at the other end where the blade is mounted such that the contact end is spring biased in the engaged position in the wire thread insert.

[0003] EP0153266, EP0153267, EP0153268B1, EP06...

Claims

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