Special spanner for safety screw

A technology of anti-theft screws and wrenches, which is applied in the direction of wrenches, manufacturing tools, wrenches, etc., can solve the problems of theft of power, communication, environmental protection and other facilities, lack of anti-theft screws and anti-theft screws, social and human hazards, etc., to achieve a simple structure , Huge effect, easy to use effect

Inactive Publication Date: 2006-11-01
徐尚仁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] So far, due to the lack of real and effective anti-theft screws and anti-theft screws special tools for assembly and disassembly, many facilities such as electricity, communications, and environmental protection that are fixedly installed in the field have been stolen, which has caused varying degrees of harm to society and people. with destruction

Method used

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  • Special spanner for safety screw
  • Special spanner for safety screw
  • Special spanner for safety screw

Examples

Experimental program
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Effect test

Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] In the accompanying drawings 1, 2 and 3, the trigger handle body 1 of the first embodiment of the present invention is respectively provided with a conjoined wrench handle movable latch hole 1A, a trigger handle handle 2 and an eccentric arc-shaped wall of the trigger tip. 3. On the eccentric arc-shaped wall 3 of the trigger tip, there is a conjoined structure. The eccentric arc-shaped wall of the trigger tip is hard and tough "∧"-shaped oblique tine 12; on the wrench hook body 4, there are respectively conjoined structures The inner hook bottom of the wrench hook 5, the hook tip of the wrench hook 6, the outer hook back of the wrench hook 7, the left and right clip hook legs of the wrench hook 8, the inner movable space of the clip hook legs 9, the fixing pin holes of the clip hook legs 10, the right arc of the wrench hook Inner hook wall 13 and wrench hook lef...

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PUM

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Abstract

A dedicated spanner for the antitheft screw with particular shape and particular hardness is composed of a handle with an eccentrical arc front end, and a hook body with left and right arc inner surfaces. It features that the angular and arc pointed teeth with high hardness and toughness are made on said arc front end of handle and said left and right arc inner surfaces of hook body. Said spanner is made up of the C-contained 10 CrMnTi steel or 20 CrMnTi steel or 20 Cr steel or 40 Cr steel through quenching or carbonizing while quenching.

Description

technical field [0001] The invention relates to a special tool for assembling and disassembling anti-theft screws of non-standard fasteners, more specifically, it is a special wrench for anti-theft screws. technical background [0002] So far, due to the lack of real and effective anti-theft screws and anti-theft screws special tools for assembly and disassembly, many facilities such as electricity, communication, and environmental protection that are fixedly installed in the field have been stolen, which has caused varying degrees of harm to society and people. with destruction. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a simple structure, easy to use, and advantageous anti-theft technology of the present invention. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] The anti-theft screw special wrench of the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B13/48
Inventor 徐尚仁
Owner 徐尚仁
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