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Three different thread driving and reversing anti-theft screw

A screw and thread technology, applied in the field of non-standard screws, can solve the problems and constraints of life and corresponding production equipment, lack of outdoor easy-to-theft facilities, lack of anti-theft screws, etc., to achieve the effects of reliable anti-theft, simple structure and low cost

Inactive Publication Date: 2012-09-19
徐尚仁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] So far, there is still a lack of truly effective, easy to assemble and disassemble, and reliable anti-theft anti-theft screw series products, resulting in a large number of outdoor easy-to-theft facilities being stolen due to lack of anti-theft screws. Production equipment, etc. have been affected and restricted

Method used

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  • Three different thread driving and reversing anti-theft screw
  • Three different thread driving and reversing anti-theft screw
  • Three different thread driving and reversing anti-theft screw

Examples

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] exist figure 1 The screw body 1 of the anti-theft screw with three different threads that can advance and retreat is respectively provided with a screw top 2, a screw top bottom plane 3, a screw top outer peripheral wall 4, a screw shank 5, a screw shank thread 6 and a screw shank bottom surface of a conjoined structure. 7. On the outer peripheral wall 4 of the nail top, there are respectively a small diameter micro-tapered top wall section 14 of the nail top outer circumference and a micro-tapered middle wall section 15 of the nail top outer circumference with a small diameter of the outer circumference of the nail top. The micro-tapered top wall section 14 is provided with a small-diameter micro-tapered top wall section of the nail top and screwed forward to thicken the thread 24, and the nail top outer circumference wall section 15 is provided with a nail top...

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PUM

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Abstract

The invention discloses a three different thread driving and reversing anti-theft screw, non standard screw in fastening pieces. The invention comprises a screw top, a screw top bottom plane and a screw top outer circumference wall; wherein the screw top outer circumference wall is provided with a screw top outer circumference small diameter micro taper top wall section and a screw top outer circumference middle diameter micro taper middle wall section; the screw top outer circumference small diameter micro taper top wall section is provided with a forward precession overthicking thread or a reverse precession overthicking thread, and the screw top outer circumference middle diameter micro taper middle wall section is provided with a reverse precession overthicking thread or a forward precession overthicking thread; and the connecting wall section of the screw top outer circumference small diameter micro taper top wall section and the screw top outer circumference middle diameter micro taper middle wall section is provided with a screw top outer wall middle small wall section outer circumference stepped top plane. The invention is matched with corresponding accessories of a three different thread driving and reversing anti-theft nut and an anti-theft screw dismounting socket spanner when in use, so that anti-theft fixing mounting or replacing can be carried out on massive facilities which are arranged outdoor and are easy to be stolen.

Description

technical field [0001] The present invention is a non-standard screw in fasteners. After it is used together with the corresponding anti-theft screw nuts with three different threads that can advance and retreat, special socket wrenches for assembly and disassembly of anti-theft screws, etc., it can be used for a large number of outdoor easy-to-theft facilities. Anti-theft fixed installation or dress-up used. Background technique [0002] So far, there is still a lack of truly effective, easy to assemble and disassemble, and reliable anti-theft anti-theft screw series products, resulting in a large number of outdoor easy-to-theft facilities being stolen due to lack of anti-theft screws. Production equipment, etc. have been affected and restricted. 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, low cost, convenient assembly and disassembly, and reliable anti-theft tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B35/06F16B41/00F16B33/02F16B39/282
Inventor 徐尚仁
Owner 徐尚仁
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