Impact wrench and method for making same

A sleeve and roll making technology, applied in the field of sleeve and its manufacturing method, can solve the problems of large structural surface, high cost, deformation of processing places, etc.
CN1451520AInactive Publication Date: 2003-10-29张 珍财
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
张 珍财
Publication Date
2003-10-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

A socket wrench has an isometric body, whose cylindrical surface has a drive unit divided into two parts and a marker part between two parts of drive unit. In the drive unit the dense teeth and sparse teeth segments are alternative.
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Description

【Technical field】

[0001] The present invention relates to a sleeve and its preparation method. 【Background technique】

[0002] At present, the external structure of the sleeve is very diverse, including: Taiwan New Patent No. 79204521 "multi-faceted sleeve", No. 87200032 "sleeve structure improvement", No. 87111279 "used for sleeve identification Inserts", No. 88211814 "Sleeve Structure Improvement", No. 90206762 "Sleeve Structure Improvement", No. 90208985 "Sleeve Improvement" and other cases, which were respectively granted patents for the external structural design of the sleeve. , the most traditional form is to emboss the outside of the sleeve to form a ring-shaped embossing structure on the outside of the sleeve to increase the friction effect. Such a structure needs to be improved due to its very limited friction effect. . All the above-mentioned cases are patented respectively by enlarging the plane outside the sleeve for tool clamping action, or forming integral o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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