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Sleeve with adaptable hole

Inactive Publication Date: 2007-10-18
HSIEH CHIH CHING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] The various objects and advantages of the present invention will be more readily underst

Problems solved by technology

Thereby an error is induced.
The sleeve cannot completely fit the nut.
For a long time, the sleeve and nut wears due to the stress is concentrated at one point.
Further, the operation is inefficiency.
This further make the sleeve and nut wear.

Method used

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  • Sleeve with adaptable hole
  • Sleeve with adaptable hole
  • Sleeve with adaptable hole

Examples

Experimental program
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Embodiment Construction

[0013] In order that those skilled in the art can further understand the present invention, a description will be described in the following in details. However, these descriptions and the appended drawings are only used to cause those skilled in the art to understand the objects, features, and characteristics of the present invention, but not to be used to confine the scope and spirit of the present invention defined in the appended claims.

[0014] Referring to FIGS. 1 and 2, the structure of the present invention is illustrated. The present invention includes the following elements.

[0015] A sleeve body 1 is included.

[0016] A hole is formed at one end of the sleeve body 1. The hole has a plurality of concave cambered surface 21. For each two adjacent concave cambered surfaces 21, 21′, there are two convex cambered surfaces 22, 22′. A sharp pit 23 is formed between the two convex cambered surfaces 22, 22′.

[0017] Referring to FIGS. 3 to 5, when the sleeve body 1 of the present inve...

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PUM

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Abstract

A sleeve with an adaptable hole comprises a sleeve body; a hole being formed at one end of the sleeve body; the hole having a plurality of concave cambered surface; for each two adjacent concave cambered surfaces, there are two convex cambered surfaces; a sharp pit being formed between the two convex cambered surfaces. Or at least one auxiliary resisting surface is installed between two adjacent concave cambered surfaces. The auxiliary resisting surface has one smooth surface facing a center of the hole. For each two adjacent concave cambered surfaces with the auxiliary resisting surface therebetween, there are two convex cambered surfaces; a sharp pit being formed between the two convex cambered surfaces.

Description

[0001] The present invention is a continuation in part of U.S. patent application Ser. No. 11 / 017,601 which is assigned to and invented by the inventor and applicant of the present invention. Thus, the content of U.S. patent application Ser. No. 11 / 017,601 is incorporated into the present invention as a part of the present invention.FIELD OF THE INVENTION [0002] The present invention relates to sleeves, and in particular to a sleeve with an adaptable hole which has a special designed edge of the hole in the sleeve so that the sleeve can fit with various kinds of nuts. BACKGROUND OF THE INVENTION [0003] In the prior art sleeve for clamping a nut, the specifications of the sleeve and nut must match to one another so that the nut can be fitted into the sleeve. However there are many different specifications for nuts. For example, in United Kingdom, for a nut of 1 / 16 inch, it is corresponding to a nut of 17.28 mm, but in U.S. the nut 17 mm is used, instead of 17.25 mm. Thereby an error ...

Claims

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Application Information

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IPC IPC(8): B21B31/18
CPCB25B13/065B21B31/18
Inventor HSIEH, CHIH-CHING
Owner HSIEH CHIH CHING