The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 02, 2001

Filed:

Jun. 02, 2000
Applicant:
Inventor:

Takashi Kato, Nagoya, JP;

Assignee:

Meidoh Co., Ltd., Toyota, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 2/500 ;
U.S. Cl.
CPC ...
F16B 2/500 ;
Abstract

A bolt is provided in the present invention. When said bolt is screwed in a nut, said bolt is guided by engaging the spiral guide groove of said guide boss with the thread of the nut to prevent the encroaching, the seizure, or the racing between the bolt and the nut.


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