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.

Patent No.:

US 7181988 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 27, 2007

Filed:

Sep. 07, 2004
Applicants:

Shigekazu Nagai, Adachi-ku, JP;

Akio Saitoh, Kawaguchi, JP;

Masaru Saitoh, Mitsukaido, JP;

Inventors:

Shigekazu Nagai, Adachi-ku, JP;

Akio Saitoh, Kawaguchi, JP;

Masaru Saitoh, Mitsukaido, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 27/02 (2006.01); F16H 29/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotary driving source is connected to one end of a frame. The rotary driving force of the rotary driving source is transmitted to a slider by the aid of a driving pulley, a belt member, and a driven pulley. The slider is displaced in the axial direction of the frame while being guided by a guide mechanism. Each of the frame and the slider is formed of, for example, an aluminum alloy. First guide rails are installed in the frame and second guide rails are installed in side surfaces of the slider. The first guide rails and the second guide rails are formed of a metal material subjected to a hardening treatment.


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