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.:
Date of Patent:
Nov. 17, 2009
Filed:
Oct. 09, 2007
Applicants:
Ryoji Shimura, Yokohama, JP;
Toru Shibata, Yokohama, JP;
Inventors:
Ryoji Shimura, Yokohama, JP;
Toru Shibata, Yokohama, JP;
Assignee:
Mitsui Mining and Smelting Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E05F 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A curved portion formed on a guide rail is sandwiched between an inscribed projection and a circumscribed projection. Therefore, a carrier plate can turn around a curving center of the inscribed projection. Even when the guide rail is twisted, an element to be guided and the carrier plate can turn in accordance with the twist, a prying force is reduced, and the carrier plate can vertically move smoothly.