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:
Jan. 08, 2008
Filed:
Dec. 09, 2003
Applicant:
Naoki Hashiguchi, Tokyo, JP;
Inventor:
Naoki Hashiguchi, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Chiyoda-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an elevator apparatus, a first driving machine having a first drive sheave and a second driving machine having a second drive sheave are disposed in an upper portion of a hoistway. A car and first and second counterweights are suspended inside the hoistway by a main rope body wound around the first and second drive sheaves. The car and the first and second counterweights are raised and lowered inside the hoistway by a driving force from the first and second driving machines.