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:
Sep. 07, 2004
Filed:
Nov. 06, 2002
Applicant:
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 ;
U.S. Cl.
CPC ...
B66B 1/34 ;
Abstract
A guide device for an elevator in which a pair of corresponding actuators are controlled by controllers in accordance with information from acceleration sensors, and the force with which guide members are pressed against guide rails is adjusted. Each controller includes a current amplification device and diodes. The diodes selectively output signals from the current amplification device to the pair of actuators.