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:
Aug. 30, 1994
Filed:
Mar. 08, 1993
Applicant:
Inventors:
Rene A Ruiz, Sr, Houston, TX (US);
George Spector, New York, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 19 ; 187114 ; 318139 ;
Abstract
An energy saver elevator is provided which consists of an elevator car, an elongated cable connected to the elevator car and a counterweight connected to the elongated cable. A DC power source and an auxiliary AC power source are also provided. A mechanism powered by the DC power source during normal conditions and by the auxiliary AC power source during emergency conditions, is for propelling the elevator car. A device is for recharging the normal DC power source by the motion of the elevator car and an apparatus is for stopping the elevator car.