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:
Oct. 17, 1978
Filed:
Feb. 24, 1977
Applicant:
Inventors:
Paul R Otto, Marlboro, NJ (US);
William N Leang, Randolph Township, Morris County, NJ (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 / ; 340 / ;
Abstract
An elevator system including an elevator car mounted in a building to serve the floors therein. A car call station in the elevator car includes a plurality of car call pushbuttons and associated lamps. Each pushbutton requires only a single set of contacts and a single conductor to register a car call, drive the associated lamp, and to provide a 'button actuated' signal each time the pushbutton is actuated.