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:
Jun. 04, 1985
Filed:
Nov. 09, 1983
Applicant:
Inventors:
David J Rado, Granby, CT (US);
Steven D Coste, Torrington, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 / ;
Abstract
In an elevator that has a position indicator that indicates through separate indication signals if the car is above, at, or below floor level, the position indicator is checked prior to and during the approach to the floor for a stop, and if an incorrect indication is sensed, the error is stored. The stored error and the other indications are used during the approach to slow and stop the car and open the doors.