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. 23, 1987
Filed:
Apr. 18, 1986
Applicant:
Inventor:
Donald G McPherson, Westminster, CO (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01G / ;
U.S. Cl.
CPC ...
187131 ;
Abstract
An empty elevator car is caused to lift a predetermined calibration weight(s) located above the normal car excursion. The car load sensor signals before and after lifting the calibration weight together with the known values for the empty car weight and the calibration weight are used to recalibrate the load versus signal function.