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:
Apr. 08, 2003
Filed:
Jul. 02, 2001
Juan A. Lence Barreiro, Santiago de Compostela, ES;
Chouhwan Moon, Glastonbury, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
Information including normal and abnormal operating conditions and events, resulting from operation of elevator car and landing doors, is monitored and recorded (FIGS. ), compared and combined with other information and with thresholds to detect notable events and conditions and generate corresponding messages including a reason for the message, severity of the related event or condition, and optionally, a general maintenance recommendation. The maintenance messages include adjusting or cleaning: car door vane (A-D), landing door lock at a given floor (E-L), car door closed switch (M-R), car door track or sill (S-Y), landing door track or sill (Z-EE), door drive belt (FF, GG), elevator car door motor or door controller mechanism (HH-MM), and car guide rails (FFF); and include adjusting or replacing: door position encoder (NN, OO), between-door safety device (PP-SS), door open/close buttons (TT-XX), landing and car call buttons (YY-AAA) and lights (BBB, CCC), and car rail guides (DDD, EEE).