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. 30, 1998
Filed:
Nov. 29, 1995
Anthony Cooney, Unionville, CT (US);
Frederick H Barker, Bristol, CT (US);
Bruce A Powell, Canton, CT (US);
Samuel C Wan, Simsbury, CT (US);
Paul Bennett, Waterbury, CT (US);
Richard C McCarthy, Simsbury, CT (US);
Joseph Bittar, Avon, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
To prevent elevator rope stretch effects when a horizontally transferable elevator cab (18) is rolled onto and off of an elevator car frame (10), an elevator car/floor lock (31) includes a bolt (37) which extends across the interface between the car frame and the building and engages a strike (39). Jack screw (44) and solenoid (60) embodiments are shown. The bolt may extend from the car frame to the building (FIGS. 1-4) or from the building to the car frame (FIG. 5).