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:
Mar. 17, 2015
Filed:
Nov. 17, 2011
Vijay Shilpiekandula, Boston, MA (US);
William Yerazunis, Acton, MA (US);
John C. Barnwell, Iii, Leominster, MA (US);
Scott A. Bortoff, Brookline, MA (US);
Joseph Katz, Stony Brook, NY (US);
Vijay Shilpiekandula, Boston, MA (US);
William Yerazunis, Acton, MA (US);
John C. Barnwell, III, Leominster, MA (US);
Scott A. Bortoff, Brookline, MA (US);
Joseph Katz, Stony Brook, NY (US);
Mitsubishi Electric Research Laboratories, Inc., Cambridge, MA (US);
Abstract
An elevator including a car is arranged in a shaft. A set of compensator cables are attached to a bottom of the car and engaged with a compensator drum. A set of hoist cables are attached to a top of the car and engaged with a hoist drum to move the car vertically in the shaft, wherein the set of compensator cables and the set of hoist cables are configured to only move the car vertically.