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:
Feb. 11, 1992
Filed:
Mar. 15, 1991
Ernest P Gagnon, Manchester, CT (US);
Jerome F Jaminet, Glastonbury, CT (US);
Eric G Olsen, Woodbury, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
An elevator is driven by a linear motor having an elongated flat secondary element disposed in parallel to a hoistway and extending along the length thereof, the secondary element being supported by an edge portion thereof by a support. The linear motor has a first primary element disposed on one side of the flat secondary element, and a second primary element disposed on the other side of the flat secondary element. A housing supports each primary element adjacent a face of the secondary element. The housing has an opening through which the support of the secondary element passes. The housing includes a counterweight assembly disposed at either end thereof.