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:
Aug. 20, 2019
Filed:
Sep. 07, 2016
Otis Elevator Company, Farmington, CT (US);
Andrzej Ernest Kuczek, Bristol, CT (US);
Richard J. Ericson, Southington, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A secondary portion of a linear electromagnetic propulsion system is configured to propel an elevator car disposed in a hoistway that is defined by a stationary structure. The secondary portion includes a first permanent magnet assembly extending longitudinally along the hoistway. A plurality of support structures of the secondary portion are engaged to and extend between the elevator car and the first permanent magnet assembly. The support structures are further spaced from one-another along the hoistway. A housing extends between and substantially envelopes the plurality of support structures for structural support.