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:
Nov. 08, 2011
Filed:
Sep. 13, 2005
Hugh O'donnell, Longmeadow, MA (US);
Hubert E. Goeser, Dannenberg, DE;
Hugh O'Donnell, Longmeadow, MA (US);
Hubert E. Goeser, Dannenberg, DE;
Otis Elevator Company, Farmington, CT (US);
Abstract
A method of making a load bearing member () for an elevator system () includes placing at least one tension member () adjacent one side () of a first layer () of a polymer material. A second layer (), comprising a urethane in a disclosed example, is added adjacent to at least the one side () of the first layer () such that the tension member () is between the first layer () and the second layer (). Such a technique allows for eliminating the bridges typically used to support the tension members in molding devices. Eliminating such bridges eliminates the resulting grooves associated with previous arrangements. Providing a grooveless exterior on the jacket () of the load bearing member () eliminates a significant source of potential vibration and noise in an elevator system.