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. 15, 2017
Filed:
Apr. 14, 2011
John P. Wesson, Vernon, CT (US);
Huan Zhang, Glastonbury, CT (US);
Gopal R. Krishnan, Westhersfield, CT (US);
Timothy D. Devalve, Manchester, CT (US);
John P. Wesson, Vernon, CT (US);
Huan Zhang, Glastonbury, CT (US);
Gopal R. Krishnan, Westhersfield, CT (US);
Timothy D. Devalve, Manchester, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
Elevator coated ropes or belts are disclosed. The coated rope or belt may include at least one cord and a jacket retaining the at least one cord. The cord may include a plurality of filaments. The filaments are free of second-order helical structure. In a first embodiment, the filaments includes at least one inner filament and a plurality of outer filaments surrounding the at least one inner filament. The outer filaments are bunched together by forming a first-order helical structure through the length of the cord. In a second general embodiment, the filaments are free of both first- and second-order helical structures. The filaments are bunched together by a restraining loop or adhesive at one or more locations along the length of the cord. Methods of making the tension cord are also disclosed.