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:
Dec. 13, 1994
Filed:
Mar. 23, 1994
Applicant:
Inventors:
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
198335 ;
Abstract
An apparatus for driving a handrail of a passenger conveying device is provided, having a drive wheel and apparatus for pressuring the handrail against the drive wheel. The apparatus for pressuring includes a plurality of rollers, made of a polymeric material having a hardness range less than that of the handrail. Specifically, the polymeric material is made of a thermoplastic polyurethane elastomer having a Shore A hardness in a range equal to or greater than 62 and less than or equal to 68 Shore A.