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:
Jan. 13, 2015
Filed:
Mar. 10, 2009
KE YE, Guangzhou, CN;
Yanying Anne Chen, Guangzhou, CN;
Coliu Wu, Guangzhou, CN;
Shouhong Wang, Guangzhou, CN;
Qingdong Jiang, Guangzhou, CN;
Ke Ye, Guangzhou, CN;
Yanying Anne Chen, Guangzhou, CN;
Coliu Wu, Guangzhou, CN;
Shouhong Wang, Guangzhou, CN;
Qingdong Jiang, Guangzhou, CN;
Otis Elevator Company, Farmington, CT (US);
Abstract
A roller bearing and newel guide assembly () for a newel () in an escalator () has a newel guide (), a roller chain (), and a spring () connected between the roller chain () and the newel guide () to provide tension to the roller chain (). The roller chain () comprises a series of interlinked chain units (). Each chain unit () includes a frame (), at least one roller bearing (), and a pin () for connecting the roller bearing () to the frame (). Each chain unit () has a female connector () and a male connector (), which allow each chain unit () to connect to an adjacent chain unit () to form the roller chain ().