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:
Apr. 15, 2008
Filed:
Nov. 29, 2004
Rainer Schmidt, Lindhorst, DE;
Andreas Stuffel, Bückeburg, DE;
Jeong Rak Kim, Incheon, KR;
Otis Elevator Company, Farmington, CT (US);
Abstract
People conveyor () including an endless conveyor band () extending through an inclined portion (), a first and a second turnaround portions () and a return portion () of an endless path and comprising a plurality of steps () connected to and driven by a step chain (), the steps () comprising a step roller (), the people conveyor () further including a step roller track () for guiding the step roller (), the step roller track () extends along the path of the conveyor band () and has an inner and an outer rails () for supporting the step roller (), and a device () for restraining the step roller () against one of the inner and outer rails ().