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. 17, 1991
Filed:
Dec. 07, 1990
Applicant:
Inventors:
Michael Kruse, Minden, DE;
Hans-Dietrich Riedel, Berlin, DE;
Assignee:
Otis Elevator Company, , NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
198327 ; 384273 ; 384391 ; 384295 ; 198333 ;
Abstract
An escalator or people mover having steps or pallets which are supported by axles that are driven by a step chain, utilize a split bearing disposed between the axle and the step or pallet. The split bearing allows for rapid replacement of a worn bearing. The split bearing has a shaped outer portion for cooperating with the step or pallet to prevent rotation of the bearing relative to the step.