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:
Nov. 11, 1980
Filed:
Mar. 19, 1979
Applicant:
Inventor:
Joseph K Kraft, Parsippany, NJ (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198851 ; 474206 ;
Abstract
A toothed step link for transportation apparatus, such as escalators, constructed of formed metallic shells. First and second like elements, each including at least one metallic shell, are disposed in spaced relation. A third element, including at least one hollow metallic assembly formed of assembled right- and left-hand metallic shells, which collectively define a plurality of teeth, is disposed in a portion of the space between the first and second elements. The first, second and third elements are held in assembled relation via tubular members which are press fit into aligned openings in the first, second and third elements.