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:
Jul. 12, 1988
Filed:
Apr. 22, 1986
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
198324 ; 198333 ;
Abstract
A passenger conveyor apparatus comprises a plurality of steps endlessly connected to each other and guided along a circulating conveyor path, each of the steps having a tread on which a passenger stands and a riser adjacent the forward edge of the tread, at least a portion of the riser of the steps being constituted by a light transmissive material, and a light source for throwing light on the light transmissive material of the riser, the light source being disposed inside the circulating conveyor path.