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.

Date of Patent:
May. 05, 1987

Filed:

Oct. 10, 1984
Applicant:
Inventor:

Hiroshi Nakatani, Inazawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
198328 ; 198335 ;
Abstract

A curved escalator comprises a plurality of segment steps movable along the stairway path, an inner balustrade panel of balustrades vertically disposed along an outer and an inner side of the stairway path, a moving handrail supported by a handrail guide for a guided movement along the balustrade, a skirt guard mounted to the frame work and extending in parallel to a travel path of the steps, and a guide rail for guiding step axles of the steps. The guide rail varies in its radius of curvature and the position of its center of curvature along its length in accordance with the varying slope angle, and the handrail guide varies in its radius of curvature and the position of its center of curvature along its length in correspondence with the radius of curvature and the position of center of curvature of the guide rail.


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Nakatani, Hiroshi. (1987). Curved escalator (U.S. Patent No. 4662502). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4662502

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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