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:
Nov. 10, 2026

Filed:

Mar. 16, 2023
Applicant:

Tk Elevator Innovation and Operations Gmbh, Düsseldorf, DE;

Inventors:

Martin Haag, Hamburg, DE;

Reiner Ludwig, Stockheim, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 21/04 (2006.01); B65G 23/12 (2006.01); B66B 23/14 (2006.01); B66B 29/00 (2006.01); B66B 23/02 (2006.01);
U.S. Cl.
CPC ...
B66B 21/04 (2013.01); B65G 23/12 (2013.01); B66B 23/145 (2013.01); B66B 29/00 (2013.01); B66B 23/02 (2013.01);
Abstract

The present disclosure relates to an escalator device with at least one motor-driven escalator, which has a plurality of individual stair step units mounted so as to be movable relative to one another, wherein the stair step units can be displaced together by motor along a displacement path, wherein each stair step unit has at least one step roller, wherein the respective step roller is mounted about a step roller axis and is guided over a rail or similar support structure, wherein the escalator device has a height limiting device. Furthermore, the present disclosure invention relates to the use of a height limiting device in such an escalator device.


Find Patent Forward Citations

Quick Actions:

Haag, Martin. (2026). Escalator apparatus having a height-limiting device acting on step rollers, and use (U.S. Patent No. 12790177). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12790177

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

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