Patent · US Expired

Step attachment on the step chain of an escalator

US7222713B2 · kind B2 · utility

5Cited by

14References

20Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Uwe Hauer · Nienburg, DE
Andreas Stuffel · Porta Westfalica, DE
Helmut Meyer · Bückeburg, DE
Richard N. Fargo · Plainville, US

Key dates

Filing date	Nov 15, 2001
Grant date	May 29, 2007
Priority date	—
Expiry date	Dec 15, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B23/12
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The invention pertains to an escalator (2) with an endless stair band (6) that is composed of several interconnected steps (4), wherein a step (4) contains a walking surface (16) and a front side (18) and is connected to respective lateral step chains (8) that are driven around a lower and an upper reversing point (22) by means of a drive, and wherein a step (4) contains at least one step roller (34) that is guided by a step roller guide. The invention is characterized by the fact that the point (32) at which a step (4) is fastened to the step chain (8) is arranged in the vicinity of the front side (18) of the step (4).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.