Patent · US Expired

Handrail compensation device

US7770710B2 · kind B2 · utility

1Cited by

3References

12Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Andreas Stuffel · Porta Westfalica, DE
Sameh Samdzada · Meerbeck, DE

Key dates

Filing date	Jul 5, 2004
Grant date	Aug 10, 2010
Priority date	—
Expiry date	Nov 30, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B23/20
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

Method for compensating the length of a movable handrail (10) in a passenger conveyor (2) having a passenger transportation belt (4) defining at least one passenger transportation surface (8), the handrail (10) is traveling along a closed handrail path which extends through an exposed path (12) along the passenger transportation belt (4), around a turnaround means (14), through a return path (16) and around a further turnaround means (18), and which hand rail path defines a handrail plane which is substantially perpendicular to the passenger transportation surface, the method comprising the following steps: (i) turning the handrail (10) out of the handrail plane; (ii) directing the handrail (10) through a compensation means (38); and (iii) turning the handrail (10) back into the handrail plane.

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