Patent · US Active

Load sharing handrail drive apparatus

US7954619B2 · kind B2 · utility

5Cited by

22References

19Claims

0Family size

Assignee

Kone Corporation · FI

Inventors

Thomas Nurnberg · Coal Valley, US
Esko Aulanko · Kerava, FI
Glen Collison · Rock Island, US
Randall Keemle · Rock Island, US

Key dates

Filing date	Sep 21, 2007
Grant date	Jun 7, 2011
Priority date	—
Expiry date	Nov 30, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B23/04
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A handrail drive apparatus is provided comprising a first drive wheel assembly configured to drive a handrail and comprising a planetary gear train arranged to be driven by a first driving member. The handrail drive apparatus further comprises a second drive wheel assembly configured to drive the handrail, the second drive wheel assembly being coupled to the planetary gear train of the first handrail drive wheel assembly by a second driving member. The planetary gear train of the first handrail drive wheel assembly is configured to divide a torque imparted by the first driving member between the first and second drive wheel assemblies.

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