Patent · US Active

Modified handrail

US8820511B2 · kind B2 · utility

4Cited by

87References

10Claims

0Family size

Assignee

EHC CANADA, INC. · CA

Inventors

Viqar Haider · Markham, CA
Andrew Oliver Kenny · North York, CA
Alexander Stuart Caunce · Cobourg, CA

Key dates

Filing date	Sep 10, 2008
Grant date	Sep 2, 2014
Priority date	—
Expiry date	Mar 27, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2307/536
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Modified handrails for use in escalators, moving walkways and other transportation apparatus are provided. Handrail can include a configuration for a cable array as a stretch inhibitor that reduces cable buckling under severe flexing conditions. Handrail can also include a configuration for first and second thermoplastic layers in the lip portions that reduces strain and bending stresses and increases fatigue failure life under cyclic loading conditions. Handrail can also include, for the stretch inhibitor, the use of cables comprising large outer strands and small inner strands that enable penetration and adhesion within the first layer and can reduce incidence of fretting or corrosion.

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