Patent · US Expired

Step platform for an escalator

US5381881A · kind A · utility

9Cited by

5References

20Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Helmut Meyer · Bückeburg, DE
Hermann W. Ahls · Premnitz, DE
Klaus Blaseck · Ehlershausen, DE
Udo Schmitting · Kirchberg, DE

Key dates

Filing date	Nov 12, 1993
Grant date	Jan 17, 1995
Priority date	—
Expiry date	Nov 12, 2013

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B31/006
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A step platform for an escalator having a step chain with a plurality of axles is provided comprising a lower step attached to an axle of the step chain, a higher step, attached to an axle of the step chain, having a middle section, and apparatus for actuating the middle section. The actuating apparatus is operated by the rotation of the step chain axles in the transition zones between the landings and the inclined midsection of the escalator.

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