Patent · US Expired

Equipment for determining elevator car position

US6877587B2 · kind B2 · utility

10Cited by
12References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 2004
Grant dateApr 12, 2005
Priority date
Expiry dateJan 29, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B1/3492
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Equipment for determining a position of an elevator car movable along a guide flange of a guide rail in an elevator installation with a code carrier extending in a travel direction along a length of the guide rail in a groove includes a mount attached to the elevator car, a code reading sensor system attached to the mount, and a plurality of guide rollers rotatably attached to the mount and rolling on the guide flange to maintain the code reading sensor system at a predetermined spacing from the code carrier along two axes.

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