Patent · US Expired

Cable winding drum

US6616091B2 · kind B2 · utility

3Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 2001
Grant dateSep 9, 2003
Priority date
Expiry dateDec 27, 2021

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2800/21
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An automatic sliding door cable mechanism with a take up guide member (46) mounted in a drum (14) for taking up slack of a cable during installation of the cable. A second drum (16) has an elliptical profile drum helix (96) for increasing durability of the operating cable for the automatic door.

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