Patent · US Expired

Vertical blind with movable auxiliary rod support

US4848434A · kind A · utility

8Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1988
Grant dateJul 18, 1989
Priority date
Expiry dateMar 17, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S160/90
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A vertical blind of the type having a horizontal carriage guide channel and a blind operating rod extending lengthwise of the channel and slat carriages guidably mounted in a first trackway extending lengthwise of the side walls of the channel. One or more movable auxiliary carriages are provided in the guide channel and have guide shoes extending laterally from opposite ends at locations to guidably support the auxiliary carriages in a second trackway on channel vertically offset from the trackway that supports the slat carriages.

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