Patent · US Expired

Louver and louver curtain constructed therefrom

US6830091B2 · kind B2 · utility

2Cited by
8References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 2002
Grant dateDec 14, 2004
Priority date
Expiry dateOct 8, 2022

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE06B9/36
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A louver for a louver blind curtain comprising two parts which can be moved in a telescope-like manner with respect to each other. By means of a rubber traction device, the louver parts are subjected to pre-tension in the direction toward the shortened position of the louver. The louver curtain comprises a multitude of louvers whose length can be automatically changed and which are guided at both ends on guide tracks. The connection between the louver and each guide track is achieved by a respective slider, where the slider is provided at one end of the louvers with a drive, to change the angular position of the louvers. In addition, those sliders which travel the longest distance during the opening and the closing of the curtain are provided with screwed spindle drives.

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