Patent · US Expired

Roof window with an improved securing device

US6493999B2 · kind B2 · utility

2Cited by
11References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 2001
Grant dateDec 17, 2002
Priority date
Expiry dateMar 12, 2021

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/152
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The window frame structure of the roof window is secured to the main frame structure within a predetermined range of the opening angle by means of a securing device comprising at least one torsion member. The torsion member is torsionally biased in the opening direction of the window and includes engagement means at a distance from the pivot axis for engagement with corresponding engagement means on the window frame structure. The securing device is automatically activated and deactivated during mounting and dismounting of the window frame from the main frame.

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