Patent · US Active

Device to close the gun slit or opening

US8065948B1 · kind B1 · utility

5Cited by
14References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 2008
Grant dateNov 29, 2011
Priority date
Expiry dateJul 7, 2029

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF41H5/20
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A protection device to close the gun slit (or opening) of a mount, such gun slit delimited by two lateral flanges and two end flanges and in which pivots or moves a mobile organ carrying a mobile wall positioned between the exterior and interior of the mount, device which comprises at least one flexible bellows integral on one side with an end flange of the gun slit and on the other with the mobile organ (3), such device wherein the bellows and wall delimit an intermediate chamber that is linked to the internal space (10) of the mount, such space being pressurized by pressurization means.

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