Shutter device with re-inserting element

  • US 7,036,549 B2
  • Filed: 12/03/2002
  • Issued: 05/02/2006
  • Est. Priority Date: 12/03/2001
  • Status: Active Grant
First Claim
Patent Images

1. Shutter device intended to close an opening (11) or other aperture and able to undergo a downwards and upwards movement, the shutter (1) having substantially continuous flexible lateral edges (5,6) that project with respect to the plane of the shutter (1) and that are running in guideways (7, 8) mounted on a fixed support (9),means being provided, at least at the lower part of the opening (11) or other aperture, for allowing the lateral edges (5,6) to disengage from their guideways (7,8) when a certain tensile force transverse to the longitudinal direction of the guideways (7,8) is exerted on the lateral edges (5,6),reintroduction means being provided to engage the lateral edges (5,6) again in the upper part of the guideways (7,8) during the upwards movement of the shutter (1), whereby said reintroduction means comprise guide members (20) provided facing the guideways (7,8) so as to divert the edges (5, 6) of the shutter (1) into the guideways (7,8) during the upwards movement of the shutter (1),wherein the guideways (7,8) are interrupted between the upper part of the guideways (7,8) and the lower part of the guideways (7,8) whereby the lower end of the upper part of the guideway (7,8) is mounted movable with respect to the lower part of the guideway (7,8) such that, during the upwards movement of the shutter (1) when the corresponding lateral edge (5,6) thereof is disengaged from the lower part of the guideway (7,8), said upper part moves as a result of the action, of the lateral edge of the shutter.

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