Wedging assembly for sealing an edge of a window shade

Details Wedging assembly for sealing an edge of a window shade Wedging assembly for sealing an edge of a window shade

E - Fixed Constructions

06

B

160/20

E06B 9/00 (2006.01) E06B 9/54 (2006.01) E06B 9/58 (2006.01)

Patent

CA 1290679

ABSTRACT OF THE DISCLOSURE: A profile assembly is disclosed for the wedge- sealing of a sheet of flexible material such as the shade of a window. It is made up of a female and of a male extruded plastic profile, The female profile is U-shaped and defines an open housing; one of its legs has, at its free end, a resilient sealing lip turned into the housing while the other leg has, also at its free end, a first wedging lip. The male profile is L-shaped and has a wedging branch and a base branch; the two making between them an inner angle of less than 30°. Furthermore, the base branch includes, at the end away from the wedging branch, an upright arm having a second wedging lip on its face that looks toward the first wedging lip. The sealing lip, when unstressed, and the first wedging lip are spaced apart a predetermined distance; this length and this distance being selected to allow, in use, with the wedging branch inserted into the housing and with an edge of the window shade slid between the sealing lip and the wedging branch: the second lip to be brought first against the first lip, then to be moved over the first lip thereby causing the shade to be sealed pressed against the sealing lip by the wedging branch, and there- after the second lip to fall behind the first lip and be snapped into interlocking engagement therewith within the housing while the shade remains sealed pressed against the sealing lip by the wedging branch. A coplanar extension of the base branch past the upright arm and facing the first wedging lip prevents further inward movement of the male profile into the housing when the first and second wedging lips are unlocked.

555101

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