F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/21, 251/25
F24F 13/08 (2006.01) E06B 7/06 (2006.01) E06B 7/10 (2006.01) F24F 13/14 (2006.01)
Patent
CA 1172088
VALVES Abstract Valve suitable for use in a relatively narrow, elon- gate opening to an air duct in a window frame which ope- ning faces inwardly towards an accommodation space. The valve has at least two, preferably three, separately made, elongate members made by extrusion. A first valve body- forming member and a second holder-forming member together with a third support-forming member are adapted to be pivoted relative to each other. In the closed position of the valve the members are adapted to support each other in triangular form over a substantial part of the length dimension of the valve. The first and second members are jointed together as a pair and the third member is jointed together as a pair with the first member as well as being adapted to make a snap-forming supporting abutment against the second member.
400617
Kirby Eades Gale Baker
Kva-Spil Ltd.
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