F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
98/53, 277/56
F16J 15/32 (2006.01) F16K 1/226 (2006.01) F24F 13/10 (2006.01) F24F 13/15 (2006.01) F24F 13/14 (2006.01)
Patent
CA 1108918
ABSTRACT OF THE DISCLOSURE Seals for the edge of a pivoted blade are provided in which an elongated strip of rigid material of U-shaped cross-section having side walls the interior of at least one of which carries resilient teeth pointed toward the closed portion of the U, and the open end of the U is narrowed to enhance the grip of the seal on the edge of a blade. The preferred sealing expedient employs a flap which extends to one side of the strip and which is dimen- sioned so that it does not reach the free end of the adjacent side wall. In one form of the seal, the side wall opposite the flap is extended to lock with a bend on the edge of the blade. In a damper, the seal is mounted on the edge remote from the air flow into the damper so that the flap is biased against the adjoining blade and the air pressure serves to strengthen the seal.
326945
American Hardware & Paint Co. Inc.
Fetherstonhaugh & Co.
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