F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 29/34 (2006.01) F04D 25/08 (2006.01) F24F 7/007 (2006.01)
Patent
CA 2274160
A fan blade assembly includes a mounting arm with a mounting end formed with a plurality of engaging posts. A blade member has a plurality of mounting holes, each having a larger bore portion and a smaller notch portion divided by a constricted portion. A plurality of elastomeric coupling members are sleeved securely on the engaging posts, and have shanks, and radial outward peripheral flanges. Each coupling member is fitted snugly in the notch portion by passing the shank thereinto after the peripheral flange has been brought to pass through the bore portion to rest on one side of the blade member. A cap member has a plurality of engaging plugs. Each engaging plug is inserted into and is fitted snugly in the bore portion of the respective mounting hole in such a manner that a guiding portion thereof will gradually be brought to abut against the constricted portion.
Gowling Lafleur Henderson Llp
Wu San-Chi
LandOfFree
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