F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
192/16, 230/26
F04B 39/00 (2006.01) F04D 25/10 (2006.01) F16D 43/202 (2006.01)
Patent
CA 1114793
ABSTRACT OF THE DISCLOSURE A fan having an air directing grille mounted in the path of air flow includes moans for rotating the grille at a speed slower than the speed of rotation of the fan blade. The- means for rotation also includes n clutch mechanism having a rotary drive member connected to a arrive shaft, a driven member coaxially mounted on the drive shift in a rotatably free, manner, and resilient means in between the drive member and the driven member to engage both and rotate the members together. The resilient means includes a provision to slip the engngemsnt nnd to permit the rotary dr~e member to rotate wlthout impartlng rotatlon~l moYemeut to the drlvon member when a prodetermined re~tralnt o~ rotation 15 applied to the drlven member.
310328
Allware Agencies Limited
Gowling Lafleur Henderson Llp
LandOfFree
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