A - Human Necessities – 01 – F
Patent
A - Human Necessities
01
F
A01F 25/22 (2006.01) A01F 25/16 (2006.01) F24F 7/013 (2006.01)
Patent
CA 2509806
A grain bin ventilation device comprises a fan having a circular housing for being supported in an existing opening of a grain bin. The housing is suitable shaped for mating engagement with the rim about the existing opening. A channel about a periphery of the housing permits an electrical cord of the fan to be wound about the housing. A carrying strap is provided on the housing so that the device is readily portable from one grain bin to the next.
Battison Williams Dupuis
Perry Industries
LandOfFree
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