B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
15/12.4
B08B 9/00 (2006.01) F23J 3/02 (2006.01)
Patent
CA 1251605
Abstract of the Disclosure A chimney sweeping device is disclosed. The device includes a frame which is mounted on the flue at the top of the chimney. The top section of the frame is enclosed on its three sides and top and has a pair of trap doors hingably mounted on its bottom side. The bottom section of the frame consists of four angle iron legs, at least two of which are hingably mounted to the flue so that the frame may be tipped or tilted away from the top of the flue. A chimney sweeping brush and a weight for pushing the brush down the chimney are provided and are suspended inside the frame via a central pulley mounted at the apex of the top section. Apparatus responsive to the position of the block and brush is provided to open and close the trap doors so that when the block and brush are raised to their highest-most storage position inside the top section of the frame, the trap doors are pulled up closed to seal the top section, and so that when the block and brush are lowered the trap doors drop open to permit their passage therethrough and on down into the chimney flue for cleaning. The cable suspending the block and brush travels through a pulley system across the roof and down the side of the house to a winch system whereby a chimney sweeping operation may be accomplished from the ground.
475617
Ryden David M.
Sim & Mcburney
LandOfFree
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