B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
15/12.4
B08B 9/02 (2006.01)
Patent
CA 1229456
ABSTRACT A power brush for cleaning drill pipe is disclosed utilizing a rotary gun having a rotary power shaft, a handle for gripping the gun and approximately located trigger for actuating the shaft to rotate. A circular baffle plate is mounted securedly to the gun and provides an opening through which the rotary shaft passes during operation with some clearance thus allowing rotation of the shaft with respect to the plate. A cylindrical shroud is affixed to the periphery of the baffle plate forming a closed end portion of the shroud adjacent the gun, the opposite end of the shroud being an open ended portion thereof. A brush carriage is mounted securedly yet removably to the shaft for rotation therewith, the carriage providing a generally circular hub having a hub opening through which the shaft passes and then attaches during operation. A plurality of inwardly facing channels are securely and equi-radially affixed about the periphery of the hub and are mounted at one end of the channel to the hub projecting outwardly therefrom along the line which eventually intersects the axis of the shaft. Each of the channels carries a wire brush having a plurality of projecting bristles spaced along the length thereof with the bristles of each of the brushes secured within the channels registering with the threads of the drill pipe being cleaned.
461889
Begneaud Donald M.
Ogilvy Renault
LandOfFree
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