B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
198/100
B65G 17/38 (2006.01) B65G 19/22 (2006.01)
Patent
CA 1227156
DRAG CHAIN CONVEYOR AND CHAIN LINK THEREFORE ABSTRACT OF DISCLOSURE A drag chain conveyor for conveying solid material such as coal, ash, cement clinker, cement dust, ores, sand, and gravel, and other diverse materials. The conveyor is capable of being reversible so that material can be fed to the center of a drag chain conveyor utilizing the principles of this invention and conveyed in either direction of travel. The chain link itself is a modified T-link in the general shape of a cross with one member of the cross acting as the material pusher and the other member of the cross being in the direction of travel of the chain and serving as the chain link. The chain link member has a lug at one end and a U-shaped enlargement at the other end with the lug of one link being pivotal connected to the U-shaped enlargement of an adjacent link to thereby form the chain. The U-shaped enlargement has a pair of surfaces each adapted to be selectively engaged by the teeth of an asymmetrical drive sprocket. When the conveyor is driven in one direction, the drive sprocket engages one face of the link. When the conveyor is driven in the other direction, the drive sprocket engages the other face of the chain. The chain and sprocket are designed so that the chain pivots around the center line of the pin connecting two lengths when engaging the sprocket and disengaging the sprocket. The sprocket is asymmetrical in configuration to allow for proper chain engagement and disengagement.
434893
Fuller Company
Osler Hoskin & Harcourt Llp
LandOfFree
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