F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
56/121, 74/265
F16H 7/12 (2006.01) A01D 61/00 (2006.01) B65G 39/16 (2006.01) F16H 7/00 (2006.01) F16H 7/08 (2006.01)
Patent
CA 1046306
SELF-ALIGNING IDLER Abstract of the Disclosure A self-propelled combine has a series of rotary paddles for moving the crop rearwardly along the feeder housing from the platform to the combine separation system. The paddles are driven by a series of interconnected chain drives on the side of the feeder house, each drive including a chain trained around sproc- kets on the adjacent paddle shafts, and each drive is provided with an adjustable idler to vary the chain tension. Each idler includes a hexagonal shaft mounted in a support for adjustment normal to the shaft axis, and a ball type bearing is mounted on the shaft, the bearing having an inner periphery conforming to the shaft cross section so that it is axially slidable but non- rotatable thereon. The outer race of the bearing is provided with a sprocket that engages the drive chain, and the idler shift freely shifts along the shaft within limits to stay in alignment with the driven and driven sprockets.
236786
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