B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
B65G 23/06 (2006.01)
Patent
CA 2267737
A roller drive sprocket system, in which a drive roller mounts sprockets for driving a belt, and having a general cylindrical drive drum semi-cylindrical grooves formed axially along the surface of the drive drum, sprockets formed of plastic with drive teeth for driving a belt, cylindrical metal keys located in the sprockets, spaced radially, the keys fitting in the semi-cylindrical grooves in the surface of the cylindrical drive drum, portions of the keys extending inwardly to interengage with the semi- cylindrical grooves.
Piasetzki & Nenniger Llp
Van Der Graaf Inc.
LandOfFree
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