Conveyor folding and moldboard operation for excavating and...

E - Fixed Constructions – 02 – F

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262/38

E02F 3/24 (2006.01)

Patent

CA 1055534

CONVEYOR FOLDING AND MOLDBOARD OPERATION FOR EXCAVATING AND LOADING SYSTEMS Abstract of the Disclosure The present invention relates to an excavating wheel. The wheel is comprised of a pair of spaced apart side plates each extending radially outwardly with respect to a central axis of rotation. A plurality of stationary walls each extend between the side walls and each have outwardly projecting material cutters. A plurality of movable walls each extend between the side walls and cooperate with one of the stationary walls to define a digging bucket. The walls thereby define a plurality of digging buckets positioned immediately adjacent one another to define the entire periphery of the excavating wheel. Each of the movable walls are supported for pivotal movement between a material receiving position and a material dumping position. A unit is provided which is entirely enclosed and which is responsive to the rotation of the wheel for positively pivoting the movable wall of each digging bucket to the material receiving position during one portion of the rotation and for positively pivoting the movable wall of each digging bucket to the material dumping position during another portion of the rotation. The unit is comprised of a cam track which is disposed around the axis of rotation of the buckets. A plurality of cam followers are provided, each connected to one of the movable walls and each operatively engaged with the cam track for actuation thereby to pivot the movable walls between the material receiving and the material dumping positions. - 1 -

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