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 1057316

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 spring connected to each movable wall for normally positioning the movable wall in the material receiving position and a cam mounted on each movable wall. A part is provided which is positioned over the material receiving portion of a conveyor for cooperation with the cams of the movable walls to pivot the movable walls to the material dumping position against the action of the springs. - 1 -

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