Tunneling machines and other cutting machines
AssigneeBouygues
InventorMarcel Montacie
Life of this patent
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Abstract
The invention relates to a tunneling machine or other machine provided with tools for cutting materials from a wall located in front of the machine, said machine comprising a movable frame carrying a head rotatably driven about an axis, said head bearing at least one bucket for picking up said materials after cutting and for dumping the materials on or towards a conveyor, said bucket having an inlet opening for picking up the materials when the bucket passes through a low position during the rotation of the head, and said bucket having an outlet opening for dumping the materials, said outlet opening being offset to the rear of the head with respect to the said inlet opening.
Claims8
A cutting machine for cutting materials from a wall located in front of the machine including a movable frame having a cutting head rotatable about a fixed horizontal axis, said cutting head supporting at least one bucket adjacent the periphery thereof and rotatable about a circumferential path having a low point and a high point for picking up the material and depositing the material on a conveyor, said bucket having an inlet opening and an outlet opening axially spaced from each other with said outlet opening spaced rearwardly of said inlet opening in the direction of travel of said frame, said inlet and outlet openings having separate inlet and outlet passages leading therefrom and communication means between said passages spaced radially inwardly with respect to said axis from said inlet and outlet openings.
Dependencies are inferred from the claim text.