Crushing machines
AssigneeTerex GB Limited
InventorsKarl Robinson, Jonathan Nevin, Anthony Devlin
Life of this patent
Estimating the term…
Abstract
A crushing machine that includes a crusher, a feed conveyor for feeding material to the crusher, a detector for detecting metal in the material on the feed conveyor, and a bypass chute for the crusher. The feed conveyor being movable between a normal operating position in which the material is fed to the crusher and a bypass position in which the material is fed to the bypass chute. Upon detection of metal in the material, the feed conveyor is stopped and moved from the normal operating position to the bypass position so that the material with the metal is discharged into the bypass chute.
Claims18
An aggregate crushing machine comprising a base on which are mounted a feed conveyor, a screening unit, a crusher and a main conveyor, an arrangement of the machine being such that a material comprising an aggregate to be crushed will be fed from the feed conveyor to the screening unit for separation so that a finer material will be passed onto the main conveyor without passing through the crusher and a coarser material will be fed via the crusher to the main conveyor, the screening unit comprising a screen that vibrates when operative, the screening unit comprising a frame on which the screen is mounted, the frame being movable between an inoperative position in which the frame is substantially horizontal and an operative position in which the frame is angled relative to the substantially horizontal inoperative position.
A method of forming a machine for crushing and screening aggregate material, the method comprising:
- mounting a feed conveyor, a screening unit, a crusher and a main conveyor on a base and arranging the feed conveyor, the screening unit, the crusher and the main conveyor such that a material comprising an aggregate to be crushed is fed from the feed conveyor to the screening unit and separated by the screening unit so that a finer material passes onto the main conveyor without passing through the crusher and a coarser material is fed via the crusher to the main conveyor;
- and
- supporting a screen of the screening unit with a frame such that the screen of the screening unit can vibrate when operative and the frame on which the screen is mounted is movable between an inoperative position in which the frame is substantially horizontal and an operative position in which the frame is angled relative to the substantially horizontal inoperative position.
Dependencies are inferred from the claim text.