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.

Abstract: A crushing machine including a crushing means, a feed conveyor for feeding material to the crushing means, a detector for detecting metal in the material on the feed conveyor, and a bypass chute for the crushing means, the feed conveyor being movable between a normal operating position in which the material is fed to the crushing means and a bypass position in which the material is fed to the bypass chute, the arrangement being such that on 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.

Abstract: A crushing machine including a crushing means, a feed conveyor for feeding material to the crushing means, a detector for detecting metal in the material on the feed conveyor, and a bypass chute for the crushing means, the feed conveyor being movable between a normal operating position in which the material is fed to the crushing means and a bypass position in which the material is fed to the bypass chute, the arrangement being such that on 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.

Abstract: A crushing machine including a crushing means, a feed conveyor for feeding material to the crushing means, a detector for detecting metal in the material on the feed conveyor, and a bypass chute for the crushing means, the feed conveyor being movable between a normal operating position in which the material is fed to the crushing means and a bypass position in which the material is fed to the bypass chute, the arrangement being such that on 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.

Abstract: A foldable side frame for a side conveyor system of a screening unit for processing materials that allows placing the side conveyor system within an envelope of a screening device. The system includes a base, mid and upper frame section of the side conveyor system, and a number of variable length rams that pivot the mid frame relative to the base frame about a first pivot axis and a pivot the upper frame relative to the mid frame about a second pivot axis in which in the operative position the first and second axes are obliquely angled relative to one another.

Abstract: A foldable side frame for a side conveyor system of a screening unit for processing materials that includes means of placing the side conveyor system within an envelope of a screening device. The system comprises providing a base, mid and upper frame section of the side conveyor system with a first operating means acting to pivot the mid frame relative to the base frame about a first pivot axis and a second operating means acting to pivot the upper frame relative to the mid frame about a second pivot axis in which in the operative position the first and second axes are obliquely angled relative to one another.

Abstract: “A security window assembly comprising a frame having four members and a pane member securable within the frame. The bottom member of the frame contains a milled groove. The top member of the frame contains a stepped groove having a first groove of a first depth and a second groove of a second and deeper depth. The pane is installed by sliding it into the second depth groove to allow it clearance to then be installed in the bottom member groove. The pane can only be removed by sliding it into the second depth groove which removes the pane from the bottom member groove. When in place in the window, the pane is positioned within the bottom member groove and within the first depth groove of the top member. Clamps hold the pane in place.