Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter
Reexamination Certificate
2007-12-04
2007-12-04
Singh, Sunil (Department: 3673)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Percussive-type cutter
Reexamination Certificate
active
11132878
ABSTRACT:
A mine scaling vehicle for use in removing loose materials from the roof and walls of underground mines includes an articulated frame with a turntable mounted on a forward portion of the frame and a drive system mounted on the back portion of the frame. The turntable rotatably supports an operators cab and a boom carrying a scaling pick, with the operators cab being located centered rearwardly of the boom to provide improved scaling visability for the operator. The drive system and a hydraulic control system of the mine scaling vehicle are mounted on the frame located below a plane of the turntable to provide a low center of gravity of the mine scaling vehicle.
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Sales Brochure “Gradall XL5110 Mine Scaler”; Gradel, Mar. 28, 2004.
Sales Brochure “Fletcher, Model 326ORD High Reach Scaler”; Fletcher Mining Equipment, Mar. 28, 2004.
Remus David H.
Rudinec Stephen A.
Oldenburg Group Incorporated
Reinhart Boerner Van Deuren s.c.
Singh Sunil
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