E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 25/18 (2006.01) A01C 5/06 (2006.01) B28D 1/18 (2006.01) E02F 3/24 (2006.01)
Patent
CA 2142106
2142106 9404791 PCTABS00030 An apparatus for cutting and breaking rock is described. The apparatus comprises a cutting disc (13) having an attached wedge (11). Cutting disc (13) can be rotated by shaft (16) to cut a groove into rock. After a pre-determined distance, wedge (11) is forced into the cut groove to cause the rock above the groove to be broken away. Shaft (16) is powered by a drive motor, and can include a kick back mechanism to prevent wedge (11) from being trapped in the cut groove. The entire apparatus can be mounted to the three point linkage of a tractor.
Borden Ladner Gervais Llp
University Of Queensland (the)
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