E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/82
E21C 25/34 (2006.01) E01C 23/12 (2006.01) E02F 3/96 (2006.01) E04G 23/08 (2006.01)
Patent
CA 2011497
ABSTRACT OF THE DISCLOSURE An attachment for a hydraulic excavator including a pair of jaws mounted on a frame and having offset points or projections on the jaws to apply localized pressure onto a rock or coral piece for breaking the workpiece. Both jaws are movable and operable by individual hydraulic cylinders. The direction of thrust against the jaws being tangential to the arc of movement of the pins for connecting the cylinders to the jaws at a location approximately midway of the operational arc of the jaws.
Labounty Kenneth R.
Labounty Roy E.
Borden Ladner Gervais Llp
Labounty Kenneth R.
Labounty Roy E.
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