Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent
1979-08-29
1981-10-13
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
With material-handling means
371175, 37DIG18, 173 43, 173 46, 414724, E02F 396
Patent
active
RE0307696
ABSTRACT:
An impact rock breaker includes detachable mounting means and latching means operative to mount the rock breaker on the stick of a backhoe or excavator adjacent the bucket such that the rock breaker can be pivoted between a non-operative position out of the way of the bucket to permit normal operation of the bucket and an operative position latched to the bucket for movement with the bucket for normal operation of the rock breaker.
REFERENCES:
patent: 1067375 (1913-07-01), Proctor
patent: 2969844 (1961-01-01), Hamrick
patent: 3097439 (1963-07-01), Calkin
patent: 3233687 (1966-02-01), Grimes
patent: 3779408 (1973-12-01), Ivie
patent: 3854608 (1974-12-01), Arnold
Cobb Delwin E.
Fidler Jerry D.
Gutman Nathan
Livesay Richard E.
Simmons Gerald P.
Caterpillar Tractor Co.
Heming William B.
Purser Ernest R.
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