Tool driving or impacting – Automatic control of power operated means – Tool advance causing or controlling means
Patent
1975-10-28
1976-11-09
Spar, Robert J.
Tool driving or impacting
Automatic control of power operated means
Tool advance causing or controlling means
173 46, 299 67, E02F 338
Patent
active
039905950
ABSTRACT:
An impact rock breaker includes detachable mounting means and latching means operative for mounting the rock breaker on the stick of a backhoe or excavator adjacent the bucket such that the rock breaker can be pivoted to a nonoperative position latched to the stick out of the way of the bucket to permit normal operation of the bucket and an operative position pivoted to and 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: 3233687 (1966-02-01), Grimes
patent: 3779408 (1973-12-01), Ivie
Cobb Delwin E.
Simmons Gerald P.
Stemler Orrin A.
Bell James R.
Caterpillar Tractor Co.
Spar Robert J.
Weaver Ross
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