Tool driving or impacting – With vehicle support for drive – Drive structure moved to nonuse position for transport
Patent
1978-10-16
1982-02-16
Mackey, Robert
Tool driving or impacting
With vehicle support for drive
Drive structure moved to nonuse position for transport
173 43, 173 46, 173131, 173133, 173139, E02D 708
Patent
active
043155502
ABSTRACT:
A wheeled, self-propelled apparatus has a percussion tool or hammer mounted on its forward end and an impact transmitting means carried on the tractor below the hammer. The impact transmitting means is adapted to be mounted to transmit repeated impacts from the hammer to a cemetery marker until the latter is flush with the ground surface where it will not interfere with ground maintenance, such as lawnmowing and the like.
REFERENCES:
patent: 1039369 (1912-09-01), Eichler
patent: 1140558 (1915-05-01), Annison
patent: 3172483 (1965-03-01), Spitzer
Fulkerson David W.
Smith Lawrence W.
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