Tool driving or impacting – With indicating or signaling means
Patent
1975-01-23
1976-08-24
Purser, Ernest R.
Tool driving or impacting
With indicating or signaling means
173140, 173163, 175170, E04H 1726
Patent
active
039761479
ABSTRACT:
A safety earth auger is employed for forming post holes and in similar uses. The auger is supported pivotally beween elongated handles and is driven from an engine mounted on a remote frame. The frame has ground wheels which provide for stability during operation while permitting the frame to pivot as the auger enters the earth.
REFERENCES:
patent: 382689 (1888-05-01), Chapman
patent: 2533957 (1950-12-01), Roelfs
patent: 2565224 (1951-08-01), Gibbens
patent: 2592402 (1952-04-01), Erdahl
patent: 2604304 (1952-07-01), Wilson
patent: 2815049 (1957-12-01), Herscovitch
patent: 3756090 (1973-09-01), Mella et al.
Pate III William F.
Purser Ernest R.
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