Excavating – Peat excavators
Patent
1974-07-15
1976-08-24
Crowder, Clifford D.
Excavating
Peat excavators
37191A, 37DIG2, 192 12BA, 280255, E02F 308
Patent
active
039758435
ABSTRACT:
A power spade which is hand operated by one man and does the work of a common pick and shovel is disclosed. The power spade is designed to operate in confined and restricted areas where larger wheeled or track-conveyor power shovels, ditch diggers, trenches, etc., cannot operate. The invention comprises a portable one-man operated shovel type digger which has an upright frame supporting an endless chain that has a number of buckets attached thereto. A small electric or gasoline motor is coupled to the frame and drives the endless chain on which the buckets are disposed. An operator holds the frame in position by grasping the handle and by bracing with one foot a lever stirrup assembly. Direction of the digging is controlled by the operator tilting the frame and pushing or pulling on the bracing lever with his foot. The buckets have formed sidewalls which are rigidly attached to a chain and bottoms which are pivotally mounted on the chain, and capable of engaging a cam, thereby ejecting soil contained therein.
REFERENCES:
patent: 1760964 (1930-06-01), Ruth
patent: 1764949 (1930-06-01), George
patent: 2723131 (1955-11-01), McChesney, Jr.
patent: 2890532 (1959-06-01), Ellison
patent: 2990631 (1961-07-01), Brown
patent: 2997276 (1961-08-01), Davis
patent: 3051445 (1962-08-01), Moulton
patent: 3430982 (1969-03-01), Despain et al.
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