Excavating – Peat excavators
Patent
1979-08-09
1981-04-28
Eickholt, E. H.
Excavating
Peat excavators
E01H 504
Patent
active
042637295
ABSTRACT:
There is described a scraping device the control means of which comprise an electric motor fastened to said fixed part and so arranged as to rotate a drive wheel driving a cable, chain or similar which is connected with the one end thereof to the movable arm free end, in the direction for raising said movable arm against the spring force, a housing for storing said cable, chain or similar in the movable arm upper position being provided upstream of the drive wheel, and an electric device for locking and releasing said movable arm, as well as electric connections connecting said electric motor and electric locking and releasing device to the vehicle driver positions.
REFERENCES:
patent: 1805933 (1931-05-01), Victor
patent: 2211277 (1940-08-01), Mere
patent: 2234645 (1941-03-01), Hetzelt
patent: 2290060 (1942-07-01), Massey
patent: 2994896 (1961-08-01), Lopes
patent: 3086303 (1963-04-01), Weeks
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