Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1984-08-17
1985-11-05
Burr, Edgar S.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37DIG3, 37DIG12, 1727013, 172753, 414724, 414912, E02F 376
Patent
active
045505128
ABSTRACT:
An excavator bucket has a ground engaging portion with a central housing and side housings providing sockets for receiving the tangs of various implements for use in the excavation and grading of earth. The structure and arrangement of the housings provide a secure mounting for the various implements and also permits a ready attachment and detachment from the bucket with a minimum number of connections.
REFERENCES:
patent: 3921837 (1975-11-01), Vandewater
patent: 3942271 (1976-03-01), George
patent: 4043060 (1977-08-01), Stepe
patent: 4151664 (1979-05-01), Maura
patent: 4189854 (1980-02-01), Haynes
patent: 4208814 (1980-06-01), Stone
patent: 4278368 (1981-07-01), Livesay
patent: 4360980 (1982-11-01), Jarvis
patent: 4411081 (1983-10-01), King
patent: 4411585 (1983-10-01), Quinn
Burr Edgar S.
Cohen Moshe I.
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