Earth working – With drive means for tool or cleaner – With deflector or shield for thrown material
Patent
1978-08-28
1981-03-10
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
With deflector or shield for thrown material
172123, A01B 3302
Patent
active
042548349
ABSTRACT:
A soil working machine has spaced apart groups of soil working tines mounted along the length of an elongated carrier that is driven to rotate through the soil in the normal direction of travel and about a horizontal transverse axis. A hood partially surrounds the groups and is positioned adjacent the front segment of the paths of the tines as they move worked soil upwardly. Portions of the hood, preferably adjacent the groups, are flexible i.e. canvas, rubber or resilient steel strips, and vibrate to shed worked soil. Intervening hood portions are rigid. Side plates adjoin the side edges of the hood and the plates can have apertures covered by flexible portions located at those areas exposed to sticky soil and these flexible portions can be arcuate in configuration.
REFERENCES:
patent: 3347188 (1967-10-01), Richey
patent: 3521712 (1970-07-01), Lely
patent: 3532169 (1970-10-01), Lely
patent: 3538987 (1970-11-01), Taylor
patent: 3542133 (1970-11-01), Lely
patent: 3557879 (1971-01-01), Lely
patent: 3633679 (1972-01-01), Dahlberg
patent: 3768572 (1973-10-01), McCanse
patent: 3892278 (1975-07-01), Smith
patent: 4051902 (1977-10-01), Lely
Bom Cornelis J. G.
van der Lely Ary
C. van der Lely N.V.
Johnson Richard J.
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