Earth working – With drive means for tool or cleaner – With non-driven tool
Patent
1982-12-07
1985-05-07
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
With non-driven tool
172547, 172554, A01B 2904
Patent
active
045152225
ABSTRACT:
A soil cultivating implement which comprises a row of power-driven rotary soil working members is provided, behind said soil working members with respect to the intended direction of operative travel of the implement, with a freely rotatable roller (10) having a cylindrical carrier (11) and a plurality of projections (12) formed in integral pairs and arranged in groups or crowns at regularly spaced apart intervals along the intended axis of rotation (a) of the roller (10). In order substantially to prevent clods of earth, old roots and the like from becoming jammed between the groups or crowns of projections (12), the relatively facing sides of the groups or crowns skeletally define radially outwardly divergent surfaces (B) and a pointed scraper (17) bears against the carrier (11) between each group or crown of projections (12). The projections (12) are secured to the carrier (11) by welding seams that extend parallel or substantially parallel to the axis (a) and alternative constructions of the projections are both described and illustrated.
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patent: 4302129 (1981-11-01), Arenz
patent: 4412588 (1983-11-01), Lely
Albright Penrose Lucas
Johnson Richard J.
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