Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Patent
1979-07-05
1981-07-28
Shapiro, Paul E.
Earth working
Rolling, rotating or orbitally moving tool
Tool has circumferentially spaced teeth, tines, blades or...
172123, 172125, 172117, 172555, A01B 700, A01B 900, A01B 3302, A01B 3310
Patent
active
042805651
ABSTRACT:
A soil cultivating machine includes a frame and a plurality of cultivating members in one or more groups journalled to said frame. Each group is driven to rotate about a horizontal shaft extending substantially transverse to the direction of machine travel. The groups of cultivating members are preferably arranged in at least two groups located side-by-side and pivotable about transverse pivots to move vertically against spring opposition to avoid obstacles. Each cultivating member is made of semicircular plates fastened to rings on the horizontal shaft and the plates can have cuts that divide them into segment parts. The outer working portions of the plates can be offset so that neighboring members work paths that overlap or are closely adjacent one another. Each group has respective side plates and a hood supported by the plates and the hood is interconnected to the frame with a spring-loaded rod.
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Mason William B.
Shapiro Paul E.
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