Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Reexamination Certificate
2008-06-05
2011-10-18
Pezzuto, Robert (Department: 3671)
Earth working
Rolling, rotating or orbitally moving tool
Tool has circumferentially spaced teeth, tines, blades or...
C172S753000
Reexamination Certificate
active
08037943
ABSTRACT:
Fastening device for coupling of blades in agricultural cultivation machines, in particular, tilling machines such as rotary tillers, including an intermediate fastening element, formed by a solid body, which joins the blade to the rotary plate; the intermediate fastening element being equipped with a fastening arrangement for linking the fastening arrangement to the rotary plate; a guiding arrangement for insertion of the blade into the intermediate fastening element; and at least one through hole, extending transversely with respect to the direction of the guiding arrangement and intended for insertion of a retractable pin which, when the pin is inserted, acts as a retaining element for the blade with respect to the intermediate fastening element such that the arrangement enables the user/operator to manually replace and/or reset the tilling blade, avoiding any need for accessory tools commonly used for this purpose.
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Digger Tools, S.L.
Goldberg Richard M.
McGowan Jamie L
Pezzuto Robert
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