Cutter unit for a rotary tilling machine
AssigneeMaschio Gaspardo S.P.A.
InventorPAOLO BARALDI
Life of this patent
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Abstract
A cutter unit for a rotating tilling machine comprises a coupling flange connected to a rotor, a first blade and a second blade that comprises a respective operating portion and a respective coupling portion. The cutter unit further comprises a housing seat for the bladed. The coupling portion of the first blade comprises an opening suitable for housing a locking element for locking said first blade in a direction of extraction of the blades from the housing seat and the blades comprise a respective shaped portion arranged one after the other along the direction of extraction of the blades.
Claims17
A blades assembly for a cutter unit of a rotary tiller machine, comprising a first blade and a second blade, said first and second blades comprising a respective working portion and a respective coupling portion, said coupling portions being insertable into a housing seat of the cutter unit,
- wherein the coupling portion of the first blade comprises an opening capable of accommodating a locking element for locking said first blade on the cutter unit in at least one direction of extraction of said blades from said housing seat, said direction of extraction being defined by the direction of longitudinal development of said coupling portions, said blades comprising a respective shaped portion, said shaped portions being connectable to one another in such a way that said shaped portions are arranged one after the other along the direction of extraction of the blades.
A cutter unit for a rotary tiller machine comprising a coupling flange connected or connectable to a rotor of the tiller machine, a first blade and a second blade, said first and second blades comprising a respective working portion and a respective coupling portion, said cutter unit further comprising a housing seat for said blades, which extends in a radial direction on said coupling flange and towards the outside of the same, wherein the coupling portion of the first blade comprises an opening capable of accommodating a locking element for the locking of said first blade with respect to said coupling flange in at least one direction of extraction of said blades from said housing seat, said direction of extraction being essentially parallel to said radial direction, said blades comprising a respective shaped portion, said shaped portions being arranged one after the other along the direction of extraction.
A cutter unit according to claim 12, wherein said screw comprises a shaped head of said counter-flange or said flange comprising a seat within which said head may be held in such a way as to prevent the rotation of said screw.
Dependencies are inferred from the claim text.