Cutting device with cutting cylinder unit having curved...

Details Cutting device with cutting cylinder unit having curved... Cutting device with cutting cylinder unit having curved...

2005-11-15

2005-11-15

Kovács, Arpad Fab (Department: 3671)

Harvesters

Cutting

Hedge or plant-row trimmers

Reexamination Certificate

active

06964151

ABSTRACT:
A cutting cylinder unit and cutting divice for shaping a plant, such as a boxwood bush. The cutting device comprises at least one cutting cylinder unit. The cutting cylinder unit comprises a cutting cylinder with a surface of revolution which is rotationally symmetrical with respect to a cylinder center axis and with cutting members provided along the suface of revolution; a cylinder drive for driving the cutting cylinder in rotation about the cylinder center axis; and a cutting edge which is provided along the outside of the surface of revolution for interacting in a cutting manner with the cutting member. The surface of revolution and the cutting edge, as seen in the direction of the cylinder center axis, have corresponding curvatures. This curvature is substantially matched to a predetermined desired shape of the plant.

REFERENCES:
patent: 2097761 (1937-11-01), Gallinant
patent: 2645074 (1953-07-01), Jones
patent: 3873038 (1975-03-01), Wagstaff
patent: 4627227 (1986-12-01), Dixon
patent: 5694753 (1997-12-01), Dellinger
patent: 1 079 581 (1954-12-01), None
patent: WO 9812911 (1998-04-01), None

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