US 2015/0305234 A1Published application

Filament cutterhead for a brushcutter

AssigneeAndreas Stihl AG & Co. KG

InventorsDavid Guenther, Thomas Hauber

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Abstract

A filament cutterhead for a brushcutter is able to be driven in a rotatable manner during operation in a rotational direction about a rotational axis. The filament cutterhead has a base body on which at least one cutting filament is retained and which has a lower face facing the ground during operation. The cutting filament extends from an outer face of the base body through an opening as far as an inner region of the base body which is open toward the lower face of the base body. In order to achieve a low degree of soiling of the filament cutterhead during operation, a shield element is provided in the inner region and the leading portion of the cutting filament in the inner region is arranged in the slipstream of the shield element relative to the rotational direction.

Claims14

Dependent claims

A cutterhead for a brushcutter, the cutterhead being rotatably driveable in a rotational direction about a rotational axis during operation, the cutterhead comprising:

a cutting filament;
a base body having a lower face and being configured to hold said cutting filament;
said lower face being configured to face toward the ground during operation;
said base body defining an outer face and having an inner region open to said lower face thereof;
said base body further having an opening for accommodating said cutting filament;
said cutting filament extending from said outer face of said base body through said opening to said inner region;
a shield element disposed in said inner region and defining a wind shadow;
said cutting filament having a segment running in said inner region;
and,
said segment being arranged in said wind shadow of said shield element with respect to the rotational direction.

7 more elements

Dependencies are inferred from the claim text.