US 12,029,159 B2
Cutter head for a brush cutter
Achim Rethaber, Fellbach (DE)
Assigned to Andreas Stihl AG & Co. KG, Waiblingen (DE)
Filed by Andreas Stihl AG & Co. KG, Waiblingen (DE)
Filed on Jun. 4, 2021, as Appl. No. 17/338,760.
Claims priority of application No. 20180105 (EP), filed on Jun. 15, 2020.
Prior Publication US 2021/0386014 A1, Dec. 16, 2021
Int. Cl. A01D 34/73 (2006.01); A01D 34/82 (2006.01)
CPC A01D 34/733 (2013.01) [A01D 34/82 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A cutter head for a brush cutter, the cutter head comprising:
a base body comprising a top base body part and a bottom base body part, wherein the base body is configured to be rotatably driven in operation of the brush cutter about an axis of rotation of the base body;
a screw element arranged at the bottom base body part, wherein the screw element is configured for attachment to an output shaft of the brush cutter;
a receptacle configured to fasten a cutting tool, wherein the receptacle is arranged between the top base body part and the bottom base body part;
wherein the top base body part and the bottom base body part are held at each other by a releasable snap-on connection;
wherein the snap-on connection is positioned at a radial distance from the axis of rotation of the base body, wherein the radial distance is measured in a radial direction relative to the axis of rotation of the base body, wherein the distance amounts to at most 40% of a diameter of the cutter head;
wherein the top base body part comprises a collar arranged in an interior of the top base body part, wherein the collar surrounds a central opening of the top base body part;
wherein the bottom base body part comprises an interior region, wherein the interior region is a securing sleeve, wherein the securing sleeve is arranged in the central opening of the top base body part in a mounted state of the cutter head;
wherein, in the mounted state of the cutter head, the snap-on connection is arranged in the central opening of the top base body part in a protected position enclosed by the securing sleeve of the bottom base body part.