发明名称 Grass blade for a trimmer
摘要 A cutting blade for a hand-guided trimmer with a drive motor has a disk-shaped base member with cutting teeth disposed about a circumference of the base member. The base member has a first face and a second face opposite the first face. The cutting teeth each have a tooth face edge, the tooth face edge leading in driving direction of the cutting blade and extending radially, and a tooth back edge extending in the circumferential direction. The tooth face edge and the tooth back edge of the cutting teeth are alternatingly ground on the first face or the second face in the circumferential direction and define together a common cutting tip that is leading in the drive direction. Several of the cutting tips of the cutting teeth that are sequentially arranged in the circumferential direction are positioned in a common plane.
申请公布号 US9468143(B2) 申请公布日期 2016.10.18
申请号 US201313903036 申请日期 2013.05.28
申请人 Andreas Stihl AG & Co. KG 发明人 Stark Thomas
分类号 A01D34/73;B23D61/02 主分类号 A01D34/73
代理机构 代理人 Huckett Gudrun E.
主权项 1. A cutting blade for a hand-guided trimmer with a drive motor, the cutting blade comprising: a disk-shaped base member with first cutting teeth and second cutting teeth that are disposed about a circumference of the base member and sequentially arranged in the circumferential direction such that the first cutting teeth and the second cutting teeth alternate in the circumferential direction; the base member having a first face and a second face opposite the first face; the first and second cutting teeth each comprising a base body, a tooth face edge, the tooth face edge leading in a driving direction of the cutting blade and extending approximately radially, and further comprising a tooth back edge extending in a circumferential direction of the base member; wherein the tooth face edge and the tooth back edge of the first cutting teeth each are ground only on the first face and wherein the tooth face edge and the tooth back edge of the first cutting teeth define together a common first cutting tip, respectively, wherein the first cutting tip is leading in the drive direction; wherein the tooth face edge and the tooth back edge of the second cutting teeth each are ground only on the second face and wherein the tooth face edge and the tooth back edge of the second cutting teeth define together a common second cutting tip, respectively, wherein the second cutting tip is leading in the drive direction; wherein all of the first and second cutting tips of the first and second cutting teeth of the cutting blade are positioned in a common plane.
地址 Waiblingen DE