美國
US 12,696,836 B2
Four-armed lawnmower blade in same cutting plane from a single metal sheet
US 12,696,836 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：Individual。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- Individual
- 發明人
- Mr. Mark Lee Thompson
- 公開日
- 2026-08-04
- 申請日
- 2023-08-15
- 文件種類
- B2 核准公告
- 也寫作
- US 12,696,836 B2 · US12696836 · 12696836
摘要
A lawnmower blade stamped or laser cut from a single metal sheet arranged as four blade arms of equal length on a single cutting plane that can resemble a cruciform shape. This design yields a uniform strength and reliability and does not rely on nuts, bolts, and multipart construction, and with minimal effect on overall weight. Each blade extends outward from a center mounting, possesses an offset, a sharpened leading edge and oppositely a deflection portion that is curved upward to produce a consistent suction force and circulating air flow useful during high moisture conditions.…
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專利局網站： 美國專利商標局（USPTO）