美國
US 12,702,092 B2
Stalk roll
US 12,702,092 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-11。申請人：CALMER HOLDING COMPANY, LLC。PDF 可在本頁下載，未登入每天最多 5 篇。
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- 申請人
- CALMER HOLDING COMPANY, LLC
- 發明人
- Marion Calmer
- 公開日
- 2026-08-11
- 申請日
- 2025-03-19
- 文件種類
- B2 核准公告
- 也寫作
- US 12,702,092 B2 · US12702092 · 12702092
摘要
A hybrid flute for a stalk roll may be configured with a sharp edge positioned between a first blunt edge and a second blunt edge along a length of the flute edge. The flute edge may extend radially outward from a main cylinder of the stalk roll. The flute edge may be engaged with a radius at the base of the flute edge, and a flute base may extend from the radius. A plurality of flute bases positioned adjacent to one another may be configured to form a main cylinder for the stalk roll.
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專利局網站： 美國專利商標局（USPTO）