Endmill for machine tools for metalworking

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Description

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Top

1.5 : Bottom

1.6 : Left

1.7 : Right

The design of the endmill features a bold and dynamic form with helical flutes that spiral smoothly along the body; the perspective view showcases a blend of sharp, angular facets at the cutting end with softer, curved transitions along the helical surfaces; the left view reveals a threaded cylindrical base that contrasts with the organic, twisting upper portion; the design, as viewed from the front, features a circular outline with a complex arrangement of geometric shapes and intersecting lines within the round boundary.

Claims

The ornamental design for an endmill for machine tools for metalworking as shown and described.

Referenced Cited
U.S. Patent Documents
D627806 November 23, 2010 Khina
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11376676 July 5, 2022 Guy
11426803 August 30, 2022 Hecht
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Foreign Patent Documents
002754499-0002 September 2015 EM
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90027544990002 September 2015 GB
Other references
  • Amazon.com_ Sandvik Coromant Solid Carbide Indexable Milling Tool, posted Oct. 20, 2010, [retrieved Feb. 9, 2026]. Retrieved from internet: https://www.amazon.com/Sandvik-Coromant-Carbide-Indexable-Entering/dp/B0047ZGMT2/ (Year: 2010).
  • IMX Series Exchangeable Head Milling System from Mitsubishi Materials—YouTube, Sep. 7, 2016, [retrieved Feb. 9, 2026]. Retrieved from internet: https://www.youtube.com/watch?v=NMvF_J8T_Fo (Year: 2016).
  • Amazon.com_ ISCAR Carbide Roughing Milling Tip Insert, posted Jul. 6, 2018, [retrieved Feb. 9, 2026]. Retrieved from internet: https://www.amazon.com/ISCAR-Carbide-Roughing-Milling-ERS-312B20-4T05/dp/B07FB2YSV5/ (Year: 2018).
  • Super Endmill for HRSA [Eng, inch]—YouTube, posted Aug. 25, 2020, [retrieved Feb. 9, 2026]. Retrieved from internet: https://www.youtube.com/watch?v=N9DO6XUEtTo (Year: 2020).
Patent History
Patent number: D1128753
Type: Grant
Filed: Feb 28, 2025
Date of Patent: Jun 2, 2026
Inventors: Hyo Joon Lim (Cheongju-si), Hong Seung Son (Cheongju-si), Min Je Lee (Cheongju-si), Young Heum Kim (Cheongju-si)
Primary Examiner: Amber R Stiles
Assistant Examiner: Karen M. Jones
Application Number: 35/524,521
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)