In reference to the patent: US8567823

Does the patent block the use of chucks on threaded tubes?, my design uses a rotating wheel to screw the chuck on which is locked at the end

  • I changed the link from the application US20100244435 to the subsequent issued patent US8567823. – Eric Shain Dec 7 '17 at 19:17
  • Can you define the term "chuck"? – Eric Shain Dec 7 '17 at 19:18

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