Ball screw

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United States of America Patent

SERIAL NO

12802108

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Ball screw, having a spindle nut (1), on the inner circumference of which a helically wound ball groove (2) is formed, a return tube (4) being provided for balls (3), in which the balls are returned from an end to a beginning of the ball groove (2), lubricant channels (6, 9) provided with lubricant being formed on the inner circumference of the return tube (4), the injection moulded plastic return tube (4, 8) being longitudinally divided along a parting plane (E) into two half-tubes, the lubricant channels (6, 9) being arranged on both sides of the parting plane (E).

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Patent Owner(s)

Patent OwnerAddress
SCHAEFFLER TECHNOLOGIES AG & CO KGINDUSTRIESTRASSE 1-3 HERZOGENAURACH 91074

International Classification(s)

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  • 2010 Application Filing Year
  • F16H Class
  • 1447 Applications Filed
  • 961 Patents Issued To-Date
  • 66.42 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20102011201220132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mayer, Ralf Herzogenaurach, DE 38 408
Muenck, Horst Herzogenaurach, DE 3 4
Osterlaenger, Juergen Emskirchen, DE 8 58

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Patent Citation Ranking

  • 2 Citation Count
  • F16H Class
  • 4.11 % this patent is cited more than
  • 15 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2644410731123231401 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7091 - 100100 +0255075100125150175200225250275300325350375400425450475

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