Screw and nut device employing recirculating balls

  • Inventors:
  • Assignees: Ts B K Obrabiarek
  • Publication Date: August 09, 1972
  • Publication Number: GB-1284990-A

Abstract

1284990 Screw - and - nut gearing CENTRALNE BIURO KONSTRUKCYJNE OBRABIAREK 18 Dec 1970 [19 Dec 1969] 60261/70 Heading F2Q In a circulating ball screw-and-nut arrangement consisting of a pair of nuts 7, 8 on a shaft 13, the outer ends of the nuts are flanged with shoulders 9 bearing against the ends of the nut housing 1 and with rings of external axial teeth 10 engaging similar internal teeth on rings 3 secured to the ends of the housing. The number of teeth on the respective pairs of interengaging members differ slightly, thus permitting fine angular adjustment of the nuts to take up backlash. The rings are preferably made of plastics material.

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