Patent · US Expired

Feed screw device

US6880676B2 · kind B2 · utility

9Cited by
36References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2001
Grant dateApr 19, 2005
Priority date
Expiry dateMar 16, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19991
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A ring-like lubricant supply device 6 is fitted into a recess 4 of a nut member 2. The lubricant supply device 6 contains a lubricant and is formed in an outer peripheral surface with notches 7. Tubular members 8 each having an outer diameter larger than the diameter of the notch 7 are inserted into the notches, pushing and widening the notches 7 in a circumferential direction. One end of the tubular member 8 is fitted into a recess 9b of a retaining ring 9 and the retaining ring 9 is fixed to a nut member 2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.