Patent · US Expired

Boring bar

US4948305A · kind A · utility

3Cited by
7References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 23, 1988
Grant dateAug 14, 1990
Priority date
Expiry dateDec 23, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T408/906
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Boring bar having plural circumferentially spaced cutting inserts with incremental radial and axial spacing for innermost radial and foremost axial to outermost radial and rearmost axial in progressive sequence relative to the direction of rotation.

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