Patent · US Expired

Micro-adjusting cartridge for cutting tool

US4428704A · kind A · utility

37Cited by
11References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 16, 1982
Grant dateJan 31, 1984
Priority date
Expiry dateMar 16, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T408/85995
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A tool cartridge to be fastened to a boring bar for line boring operations comprising a pair of split legs on the tool cartridge. Each leg has an insert with a threaded bore having a different pitch. A differential screw comprising two threads on the shaft corresponding to the two different threaded bores on each insert effects a micro-adjustment of the radially moveable leg on the cartridge holding the cutting tool when the differential screw is rotated.

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