Patent · US Expired

Method and apparatus for controlling orientation of tools

US4305128A · kind A · utility

7Cited by
7References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1979
Grant dateDec 8, 1981
Priority date
Expiry dateMar 21, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/169
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

When cutting a groove of a predetermined contour through a plate shaped workpiece with a fret saw blade, various program data regarding the direction of movements of the fret saw blade and the contour of the groove to be cut are stored in a memory device. The fret saw blade is moved in a direction instructed by the memory device and the orientation of the saw blade is controlled at the starting point of each segment of the groove.

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