Patent · US Expired

Piston counterboring machine

US4573840A · kind A · utility

6Cited by
0References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 2, 1984
Grant dateMar 4, 1986
Priority date
Expiry dateApr 2, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T409/307616
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A machine for forming an annular counterbore in the outer face of the solid end of a piston has a tool supporting spindle rotated on its own central axis and simultaneously revolved about an eccentric axis, the eccentricity of the axis of revolution being adjustable to accommodate pistons of different diameters.

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