Patent · US Expired

Workpiece centering apparatus and method

US4655596A · kind A · utility

5Cited by
1References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 31, 1985
Grant dateApr 7, 1987
Priority date
Expiry dateJul 31, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01B11/02
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A workpiece is centered on a transparent work surface by optically transposing one edge of the workpiece to a point beneath the work surface and adjacent the opposite edge of the workpiece and then sliding the workpiece sideways until the transposed edge image is aligned with the actual second edge of the workpiece.

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