Patent · US Expired

Device for stepwise displacement of a work-piece

US4168577A · kind A · utility

3Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1977
Grant dateSep 25, 1979
Priority date
Expiry dateApr 5, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2001/066
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention refers to a device for stepwise displacement of a work-piece or a similar body, the device comprising a rod made from a reversibly expanding or compressing material coupled to an activation device whereby the rod has its ends resting in clamping brackets to be clamped alternatively at the expansion or compressing of the rod.

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