Patent · US Expired

Highly accurate rotational coupling device and translation control device comprising same, in particular for optical instruments

US5214970A · kind A · utility

4Cited by
10References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 29, 1991
Grant dateJun 1, 1993
Priority date
Expiry dateMay 29, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/18576
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotational coupling device having two flanges with normally coincident axes and centers on the axes, a constant length flexible wire joining the centers, a spring compressed between the flanges and coaxial with the wire and a bellows that is rigid in torsion fixed to the flanges.

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