Patent · US Expired

Swivelling coupling for fluid

US3980324A · kind A · utility

29Cited by
9References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1975
Grant dateSep 14, 1976
Priority date
Expiry dateMar 10, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/5283
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

This coupling comprises a rotary cylindrical portion which is recessed and an outlet opening whose lower edge is placed level with the lowest point of a surface which is inclined relative to the rotation axis, whereby the said surface is placed adjacent to the axis and the side opposite to the said opening. This coupling is more particularly intended to be used on the inlets and outlets of pneumatic automatic control modules.

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