Patent · US Expired

Valve actuator mechanism

US3955431A · kind A · utility

1Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1974
Grant dateMay 11, 1976
Priority date—
Expiry dateSep 23, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05G7/08
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A valve actuator comprising a toggle mechanism and push rod operable to effect opening and closing of the valve by repeatedly pushing the push rod.

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