Patent · US Expired

Combination pressure regulator and manual on-off valve

US4275764A · kind A · utility

21Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 13, 1979
Grant dateJun 30, 1981
Priority date
Expiry dateJun 13, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/88046
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A combination pressure regulator and manual on-off valve for liquid spraying apparatus. A tubular member 31 has a lower end 31b which forms a valve seat which cooperates with a first valve member 32 actuated by a lever 35. The latter has a lug 35b which acts as a resilient attaching blade. The intermediate member further comprises a portion 31e, the periphery of which is in contact with the wall of a bore 23. A diaphragm 37 is clamped against portion 31e by means of a tubular screw 39. The diaphragm is solid with a second valve member 38.

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