Patent · US Expired

Shaft coupling and shifting mechanism for pneumatic pump

US6868774B2 · kind B2 · utility

4Cited by

18References

20Claims

0Family size

Assignee

Nordson Corporation · US

Inventors

Mark W. McCollough · Amherst, US
Jim Bachman · Lorain, US
Anna C. Gilbert · Mannheim, DE

Key dates

Filing date	Oct 5, 2002
Grant date	Mar 22, 2005
Priority date	—
Expiry date	Nov 26, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T403/57
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Fluid pump assembly driven by a reciprocating piston, having an improved coupling between a driving shaft and a driven shaft and a fast-shifting switching mechanism for changing the direction of movement of the piston.

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