Crankshaft and piston rod connection for a double diaphragm pump
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United States of America Patent
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Jul 22, 1997
Grant Date -
N/A
app pub date -
Nov 29, 1995
filing date -
Dec 8, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a double diaphragm pump having flexible diaphragms disposed in displacement spaces and connected and mechanically coupled to piston rods, the displacement spaces being communicated via check valves to a suction manifold on the one hand and to a pressure manifold on the other hand, wherein each diaphragm is connected to a piston rod, which piston rods extend coaxially and are mounted on opposite sides to a guide frame having at least one lineal guide for a guide block which rotatably mounts a crank pin of a crankshaft.
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