Portable suction system

Details Portable suction system Portable suction system

2005-11-08

2005-11-08

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

C141S061000, C137S637100

Reexamination Certificate

active

06962176

ABSTRACT:
A portable suction system comprises a vacuum valve subassembly. The subassembly has a body, upper and lower ball valves, and an actuating linkage. The body has a mounting portion for a tank and a valve housing portion. The mounting portion has a threaded diameter. The tank mounting portion has venturi and feed passageways. The valve housing portions have a cylindrical configurations. The body has a venturi blow-through line passageway intersecting. The ball valves are located within the passageways of the valve body. The ball valves are coupled to the actuating linkage with a trigger which rotates the ball valves into one of the positions from the category. The category includes the venturi ball valve open and feed ball valve open, and neither ball valve open. The linkage is coupled to and held in position on the outside surface of the valve body.

REFERENCES:
patent: 4092993 (1978-06-01), Stevenson
patent: 4911211 (1990-03-01), Andersen
patent: 5772402 (1998-06-01), Goodman
patent: 6145622 (2000-11-01), Clark, II

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