Vacuum pump

Details Vacuum pump Vacuum pump

1988-04-21

1989-04-25

Stout, Donald E.

Pumps

Motor driven

Electric or magnetic motor

417369, 417413, 74 55, F04B 1700

Patent

active

048243361

ABSTRACT:
A vacuum pump comprises a slide shaft having one end provided with a discharging valve and a diaphragm, a cam plate in press-contact with the other end of the slide shaft to cause reciprocating movement of the slide shaft, a shaft of a motor for rotating the cam plate and a bearing casing for holding a bearing which supports the motor shaft in a freely rotatable manner, wherein the cam plate is provided at its one side surface with a recess for receiving the bearing and provided at its other side surface with a cam surface.

REFERENCES:
patent: 3183848 (1965-05-01), Raymond
patent: 4301716 (1981-11-01), Saegusa et al.

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