Vibrator

Details Vibrator Vibrator

1978-04-10

1979-09-25

McCarthy, Edward J.

Agitating

By vibration

Vibrator actuated by fluid under pressure

366600, B01F 1100

Patent

active

041689178

ABSTRACT:
A vibrator, actuated by a pressure fluid to impart oscillations to a working platform carrying the material being handled, comprises a stationary base on which an elastic member is mounted on the side facing said working platform so as to adjoin the working platform, said elastic member being made as a closed-contour collar having a lateral surface. Provision is also made for a working chamber defined by said base and said elastic member and communicating with a source of pressure fluid. It is the pressure fluid which makes the elastic member oscillate and imparts vibrating motion to said working platform. The collar has at least one outlet opening with an elastic sealing lip, said lip being located near said lateral surface of the collar and arranged in such a manner that, when said collar starts deflecting from the initial stationary position, said lip of said opening is tightly pressed against said base or said working platform, and, at the end of the collar deflection, the lip defines on at least one portion thereof a passageway for said working chamber to communicate with the atmosphere.

REFERENCES:
patent: 3348278 (1967-10-01), Jankovsky

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