Vibrator

Details Vibrator Vibrator

2011-06-21

2011-06-21

Lazo, Thomas E (Department: 3745)

Motors: expansible chamber type

Cyclically operable

Valveless distribution

C073S665000

Reexamination Certificate

active

07963207

ABSTRACT:
A linear vibrator having an internal cylindrical bearing surface forming a chamber therein and a fluid inlet to direct a fluid into the chamber with a one piece piston slideable located therein with the piston simultaneously rotatable and axially displaceable therein with the piston including a static port to bias the piston and thereby induce piston oscillation when fluid is introduced into the vibrator.

REFERENCES:
patent: 2590155 (1952-03-01), Cannon
patent: 2911951 (1959-11-01), Swanson
patent: 3570628 (1971-03-01), Rodgers
patent: 3601009 (1971-08-01), Burgess
patent: 3680442 (1972-08-01), Kanning
patent: 3726508 (1973-04-01), Varnello et al.
patent: 4240326 (1980-12-01), Carle
patent: 4402255 (1983-09-01), Fink et al.
patent: 5209564 (1993-05-01), Manci et al.
patent: 5493944 (1996-02-01), Felkins et al.
patent: 7162944 (2007-01-01), Britz
patent: 7530301 (2009-05-01), Hansen

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