Vibrating surface apparatus

Details Vibrating surface apparatus Vibrating surface apparatus

1978-06-05

1982-02-16

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Plane sifters

209365B, 209365C, 74 26, 74 61, 198766, B07B 142

Patent

active

043158170

ABSTRACT:
Vibrating surface apparatus comprising a base member, vibratory motion producing member, a first spring coupling the vibratory motion producing member to the base member; a first surface adapted to be vibrated; a second spring coupling said surface to the vibratory motion producing member; and a third spring coupling the surface to the base member.

REFERENCES:
patent: 2610726 (1952-09-01), Howard
patent: 2899044 (1959-08-01), Allen
patent: 3226989 (1966-01-01), Robins
patent: 3251457 (1966-05-01), Dumbaugh
patent: 3253701 (1966-05-01), Evans
patent: 3317041 (1967-05-01), Century
patent: 3650401 (1972-03-01), Riesbeck
patent: 4015705 (1977-04-01), Dumbaugh
patent: 4062768 (1977-12-01), Elliott

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