Vibrating test screening apparatus

Details Vibrating test screening apparatus Vibrating test screening apparatus

1981-10-05

1984-01-31

Birmiel, Howard A.

Measuring and testing

Vibration

Vibrator

73665, 181119, 13762565, B06B 300

Patent

active

044282389

ABSTRACT:
Apparatus for subjecting a test specimen to vibrational forces has a base, a first preselected massmounted for reciprocal movement relative to the base and a second preselected mass elastically coupled to the first mass to produce a resonant condition at a preselected frequency of reciprocal movement.

REFERENCES:
patent: 2706400 (1955-04-01), Unholtz
patent: 2886965 (1959-05-01), Kugler
patent: 2890584 (1959-06-01), Dickie
patent: 3099280 (1963-07-01), Holzbock
patent: 3840090 (1974-10-01), Silverman
patent: 4040445 (1977-08-01), McCormick
patent: 4147228 (1979-04-01), Bouyoucos
patent: 4181028 (1980-01-01), Talbott, Jr.
patent: 4265331 (1981-05-01), Leonard

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