Apparatus for generating vibrations

Details Apparatus for generating vibrations Apparatus for generating vibrations

1975-09-16

1977-07-12

Scott, Samuel

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

F16H 3300

Patent

active

040346145

ABSTRACT:
An apparatus for generating vibrations comprises at least two masses mounted on a rotatable shaft and capable of moving radially against a spring force in relation to the center line of the shaft. Means for locking the masses to each other are provided, and the masses are arranged such that their respective centers of gravity are so distributed about the center line of the rotatable shaft that the resulting eccentric moment of the masses in relation to the center line is low or substantially zero when the shaft is stationary or rotating at low speed.

REFERENCES:
patent: 1324125 (1919-12-01), McKelvey
patent: 3600956 (1971-08-01), Boguth
patent: 3813950 (1974-06-01), Ebersole

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