Machine element or mechanism – Mechanical movements – Rotary to gyratory
Patent
1981-07-06
1984-06-19
Holko, Thomas J.
Machine element or mechanism
Mechanical movements
Rotary to gyratory
404117, E01C 1938, F16H 3310
Patent
active
044547803
ABSTRACT:
The mechanism, designed especially for use in an earth compacting drum, comprises a pair of concentrically-arranged, eccentrically-weighted elements, which are rotated in unison by means of a hydraulic motor. The mechanism is housed within an earth compacting drum, and the one eccentrically-weighted element is translatable, axially, and disengageable from a splined coupling, in order that it may be indexed to different rotary positions relative to the other eccentrically-weighted element. In this manner, vibratory amplitudes may be increased or decreased.
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Addleman Jeffrey L.
Goehler Robert F.
Rotz Dana R.
Gall Lloyd A.
Holko Thomas J.
Ingersoll-Rand Company
Murphy B. J.
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