Machine element or mechanism – Mechanical movements – Rotary to gyratory
Patent
1983-05-12
1985-11-05
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to gyratory
74 61, 366116, 366128, B06B 116
Patent
active
045506221
ABSTRACT:
In the embodiment shown, the assembly comprises a pair of apertured weights mounted on a rotatable shaft, each of the weights having abutment surfaces one or another pairs of which close upon each other, depending upon the direction of shaft rotation. One of the weights is keyed to the shaft to rotate therewith; the other weight is freely rotatable relative to the shaft. Upon rotation of the shaft in a first direction, a first pair of the abutment surfaces engage, and the eccentricities of the weights then are so disposed as to produce a given-amplitude vibratory force. Upon rotation of the shaft in a contrary direction, a second pair of the abutment surfaces engage, and the eccentricities of the weights then are so disposed as to produce a vibratory force of a differing amplitude.
REFERENCES:
patent: 1879923 (1932-09-01), Deister
patent: 1943076 (1934-01-01), Jackson
patent: 3097537 (1963-07-01), Peterson
patent: 3722381 (1973-03-01), Tuneblom
Goehler Robert F.
La Bonte David E.
Richter Kurt W.
Herrmann Allan D.
Ingersoll-Rand Company
Murphy B. J.
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