Machine element or mechanism – Mechanical movements – Rotary to gyratory
Reexamination Certificate
2006-10-10
2006-10-10
Ridley, Richard (Department: 3682)
Machine element or mechanism
Mechanical movements
Rotary to gyratory
C074S02200R, C074S061000, C074S591000, C173S049000, C404S133050
Reexamination Certificate
active
07117758
ABSTRACT:
The invention relates to vibration generator for a soil compacting device referred to as a towed vibrating device. The vibration generator has two parallels arranged unbalanced shafts that each support a fixed and a freely rotating unbalanced mass. An unbalance adjusting device enables the position of both freely rotating unbalanced masses to be adjusted in such a manner that, during a maximum unbalance action of one of the unbalanced shafts, the unbalance action on the other unbalanced shaft is minimized. The unbalance adjusting device can alter the position of the unbalanced masses whereby rendering possible a to-and-fro movement of the soil compacting device or a compaction when stationary.
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Boyle Fredrickson Newholm Stein & Gratz S.C.
Hansen Colby
Ridley Richard
Wacker Construction Equipment A.G..
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