US Patent 7302871 Oscillation generating device

Patent 7302871 was granted and assigned to BOMAG on December, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

BOMAG

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73028710

Patent Inventor Names

Niels Laugwitz0

Date of Patent

December 4, 2007

Patent Application Number

107722480

Date Filed

February 6, 2004

Patent Primary Examiner

‌

David M. Fenstermacher

Patent abstract

The invention relates to an oscillation generating device for use in a soil compacter with a tipping moment compensation device. A second unbalance shaft pair with oppositely rotating unbalance shafts is arranged adjacent to a first unbalance shaft pair as a tipping moment compensation device. Diagonally opposite unbalance shafts rotate in the same direction. In this way, centrifugal forces and torques on the two unbalance shaft pairs reciprocally cancel each other out so that no tipping moment occurs parallel to the axes of rotation of the unbalances.

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