The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9175447 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 03, 2015

Filed:

Dec. 04, 2014
Applicant:

Wacker Neuson Produktion Gmbh & Co. KG, Munich, DE;

Inventor:

Michael Steffen, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 19/30 (2006.01); E01C 19/35 (2006.01); E01C 19/38 (2006.01); E02D 3/046 (2006.01);
U.S. Cl.
CPC ...
E01C 19/35 (2013.01); E01C 19/38 (2013.01); E02D 3/046 (2013.01);
Abstract

A soil compacting device has an upper mass and a lower mass that is coupled to the upper mass by a spring device and that has a soil contact element. In addition, a drive is provided for producing a working movement of the soil contact element. The drive has an electric motor, a drive frequency of a drive movement produced by the electric motor being equal to a frequency of the working movement of the soil contact element.


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