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.:
Date of Patent:
Jan. 05, 2016
Filed:
Aug. 09, 2012
Applicant:
Joachim Clabunde, Heubach, DE;
Inventor:
Joachim Clabunde, Heubach, DE;
Assignee:
C. & E. FEIN GMBH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/00 (2006.01); E21B 17/22 (2006.01); E21B 19/16 (2006.01); E21B 19/18 (2006.01); B24B 23/04 (2006.01); B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
B24B 23/04 (2013.01); B25F 5/006 (2013.01);
Abstract
A power-driven hand tool is disclosed, comprising a tool spindle that can be driven in a rotational oscillatory manner about its longitudinal axis and that is designed to carry a tool, and further comprising a transmission housing, in which there is carried an eccentric coupling drive for driving the tool spindle and from which the tool spindle projects outwardly with one end, wherein, for the purpose of mass compensation of the oscillatory motion of the eccentric coupling drive, a compensatory mass is provided, which is disposed outside of the transmission housing.