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:
Apr. 18, 2006
Filed:
Dec. 18, 2003
Thomas Sperrfechter, Grüsch, CH;
Jens Neumann, Feldkirch, AT;
Norbert Heeb, Buchs, CH;
Gerhard Ehmig, Rankweil, AT;
Tilo Dittrich, Feldkirch, AT;
Thomas Sperrfechter, Grüsch, CH;
Jens Neumann, Feldkirch, AT;
Norbert Heeb, Buchs, CH;
Gerhard Ehmig, Rankweil, AT;
Tilo Dittrich, Feldkirch, AT;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A combustion-operated working tool having a housing body (), which has a cylindrical recess () and a piston chamber () connecting therewith for receiving a piston (); an impact plate (), which is arranged opposite to and at a distance to the cylindrical recess () and which can be displaced towards and away from the housing body (), and a packing sleeve () arranged inside and elastically mounted, projecting out of the cylindrical recess ().