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:
Jun. 17, 2003
Filed:
Dec. 07, 2001
Applicant:
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 1/708 ;
U.S. Cl.
CPC ...
B25D 1/708 ;
Abstract
A percussion rotary hand-held power tool including a percussion piston ( ), an anvil ( ), a chuck ( ) for receiving a working tool, an axially displaceable and rotatable guide tube ( ) located in the housing ( ) and extending in a telescopic-like manner over the chuck ( ) and the anvil ( ) from a chuck region up to a region of the percussion piston ( ), and a sealing element ( ) located between the guide tube ( ) and the housing ( ) and having at least one axial seal ( ) for performing only axial movement and at least one rotary shaft seal ( ) for performing only rotary movement.