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:
Oct. 08, 2002
Filed:
Nov. 14, 2000
Applicant:
Inventors:
Armin Below, Kaufering, DE;
Hans-Werner Bongus-Ambrosius, Munich, DE;
Martin Richter, Freising, DE;
Thomas Hofbrucker, Mammendorf, DE;
Kent Karlsson, Pöcking, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D 7/06 ;
U.S. Cl.
CPC ...
E02D 7/06 ;
Abstract
A drilling and/or chiseling device has a drive spindle ( ) for a drilling and/or chiseling tool with two ring gears ( ) of different sizes, a countershaft ( ) with a drive pinion ( ), a wobble drive ( ) for a striking mechanism, mounted on the countershaft ( ), and a switching sleeve ( ), mounted on the countershaft ( ) so that it can be shifted axially by a switching element ( ). The switching element displaces the switching sleeve ( ) into four different modes of operation of the drilling and/or chiseling device.
Published as:
DE19955412A1; EP1101570A2; CN1296869A; KR20010050726A; JP2001193375A; US6460627B1; EP1101570A3; CN1257786C; EP1101570B1; DE50014958D1; JP4520624B2;