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:
Mar. 30, 2004
Filed:
Mar. 07, 2002
Josef Fünfer, Königsbrunn, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A switch assembly ( ) for centrally arranged operating mode selection for an at least partially rotary and percussion combination hand tool device ( ) is comprised of a first switch sleeve ( ) for the switchable percussion drive ( ) and a second switch sleeve ( ) for the switchable rotary drive meshing with a tool spindle ( ) via a countershaft ( ) and a switch accessory ( ) connecting both switch sleeves ( ) together, whereby the countershaft ( ) and a percussion drive shaft ( ) of the percussion drive ( ) are arranged directly adjacent and parallel in a common axially extending zone (B) and rotationally-freely guide a driving gear pair ( ) in direct meshing engagement with each other and which can be engaged by way of the switch sleeves ( ).