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:
May. 03, 2005
Filed:
Jul. 21, 2003
Peter Ostermeier, Diessen, DE;
Peter Ostermeier, Diessen, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A chuck for an annular core bit () having an inner thread () includes a motor-driven rotatable spindle () having a threaded support () cooperating with the inner thread () for supporting the annular core bit (), a stop member () associated with the axial stop flange () provided on the work spindle (), locking wedge elements () for axially connecting the stop member () with the axial stop flange () under compressive strain, and a manually actuatable, displaceable release member () for displacing the locking wedge elements () between a position in which the locking wedge means () axially connects the stop member () and the axial stop flange () under compressive strain, and a position in which the stop member () is axially displaceable relative to the axial stop flange ().