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. 14, 2011
Filed:
Dec. 11, 2008
Joachim Guenther, Kaufering, DE;
Klaus Nagelschmied, Germering, DE;
Friedemann Moeller, Munich, DE;
Roland Meuer, Ettringen, DE;
Thomas Blatz, Kaufering, DE;
Joachim Guenther, Kaufering, DE;
Klaus Nagelschmied, Germering, DE;
Friedemann Moeller, Munich, DE;
Roland Meuer, Ettringen, DE;
Thomas Blatz, Kaufering, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A hand-held power tool includes a drive spindle () rotatable about a rotational axis (A), a clamping flange () provided at a free end of the drive spindle () and having at least one inner thread () that in a mounted condition of the clamping flange () on the drive spindle (), engages in a thread undercut () of the clamping flange (), a locking pin likewise provided at the free end of the drive spindle () and having a locking thread (), and a locking nut () tightenable on the locking thread () for securing a disc-shaped tool () between the clamping flange () and the clamping surface () of the locking nut (), with the clamping flange () having in its axial region between the disc-shaped tool () and an inner recess () of the locking nut () in which the centering collar () of the clamping flange () can be partially received at least one radial, outwardly projecting nose (), and with the disc-shaped tool () having at least one, opening radially inwardly and axially extending groove () associated with the at least one nose () of the clamping flange.