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:
Dec. 09, 2003
Filed:
Aug. 29, 2001
Armin Below, Kaufering, DE;
Uto Plank, Freising, DE;
Erwin Manschitz, Germering, DE;
Josef Anzinger, Munich, DE;
Harald Geiger, München, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A chuck for a percussion hand-held power tool including a coupling sleeve ( ) for receiving a working tool and having two diametrically opposite, slot-shaped, radial openings ( ′) in which two locking members ( ) radially and axially displace a locking sleeve surrounding the coupling sleeve ( ) and the locking members ( ), and a spring-biased push-sleeve ( ) formlockingly cooperating with the locking members ( ), with the locking members ( ) being supported against the inner surface ( ) of the locking sleeve ( ), extending into an interior of the coupling sleeve ( ), and having each a radial dimension greater than a thickness of the coupling sleeve wall and a width decreasing toward a chuck axis (A).