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:
Aug. 21, 2007
Filed:
Nov. 22, 2004
Werner Kleine, Achim, DE;
Werner Britten, Landsberg, DE;
Werner Kleine, Achim, DE;
Werner Britten, Landsberg, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A chuck for receiving a working tool () rotable about a longitudinal axis (A) includes a receiving sleeve () having a guide surface () extending along the longitudinal axis (A) and at least three, axially extending, up to a free end surface () of the chuck (), entraining grooves () located in front of the guide surface (), arranged radially outside of the radial dimension (R) at angles of 0°, 120°, and 240°, and each having a central angle (α) defined with respect to the radial dimension (R) and amounting to at least 40°; and at least one locking member () radially displaceable over the radial dimension (R) and arranged between two circumferentially adjacent entraining grooves () and diametrically opposite a third entraining groove ().