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. 11, 2012
Filed:
Feb. 04, 2010
Kevin Wasielewski, Schaumburg, IL (US);
Josh Barhitte, Chicago, IL (US);
Timothy Baker, Aurora, IL (US);
Kevin Wasielewski, Schaumburg, IL (US);
Josh Barhitte, Chicago, IL (US);
Timothy Baker, Aurora, IL (US);
Robert Bosch GmbH, Stuttgart, DE;
Abstract
Embodiments of the present invention are directed to an attachment interface for a handheld power tool having an elongated housing and a rotary output shaft, the interface comprising a nose portion having a generally cylindrically shaped wall extending in the direction of the center axis to a flat annular surface, a plurality of screw threads formed in an outer surface of the wall configured to have an attachment device with a screw threaded collar mounted on the interface, and a first plurality of keys formed in an inner surface of the wall configured to receive have an attachment device with a second plurality of complementary keys, the engaged keys preventing rotation of the attachment device when the attachment device is mounted on the interface.