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:
Sep. 11, 2012
Filed:
Feb. 05, 2008
Applicant:
Verica Maras, Schaumburg, IL (US);
Inventor:
Verica Maras, Schaumburg, IL (US);
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 31/107 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotary tool includes a collet which in one embodiment includes a bit holder defining a shank receiving bore, a transfer member for transferring rotational force from the bit holder to the shank of an accessory, and a centering member positioned within the bit holder and configured to automatically grip the shank when the shank is positioned within the shank receiving bore.