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:
Apr. 06, 1993
Filed:
Jan. 03, 1992
Applicant:
Inventors:
Siegfried Fehrle, Leinfelden-Echterdingen, DE;
Wilfried Kabatnik, Leinfelden-Echterdingen, DE;
Manfred Buck, Nuertingen, DE;
Karl Wanner, Leinfelden-Echterdingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ;
U.S. Cl.
CPC ...
4082 / ; 279 193 ; 279905 ;
Abstract
A hand held power tool has a rotatable spindle, a tool holder arranged on the spindle, a tool inserted in the tool holder, locking members fixing the tool holder with the spindle and engaging both in the tool holder and the spindle, a rotatable ring holding the locking members in its locking position and provided with depressions for receiving the locking members not locking position, and a gripping sleeve connected with the ring and operating simultaneously as an actuating member for unlocking the tool inserted in the tool holder.