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:
Oct. 04, 1983
Filed:
Oct. 20, 1980
Applicant:
Inventor:
Gerhard Kuhlmann, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ;
U.S. Cl.
CPC ...
4082 / ; 279 / ; 279-8 ; 279 192 ; 279 33 ; 409234 ;
Abstract
A tool-clamping device for a hand tool machine with a rotary drive spindle includes a tool-clamping set having an outer sleeve mounted on an inner sleeve which serves to clamp a tool to be used and a locking plate which is pivotal relatively to a housing of the tool machine to lock the outer sleeve when the latter is adjusted on the spindle to a predetermined position in an axial direction or to release the outer sleeve for enabling an operator to quickly change a tool to be used in the hand tool machine.