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:
Nov. 02, 1999
Filed:
Aug. 10, 1995
Applicant:
Inventor:
Michael Habele, Waldenbuch, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B / ; B25B / ;
U.S. Cl.
CPC ...
81470 ; 8117785 ;
Abstract
A screwing device provided with a transmission of measuring signals has improved securing of screwing tool. Its rotary drive shaft is connected to the screwing tool in a rotationally locking manner via a polygonal coupling. The screwing tool is fastened axially by two connecting bodies which are arranged in bores and engage in a positively locking manner into an annular groove arranged in the rotary drive shaft in the region of the polygonal coupling. The connecting bodies are retained in their connection position by a securing element.