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. 28, 1982
Filed:
Jun. 03, 1980
Applicant:
Inventors:
Hellmuth Fehrs, Hamburg, DE;
Wolfgang Elliesen, Ahrensburg, DE;
Assignee:
Joh.Friedrich Behrens AG, Ahrensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27F / ; B27F / ;
U.S. Cl.
CPC ...
227-7 ; 227-8 ; 227132 ;
Abstract
The invention relates to a compressed air-operated fastener driving tool comprising a pilot valve controlled by a manually actuated release lever, a control valve, the pressure bias of which is controlled by the pilot valve and which for its part controls the supply of compressed air to a working cylinder, and a release barrier adapted to be actuated by the workpiece by means of which the actuation of the pilot valve is adapted to be controlled in common with the release lever when placed in its working position.