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:
May. 26, 1987
Filed:
Sep. 16, 1985
Applicant:
Inventor:
Wolfgang Elliesen, Ahrensburg, DE;
Assignee:
Joh. Friedrich Behrens AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
91461 ; 91454 ; 13759614 ; 227130 ;
Abstract
A valve arrangement for a compressed-air operated nailing apparatus with valve pistons operating without intersection in such a manner that the one valve piston cooperates with the working cylinder and is guided by the other working piston which is controlled by an auxiliary control valve, wherein the first auxiliary piston is also controlled at the same time, and wherein upon opening the valve arrangement the second valve piston is moved first into the opening position and the first valve pistion thereafter.