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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.:

US 9868197 B1

PDFFull Text
Date of Patent:
Jan. 16, 2018

Filed:

Mar. 12, 2013

Valve

Applicant:

Colin Dirr, Hattingen, DE;

Inventor:

Colin Dirr, Hattingen, DE;

Assignee:

CONSTRUCTION TOOLS GMBH, Essen, DE;

Attorney:

Andrew Wilford

Primary Examiner:

Thanh Truong

Assistant Examiner:

Patrick Fry

Int. Cl.
CPC ...
B25D 9/12 (2006.01); B25D 9/22 (2006.01); B25D 9/26 (2006.01); E02F 3/96 (2006.01); E02F 9/22 (2006.01); E21B 4/14 (2006.01); F16B 13/04 (2006.01); F16K 11/085 (2006.01); F15B 13/04 (2006.01);
U.S. Cl.
CPC ...
B25D 9/22 (2013.01); B25D 9/12 (2013.01); B25D 9/265 (2013.01); E02F 3/966 (2013.01); E02F 9/2267 (2013.01); E21B 4/14 (2013.01); F15B 13/0406 (2013.01); F16K 11/0856 (2013.01); Y10T 137/87169 (2015.04);
Abstract

The present invention relates to a valve for a hydraulically operated percussion mechanism having a main valve () which is in the form of a rotary slide valve having a rotary slide. In order to reduce the installation space and the production costs of such valves, it is proposed according to the invention that the rotary slide is configured as a receiving housing which receives a valve element in the form of a secondary valve (). Furthermore, the invention relates to the use of a valve which is arranged on a percussion mechanism of a hydraulic hammer.

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Dirr, Colin. (2018). Valve (U.S. Patent No. 9868197). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9868197

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