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.

Date of Patent:
Jul. 14, 2015

Filed:

Mar. 28, 2012
Applicants:

Cornelis Roelof Jonker, Springs, ZA;

Bernd Heinrich Ries, Huenfeld, DE;

Frank Friedrich Lachmann, Burghaun, DE;

Inventors:

Cornelis Roelof Jonker, Springs, ZA;

Bernd Heinrich Ries, Huenfeld, DE;

Frank Friedrich Lachmann, Burghaun, DE;

Assignees:

Element Six GmbH, Burghaun, DE;

Element Six Abrasives S.A., Luxembourg, LU;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C 23/088 (2006.01); E21C 35/18 (2006.01); E02F 3/20 (2006.01); E02F 9/28 (2006.01); E01C 23/12 (2006.01); E21C 35/183 (2006.01);
U.S. Cl.
CPC ...
E01C 23/088 (2013.01); E01C 23/127 (2013.01); E02F 3/20 (2013.01); E02F 9/2866 (2013.01); E21C 35/18 (2013.01); E21C 35/183 (2013.01);
Abstract

A pick assembly () comprising a pick tool (), a pick holder () and a rotatable drive means (); in which the pick holder is attached to the rotatable drive means and the pick tool comprises a base () and a strike element () capable of being attached to the base, the strike element comprising a strike tip () defining a strike tip axis () and the base capable of being attached to the pick holder; the pick holder and pick tool being configured in relation to the drive means operative to the strike tip axis being oriented to within a strike angle of at most 5 degrees with a strike plane on which the strike tip will travel when driven by the drive means.


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