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:
Oct. 19, 2010

Filed:

Nov. 21, 2007
Applicants:

Egbert Frenken, Heinsberg, DE;

Frank Wilsdorf, Wermelskirchen, DE;

Inventors:

Egbert Frenken, Heinsberg, DE;

Frank Wilsdorf, Wermelskirchen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 1/00 (2006.01); B21D 37/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A locking bolt for mounting a tool in a hydraulic press, it being possible for the locking bolt to move in a bolt receptacle between a locking position and a release position, with a securing element, which is located in the bolt receptacle and secures the locking position by positive engagement in the locking bolt, the locking bolt also having a securing portion, and the locking bolt being secured against movement into the release position when the securing element is located in the securing portion. The locking bolt has a longitudinal groove, in that the securing portion is formed with a securing depth in any event corresponding to a groove depth of the longitudinal groove and in that the securing portion is formed such that it is adjacent to the longitudinal groove in the circumferential direction, with a direct transition from a groove base into the securing position.


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