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 7380889 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 03, 2008

Filed:

Jul. 07, 2004
Applicant:

Joseph K. Frear, Bedford, PA (US);

Inventor:

Joseph K. Frear, Bedford, PA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/197 (2006.01);
U.S. Cl.
CPC ...
Abstract

A retainer system for a cutting tool that has an elongated shank. In one embodiment, the retainer system includes a tool holder block that has a sleeve-receiving hole therethrough for receiving a sleeve therein. The sleeve may have a shank-receiving hole and at least one undercut portion therein. The retainer may define a shank-receiving opening and have retainer portions that correspond to each of the undercut portions in the sleeve for selective retaining engagement therewith. The first and second retainer portions retainingly engage a portion of the elongated shank of the cutting tool when inserted into the shank-receiving opening therebetween.


Find Patent Forward Citations

Frear, Joseph. (2008). Tool retainer (U.S. Patent No. 7380889). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7380889

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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