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:
Apr. 12, 1977
Filed:
Apr. 19, 1976
William E Barnes, Mount Clemens, MI (US);
Empire Tool Company, Memphis, MI (US);
Abstract
Improvement in indexable insert type cutting toolholder having a steel shank and a pocket in the shank for carrying an indexable insert therein, the insert having a central aperture therein by which it is held in place in the toolholder, the improvement comprising a cartridge fitted in the pocket in the shank, an arrangement for fastening the cartridge securely in place in the shank pocket, the cartridge formed of a high speed steel harder than that of the shank but less that that of the insert, the cartridge retaining its hardness even when heated to cherry red heat, the cartridge having a pocket therein for holding the insert, and an arrangement for fastening the insert securely in place in the cartridge pocket.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile