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:
May. 18, 1976
Filed:
Apr. 14, 1975
Michel Andre Pivont, Tienen, BE;
Paul Alphonse Vicca, Tienen, BE;
Raffinerie Tirlemontoise, Brussels, BE;
Abstract
A sharpening machine for root-cutter knives is disclosed. The machine generally comprises a jaw device for supporting a knife to be sharpened, the knife having a serrated edge which is to be sharpened. A magazine for the holding the knives to be sharpened is utilized along with a device for feeding the knives singly from the magazine to the jaw device. Both rough sharpening and fine sharpening devices are utilized, each of the devices having a milling device utilizing a rotating milling cutter. The jaw device is rotatably mounted on a shaft in parallel relationship with the rotating shaft of the milling cutter, and apparatus is provided to periodically swing the jaw device about the shaft between a position where the knife engages the milling cutter and a rest position where no engagement takes place. Additionally, the device utilizes a mechanism for stepwise movement of the milling cutter relative to the jaw device, as well as a cam shaft for controlling the swinging of the jaw device.