Patent Sample 2 – Electro Mechanical Engineering

United States Patent      (10) Patent N0.: US 8,915,766 B1

Kolchin           (45) Date of Patent: Dec. 23, 2014


(54) AUTOMATIC KNIFE SHARPENER AND A METHOD FOR ITS USE
(71) Applicant: Dmitriy Kolchin, Orange, CA (US)
(72) Inventors: Dmitriy Kolchin, Orange, CA (US)
( * ) Notice: Subject to any d1scla1mer, the term of this patent is extended or adjusted under 35. U.S.C. 154(1)) by 0 days.
(21) Appl.No.: 14/284,903
(22) Filed: May 22, 2014
(65) Prior Publication Data
US 2014/0117866 A1 May 1,2014

(51) Int. C1.
B24B 49/10 (2006.01)
B24B 49/12 (2006.01)
B24B 3/54 (2006.01)

(52) U.S. C1.
CPC . B24B 3/54 (2013.01); B24B 49/10 (2013.01); B24B 49/12 (2013.01)
USPC ……………………………………………………… 451/5; 451/45
(58) Field of Classification Search
USPC ……… 451/5, 6, 8, 9, 10, 45, 260, 261, 263, 57
See application file for complete search history.

(56) References Cited

US. PATENT DOCUMENTS
4,176,396 A * 11/1979 Howatt ……………………… 702/34
4,843,767 A 7/1989 Johnson
5,793,493 A 8/1998 Lane
6,969,299 B1 11/2005 Papetti
2005/0072135 A1 4/2005 Kormann
2011/0281503 A1 * 11/2011 Knecht et. al. ……………… 451/5

FOREIGN PATENT DOCUMENTS

WO 2007148878 A1 12/2007
WO 2009129157 A1 10/2009
WO 2012159149 A1 11/2012

* cited by examiner
Primary Examiner – Robert Rose
(74) Attorney, Agent or Firm – Law Office Of Ilya Libenzon

ABSTRACT

A knife sharpener includes a knife holder in which a knife is inserted so that an edge of the knife is exposed, at least one edge sensor, configured to detect the edge of the knife, at least one abrader, the at least one abrader having a sharpening surface angled to meet an edge of the knife at a sharpening angle of one side of the knife, a motive mechanism connected to the holder and the at least one abrader, and a computing device in communication with the edge sensor and the motive mechanism, and configured to cause the at least one abrader to traverse the edge of the knife using the motive mechanism, in response to the at least one edge sensor. A method for knife sharpening involves directing the abrader to traverse the edge of the knife, responsive to input from an edge sensor.