Title:
PRECISION SHARPENER FOR CERAMIC KNIFE BLADES
Document Type and Number:
WIPO Patent Application WO/2013/096537
Kind Code:
A3
Abstract:
An electrically powered knife sharpener for ceramic (or other brittle, crystalline or amorphous media which could be used for blades) knives includes at least one pre-sharpening stage with a sharpening member(s) and includes a final stage with a sharpening member(s). There are one or more motor driven shafts on which the abrasive surfaced sharpening members, such as disks, are mounted. Guide structure is provided to guide the knife for aligning and positioning the knife facet precisely at a defined location on the abrasive surface of each rotating sharpening member. The pre-sharpening stage sharpening member(s) moves in a first direction. The final stage sharpening member(s) moves in a second direction which differs from the first direction.
Inventors:
JENSEN GEORGE C (US)
WEINER SAMUEL (US)
FRIEL DANIEL D (US)
WEINER SAMUEL (US)
FRIEL DANIEL D (US)
Application Number:
PCT/US2012/070779
Publication Date:
September 25, 2014
Filing Date:
December 20, 2012
Export Citation:
Assignee:
EDGECRAFT CORP (US)
JENSEN GEORGE C (US)
WEINER SAMUEL (US)
FRIEL DANIEL D (US)
JENSEN GEORGE C (US)
WEINER SAMUEL (US)
FRIEL DANIEL D (US)
International Classes:
B24B3/54; B24D15/08
Foreign References:
| US6071181A | 2000-06-06 | |||
| US20090233530A1 | 2009-09-17 | |||
| US6012971A | 2000-01-11 | |||
| US20110034111A1 | 2011-02-10 | |||
| US7121923B1 | 2006-10-17 | |||
| US5390445A | 1995-02-21 |
Other References:
See also references of EP 2794184A4
Attorney, Agent or Firm:
PEZZNER, Harold (1007 North Orange StreetP. O. Box 220, Wilmington DE, US)
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