Abstract: A sharpening tool having a handle having a variable speed switch and a support grip, a removable universal tool adapter rotatably coupled to the handle, a locking feature for locking a position of the removable universal tool adapter, and a motor for driving a tool coupled to the removable universal tool adapter.
Abstract: A knife sharpener comprises a grinding surface for grinding a blade of the knife when the blade is moved relative to the grinding surface and an observation device including a sensor element and a display element. The sensor element is configured to observe the blade and to collect data regarding the blade when the blade is moved relative to the sensor element. The display element is configured to communicate a condition of the blade to an operator of the observation device. The condition of the blade is based on the data collected by the sensor element when the blade is moved relative to the sensor element.
Type:
Grant
Filed:
May 28, 2019
Date of Patent:
October 25, 2022
Assignee:
EDGECRAFT CORPORATION
Inventors:
William Hessler, George Jensen, Lee Clark, Rick Stapleford, Zach Siskind, Bela Elek
Abstract: A knife sharpener includes guide structure for accommodating thick blades of a knife. The guide structure includes a fixed guide surface having a convex portion to match a concave shape of the blade and a spring guide surface preferably has a convex portion to press against a hollow ground portion of the blade.
Type:
Grant
Filed:
January 11, 2016
Date of Patent:
May 23, 2017
Assignee:
EDGECRAFT CORPORATION
Inventors:
Samuel Weiner, Bela Elek, Daniel D. Friel, Jr.
Abstract: A manual sharpener includes at least one pre-sharpening stage having interdigitating comb-like abrasive sharpening structure. The sharpener also includes a finishing stage having a pair of abrasive surfaced truncated conical disks as its sharpening structure. The disks are mounted on a rotatable shaft with the small ends of the disks in contact with each other.
Type:
Grant
Filed:
January 7, 2016
Date of Patent:
May 16, 2017
Assignee:
EDGECRAFT CORPORATION
Inventors:
Samuel Weiner, Bela Elek, Daniel D. Friel, Jr.
Abstract: An electric sharpener for sharpening ceramic blades includes at least one stage. The stage is a finishing station having a sharpening member in the form of a disc which comprises a rigid support having a flexible abrasive matrix which both sharpens and polishes the facet of the ceramic blade. The sharpener may include a pre-sharpening stage for metal blades and a further pre-sharpening stage for ceramic blades. The sharpener also includes a removable guide.
Type:
Grant
Filed:
March 12, 2015
Date of Patent:
January 26, 2016
Assignee:
Edgecraft Corporation
Inventors:
Bela Elek, George C. Jensen, Daniel D. Friel, Jr., Samuel Weiner
Abstract: A knife sharpener sharpens a wide range of knives and blades. The knife sharpener includes an angle guide associated with a first stage abrasive surface at an angle in the range of 12-18 degrees. A second stage is provided at an angle in the range of 17-23 degrees. A third stage is provided at an angle in the range of 19-25 degrees. The abrasive surface in the first and second stages is in the range of 240 to 400 grit while the abrasives in the third stage is in the range of 600 to 2000 grit.
Abstract: A combination sharpener assembly which is particularly useful for fishermen, includes an electrically powered knife sharpener. A manually operated scissors sharpener is mounted in the recess of the housing for the knife sharpener. A hook sharpener is detachably mounted in a compartment in the housing of the knife sharpener. The motor for the knife sharpener is mounted in a sealed inner housing and can be selectively operated under either direct current or alternating current.
Type:
Grant
Filed:
December 3, 2013
Date of Patent:
May 13, 2014
Assignee:
Edgecraft Corporation
Inventors:
Thomas M. Huber, Daniel D. Friel, Jr., Samuel Weiner, Cassandra Wilson Gluyas, Thomas Walter Gluyas
Abstract: A combination sharpener assembly which is particularly useful for fishermen, includes an electrically powered knife sharpener. A manually operated scissors sharpener is mounted in the recess of the housing for the knife sharpener. A hook sharpener is detachably mounted in a compartment in the housing of the knife sharpener. The motor for the knife sharpener is mounted in a sealed inner housing and can be selectively operated under either direct current or alternating current.
Type:
Grant
Filed:
June 26, 2013
Date of Patent:
March 25, 2014
Assignee:
Edgecraft Corporation
Inventors:
Thomas M. Huber, Daniel D. Friel, Jr., Samuel Weiner, Cassandra Wilson Gluyas, Thomas Walter Gluyas