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US 11,826,869 B2Granted
Knife and tool sharpener
AssigneeEdgecraft Corporation
InventorsBela Elek, Bill Hessler, George Jensen
Life of this patent
Estimating the term…
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.
Claims19
A sharpening tool comprising:
- a housing;
- a first handle disposed on the housing;
- an electric motor disposed within the housing, the electric motor configured to rotate a driveshaft about a driveshaft axis of rotation extending in an axial direction of the driveshaft;
- an electric power input;
- a switch disposed on the housing, the switch selectable to operate the electric motor using the electric power input;
- an accessory attachment structure coupled to the electric motor and the driveshaft, wherein the electric motor, the driveshaft, and the accessory attachment structure are configured to rotate in unison relative to the housing about an accessory axis of rotation, wherein the accessory axis of rotation is arranged perpendicular to the driveshaft axis of rotation;
- and
- a sharpening accessory configured to be removably coupled to the accessory attachment structure, the sharpening accessory coupled to the driveshaft to translate rotation of the driveshaft about the driveshaft axis of rotation to rotation of a first disk having a first sharpening surface thereon when the sharpening accessory is coupled to the accessory attachment structure.
5 more elements
Dependencies are inferred from the claim text.