KNIFE SHARPENING DEVICE Russian patent published in 2024 - IPC B24B3/54 

FIELD: cutting tool sharpening.

SUBSTANCE: invention relates to devices for sharpening cutting edges of hand or table knives. Device comprises a support on which a body with a semi-closed slot is fixed on a spring with a central hole. On the rear surface of the housing on the ledge a thrust wing is screwed into the threaded hole, and on the front surface there is a button of the folding mechanism acting on the spring. In the semi-closed groove of the housing on the hinge there is an arc post, on the rear side surface of which a toothed rack is made, roller is secured at bottom end to be aligned with spring central bore at post vertical position. Rotary assembly in the form of a hollow housing is movably installed on the arc post, on one side of which there is a mechanism for adjusting the position of the rotary assembly, and on the other side there is a platform with an inclinometer. Inside the hollow housing there is a spring-loaded axial pusher with a cam made integral with a lever located outside the side window of the hollow housing. On the front part of the above pusher there is a frame with knife clamps, made with possibility of rotation around horizontal axis and rigid fixation in horizontal position.

EFFECT: higher quality of sharpening.

8 cl, 11 dwg, 1 tbl