Knife sharpening device

US11229988B2 · kind B2 · utility

Assignee

• ZWILLING J.A. Henckels AG · DE

Inventor

• Sebastian Mader · Hilden, DE

Key dates

• Filing date: Nov 26, 2018
• Grant date: Jan 25, 2022
• Expiry date: Nov 26, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B24D15/081
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A device for sharpening a knife. The device includes an enclosure, first and second grinding strips, first and second grinding strip holders, and first, second, third and fourth pendulum rods. Each of the first and second grinding strip holders have a lower section. The first grinding strip holder holds the first grinding strip and the second grinding strip holder holds the second grinding strip. The first and second grinding strip holders are movably arranged next to each another in the enclosure so that the first and second grinding strips intersect to form a movable sharpening slot having a V-shape. The first and second pendulum rods are hinged to the first grinding strip holder at the lower section via a lower joint. The third and forth pendulum rods are hinged to the second grinding strip holder at the lower section via a lower joint.