US 12,440,938 B2
Sharpening sheath adapted to receive a knife, and combination of such a sheath and a knife
Stéphane Plichon, Allonzier-la-Caille (FR)
Assigned to SEB S.A., (FR)
Appl. No. 17/918,496
Filed by SEB S.A., Ecully (FR)
PCT Filed Mar. 5, 2021, PCT No. PCT/EP2021/055682
§ 371(c)(1), (2) Date Oct. 12, 2022,
PCT Pub. No. WO2021/209195, PCT Pub. Date Oct. 21, 2021.
Claims priority of application No. 2003709 (FR), filed on Apr. 14, 2020.
Prior Publication US 2023/0148101 A1, May 11, 2023
Int. Cl. B24B 3/54 (2006.01); B24B 19/00 (2006.01); B24D 15/08 (2006.01)
CPC B24B 3/54 (2013.01) [B24B 19/002 (2013.01); B24D 15/084 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A sharpening sheath, configured to receive a knife to be sharpened or stored, comprising:
a cavity for receiving a blade;
an access opening at one end of the cavity; and
a sheath comprising a base, an upper part configured to receive a back of the blade, and a lower part comprising a sharpening device configured to be applied to a cutting edge of the blade when the blade is inserted or removed from the sheath, the base and the upper part defining a lower extent and an upper extent of the cavity, respectively,
wherein the sharpening device is supported by an arm comprising a first longitudinal end rotatably mounted on a stand so as to pivot around a first axis, the arm configured to be biased towards the upper part, and wherein the sharpening device is rotatably mounted at a second longitudinal end of the arm and suspended from the second longitudinal end of the arm, and
wherein the sharpening device is mounted on the arm so as to pivot around a second axis of the arm, wherein a center of gravity of the sharpening device is positioned between the second axis and the base of the sheath.