US 12,103,330 B2
Sharpeners for writing instruments
Michael Alan Jourden, Smyna, GA (US); Sarah Morgan Gorlick, Brooklyn, NY (US); and Daniel Patrick Sedlecky, Cumming, GA (US)
Assigned to Sanford, L.P., Atlanta, GA (US)
Appl. No. 17/767,390
Filed by Sanford L.P., Atlanta, GA (US)
PCT Filed Oct. 7, 2020, PCT No. PCT/US2020/054520
§ 371(c)(1), (2) Date Apr. 7, 2022,
PCT Pub. No. WO2021/071905, PCT Pub. Date Apr. 15, 2021.
Claims priority of provisional application 62/913,963, filed on Oct. 11, 2019.
Prior Publication US 2024/0075766 A1, Mar. 7, 2024
Int. Cl. B43L 23/02 (2006.01); B43L 23/00 (2006.01)
CPC B43L 23/008 (2013.01) [B43L 23/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A sharpener for a writing instrument, the sharpener comprising:
a receptacle;
an entry assembly coupled to the receptacle and defining an instrument opening, the entry assembly configured to receive an end of the writing instrument through the instrument opening along an entry axis;
a cutter assembly configured to revolve about the entry axis in engagement with the entry assembly to sharpen the end of the writing instrument, wherein the cutter assembly is removably engageable with the entry assembly at least by relative translation between the cutter assembly and the receptacle along the entry axis; and
a cutter platform transverse to the entry axis and opposing the entry assembly, wherein the cutter platform comprises at least one pad biased to remain in contact with an interior surface of the receptacle to secure the cutter platform to the receptacle.