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    • 9. 发明授权
    • Cutter-carrier assembly for use with pencil sharpeners
    • US10843503B2
    • 2020-11-24
    • US15937368
    • 2018-03-27
    • Sanford, L.P.
    • Michael J. SchumacherChris W. Cicenas
    • B43L23/00B43L23/02
    • B43L23/008B43L23/02
    • A dual cutter-carrier assembly that includes a rotatable carrier having a front portion, a rear portion, and a center portion, wherein the center portion defines an interior cavity that is adapted to receive a pencil to be sharpened; a first cutter pin mounted on the carrier, wherein the first cutter pin has a front portion having an annular groove formed therein; a first cutter rotatably and slidably mounted on the first cutter pin; a second cutter pin mounted on the carrier, wherein the second cutter pin has a front portion having an annular groove formed therein; a second cutter rotatably and slidably mounted on the second cutter pin; a contact plate mounted within the interior cavity at the rear portion of the carrier, having a first yoke mechanically coupled to the first cutter and a second yoke mechanically coupled to the second cutter, wherein the contact plate moves in the direction of a pencil that is being sharpened when the tip of the advancing pencil touches the contact plate, wherein the first and second yokes move the first and second cutters respectively in the same direction as the moving contact plate; and wherein, as the pencil advances to a predetermined distance through the interior cavity, the first and second cutters are adapted to move outward from the interior cavity and away from the tip of the pencil being sharpened.