Rotary cutter mechanism
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsAkira SAGO, Takashi TAKEUCHI
Life of this patent
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Abstract
A rotary cutter mechanism includes a rotary blade which is rotatably provided around a shaft center and which includes a first cutting edge portion, a counter blade which is provided to face a locus drawn by the first cutting edge portion of the rotating rotary blade and which includes a second cutting edge portion, and a protruding member which is provided on the edge portion of the rotary blade on the first direction side and which protrudes from the rotary blade toward a rotation direction side, the rotation direction side being a side on which the rotary blade faces the object to be cut in a case where the object to be cut is cut between the first cutting edge portion and the second cutting edge portion.
Claims6
A rotary cutter mechanism comprising:
- a rotary blade which is rotatably provided around a shaft center and which includes a first cutting edge portion, the first cutting edge portion having a width, in an axial line direction of the shaft center, at an edge portion on a first direction side, the first direction being a direction away from the shaft center;
- a counter blade which is provided to face a locus drawn by the first cutting edge portion of the rotating rotary blade and which includes a second cutting edge portion, the second cutting edge portion having a width in the axial line direction, and the counter blade configured to cut an object to be cut between the first cutting edge portion and the second cutting edge portion of the rotating rotary blade;
- and
- a protruding member which is provided on the edge portion of the rotary blade on the first direction side and which protrudes from the rotary blade toward a rotation direction side, the rotation direction side being a side on which the rotary blade faces the object to be cut in a case where the object to be cut is cut between the first cutting edge portion and the second cutting edge portion.
Dependencies are inferred from the claim text.