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US 7,731,437 B2Granted
Paper cutting device and printer
AssigneeSeiko Epson Corporation
InventorsMotoyoshi Shirotori, Hironori Maekawa
Life of this patent
Estimating the term…
Abstract
A paper cutting device comprising a fixed blade, a movable blade, a movable blade drive mechanism for moving the movable blade, wherein the movable blade and the fixed blade are disposed in substantially perpendicular positions.
Claims13
A paper cutting device comprising:
- an operable cover unit;
- a fixed blade;
- a fixed blade mounting plate to which the fixed blade is attached;
- a pivot plate for supporting the fixed blade mounting plate;
- a movable blade;
- a movable blade drive mechanism for moving the movable blade;
- and
- a fixed blade retraction mechanism for retracting the fixed blade in a direction away from the movable blade in conjunction with opening the operable cover unit;
- the fixed blade retraction mechanism comprising an engaging portion affixed to the operable cover unit, and an engaged portion attached to the pivot plate, wherein opening the operable cover unit causes the engaging portion to push the engaged portion, thus causing the pivot plate to unconditionally pivot so that the fixed blade mounting plate moves in a direction separating from the movable blade.
6 more elements
Dependencies are inferred from the claim text.