Cutting – With work immobilizer – Means to clamp work
Reexamination Certificate
2007-07-31
2007-07-31
Peterson, Kenneth E. (Department: 3724)
Cutting
With work immobilizer
Means to clamp work
C083S485000, C083S614000
Reexamination Certificate
active
10919889
ABSTRACT:
A paper cutter comprising a pair of four-joint link array mechanisms disposed in parallel between a paper holding member and a base, wherein pivotal links adjacent between the respective four-joint link array mechanisms are disposed to intersect with each other and to be slanted in directions opposite each other; in association with pivotal movements of the pivotal links, connecting links move in opposition to each other in a longitudinal direction; a downward operation force of the paper holding member acts as a pulling force on the respective connecting links; vertical movement of the paper holding member is constantly maintained in a parallel state with respect to the base; and a substantially uniform pressing force is imparted in a longitudinal direction of the paper holding member in cooperation with the vertical movement of the paper holding member.
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patent: 5524515 (1996-06-01), Boda
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patent: 7011008 (2006-03-01), McLean et al.
patent: 2003/0010176 (2003-01-01), Chiang
patent: 0691189 (1996-01-01), None
patent: 3113953 (2000-09-01), None
Mori Makoto
Shimizu Fumio
Carl Manufacturing Co., Ltd.
Everest Intellectual Property Law Group
Leonard Michael S.
Nguyen Phong
Peterson Kenneth E.
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