Paper cutting apparatus in a small-sized printer

Details Paper cutting apparatus in a small-sized printer Paper cutting apparatus in a small-sized printer

1997-09-26

1999-10-26

Yan, Ren

Typewriting machines

Sheet or web

For feeding web record-medium

101 9307, 83697, B41J 1168

Patent

active

059716398

ABSTRACT:
A paper cutting apparatus in a small-sized printer for issuing vouchers or receipts having a cutter base with a paper inlet in one side, a fixed cutter installed on an upper surface of the cutter base, and a cutter cover installed on the upper portion of the cutter base to define a space with the cutter base. A movable cutter is installed on an upper side of the cutter base and has an upright shaft pin connected to a driving mechanism. A guide unit is provided at the lower portion of the movable cutter to produce rectilinear movement of the movable cutter. The driving mechanism includes a driven cam installed on the cutter cover and receiving the shaft pin for moving the movable cutter. A compressive unit contacts the upper surface of the movable cutter to apply a resilient pressing force on the movable cutter to keep it in contact with the fixed cutter during the paper cutting operation. A frictional force decreasing device acts between the cutter base and the movable cutter to decrease friction therebetween. An auxiliary cam operates an on/off switch for timely stopping the driving mechanism.

REFERENCES:
patent: 4211498 (1980-07-01), Shimizu et al.
patent: 4302119 (1981-11-01), Siegenthaler
patent: 5505552 (1996-04-01), Hasegawa et al.
patent: 5613788 (1997-03-01), Dobring
patent: 5727889 (1998-03-01), Koyabu
IBM Tech. Disc. Bulletin vol. 26, No. 8 "Compact Cutter Guillotine", Jan. 1984.
IBM Tech. Disc. Bulletin vol. 32 No. 3B "Customer Replaceable Cash Receipt Cutter", Aug. 1989.
IBM Tech. Disc. Bulletin vol. 31 No. 5 "Receipt Paper Cutoff Mechanism", Oct. 1988.

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