Typewriting machines – Sheet or web – For feeding web record-medium
Reexamination Certificate
2003-02-06
2004-10-12
Hirshfeld, Andrew H. (Department: 2854)
Typewriting machines
Sheet or web
For feeding web record-medium
C400S621000, C083S408000, C083S425200, C083S599000
Reexamination Certificate
active
06802663
ABSTRACT:
BACKGROUND
Typically, printed media, especially photographic printed media, must be trimmed to create a specialty-sized print. Generally, photographic printer outputs are trimmed offline to specialty-sizes, for example, 4×6-inch prints, 5×7-inch prints, 4×10-inch prints, or 8×10-inch prints. In one known method, all prints of one size are printed and cut from a media roll of a desired width. For example, if a 4×6-inch print is desired, then a media roll having a width of four inches may be used. The media is then transversely cut every six inches such that a plurality of 4×6-inch prints are produced. However, for each specialty-sized print a new media roll is required, and hence, the method is expensive and lacks versatility. Moreover, when using a small specialty-sized roll, as for example, the media roll having a width of four inches, the print speed and throughput of the equipment is lower than equipment which is capable of producing double prints across a media roll.
Accordingly to provide specialty-sized prints in a printer, it would be desirable to perform both slices and cuts online. However, one concern that arises when attempting to develop an online system which incorporates printing, slicing and cutting is the ability of a printer media advancement mechanism to direct the media through the printer without the media jamming or stopping after being cut or sliced. To avoid this difficulty, many known systems opt for an offline trimmer to create specialty-sized prints.
Offline trimmers, including offline cutters, which cut transversely to the media advancement direction, and offline slicers, which cut parallel to the media advancement direction, are alternative systems available to produce cleanly trimmed prints from a standard-sized media sheet. However, the cutters and slicers require additional steps in the production process as the printed media must first be manually removed by an operator from a printer and then input by the operator into the offline slicer and/or cutter. This process is not desired because the operator must first print the media, then slice the media, and finally, cut the media. Inaccuracies in cutting the prints are likely because each operation requires aligning the media sheet.
Integrated offline systems having both cutters and slicers are known, but consumer market products are simplistic in design. Known examples of consumer-available offline trimmers include hand-operated rotary trimmers or hand-operated guillotine cutters. These hand-operated systems, which are available to the consumer market, require manual alignment and positioning of the media, as well as manual operation of the slicer and/or cutter.
Commercial offline trimmers are also available. One type of known commercial trimmer employs an offline slicer, which has multiple blades to make a plurality of slices in a large media web. However, this type of slicer generally must be pre-set such that the media web is sliced continuously along the same lines. Hence, the blades that are engaged at the beginning of a print job remain engaged throughout the entire print job. Typically, these offline slicers are expensive and limited in their application.
In order to create different sized prints from a standard rolled media or media sheet, it would be desirable for the slicer to include blades that are independently actuable. One difficulty with such a flexible system, which allows a user to change the size of the prints on command, is the tendency for the system to crease the media sheet or print a blank media sheet as the system adjusts to the produce the desired print size. Commercial offline slicers are known which have employed a pneumatic actuator system that allows multiple round blades to be actuated simultaneously or intermittently by high-pressure air. However, such pneumatic systems are not practical for a small printer, due to the cost and size of the slicer.
SUMMARY
A printer for creating specialty-sized prints where media is advanced through the printer along a media advancement path, the printer including a housing, a printing mechanism disposed in the housing and configured to place a desired print on the media, a cutter mechanism disposed in the housing adjacent the printing mechanism and configured to cut the media transverse to a media advancement direction through the cutter mechanism, and a slicing mechanism disposed in the housing adjacent the printing mechanism and configured to cut the media parallel to a media advancement direction through the slicing mechanism.
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Boyd Melissa D.
Kwasny David M
Plotkin Lawrence R
Ross George C
Winston Emily B.
Ghatt Dave A.
Hirshfeld Andrew H.
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