Typewriting machines – Sheet or web – For feeding web record-medium
Patent
1997-04-09
1999-02-09
Hilten, John
Typewriting machines
Sheet or web
For feeding web record-medium
4006163, 400656, B41J 1126
Patent
active
058685073
ABSTRACT:
In a sprocket-driven plotter, a pair of drive sprockets are spaced apart from each other and keyed to a common sprocket shaft, and a drive motor is drivingly connected to the shaft to rotatably drive the sprockets, and in turn move the sheets engaged by the sprockets relative to a tool carriage for plotting by drawing lines, cutting or performing a variety of other operations on the sheets. A sheet support defines an arcuate support surface fixedly secured to the apparatus, and extending in its elongated direction between the sprockets for conformably contacting the laterally-extending section of each sheet engaged by the sprockets. The arcuate support surface defines a plurality of relatively raised or outermost surface areas, and each raised surface area is defined by an arcuate surface segment extending in the axial direction of the support for contacting and supporting the sheets. Corresponding recessed surface areas are formed between the raised surface areas for reducing friction between the sheets and support.
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Gerber Scientific Products, Inc., Gerber 1996 Product Catalog, pp. 13-16, 1996.
Stempien Joseph W.
Thomas Michael J.
Gerber Scientific Products, Inc.
Hilten John
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