Envelope addressing system adapted to simultaneously print addre

Details Envelope addressing system adapted to simultaneously print addre Envelope addressing system adapted to simultaneously print addre

1990-09-04

1994-07-05

Wiecking, David

Typewriting machines

Code-printing typewriter

For typing and encoding

235432, 36446402, B41J 500, G06F 1520

Patent

active

053261810

ABSTRACT:
An envelope feeding and printing assembly providing for the individual, lengthwise feeding of envelopes and enabling printing thereon while said envelopes are in motion, including a plurality of print heads and a platen for imprinting the envelopes, an envelope storage bin for holding a stack of envelopes prior to printing and having a gate with a driven feed roller and a control surface defining an envelope nip leading from the bin to the print head array, transport rollers to carry envelopes from the gates to the platen, timing control means to produce timing signals corresponding to the speed of the transport rollers, envelope position sensors to sense the leading and following edges of envelopes passing through said transport rollers and to produce control signals corresponding to envelope position, and a controller to receive the timing and control signals and to control the feed roller and to control the "start time" and speed of printing of the print heads, so that envelopes may be printed seriatim and lengthwise while continuously moving. The print heads are non-sequential and staggered to permit closer line spacing and "start times" of individual lines adjusted accordingly.

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