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Class Information
Number: 400/216.2
Name: Typewriting machines > Including interposed inking device (e.g., ribbon) for record-medium > Including mechanism for shifting ribbon laterally at print-point > By ribbon vibrator > Including variable throw of vibrator > For diverse-field (e.g., plural-color) ribbon > With typewriter-controlled change of field
Description: Subject matter wherein a first part of a typewriter moves to accomplish its intended first-part function, and during said movement the first part engages a second part to move the second part, and wherein movement of the second part causes movement of the vibrator* that changes the ribbon* zone that is over the print-point*.










Patents under this class:

Patent Number Title Of Patent Date Issued
5480237 Color printer having a ribbon controller Jan. 2, 1996
5476331 Printer having print head position sensor and mechanism for inhibiting print head movement when ribbon holder is not in initial position Dec. 19, 1995
5314259 Recording apparatus having an improved mechanism for moving the recording section thereof May. 24, 1994
5154520 Multicolor printing apparatus having a multicolor ribbon shifting mechanism Oct. 13, 1992
5145269 Printer with a plurality of ink ribbon cassettes having a cam lift mechanism controlled by a stepper motor Sep. 8, 1992
5123760 Printer with variable ribbon shifting mechanism Jun. 23, 1992
5112150 Serial type color printer with ink ribbon cassette position sensor May. 12, 1992
5080511 Serial type color printer used with ink ribbon cassette Jan. 14, 1992
5063392 Color change system for multicolor strip chart recorders Nov. 5, 1991
5039241 Ribbon shifter with impact of character center on ribbon center Aug. 13, 1991
4983057 Ribbon position selecting device for printer Jan. 8, 1991
4867587 Printer for monochrome and color printing Sep. 19, 1989
4810118 Cartridge system for printing apparatus Mar. 7, 1989
4758108 Printing apparatus with carriage drive utilized to feed print and erase ribbons and/or to feed the print ribbon and shift the erase ribbon Jul. 19, 1988
4747715 Vacuum buffered ribbon transport system May. 31, 1988
4586837 Ink ribbon cartridge indication system for printer May. 6, 1986
4368993 Replaceable assembly for multicolor printing Jan. 18, 1983
4280767 Printing apparatus Jul. 28, 1981
4236839 Device for adjusting the height of a ribbon guide Dec. 2, 1980
4141662 Recording ribbon mechanism for instrument recorders Feb. 27, 1979
4073371 Apparatus and circuits for two-color printing in electronic impact printers Feb. 14, 1978
3976180 Matrix printer comprising one or more stackable groups of printing wires Aug. 24, 1976











 
 
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