Typewriting machines – Means auxiliary to typewriting function – Frame – casing – or support for typewriter
Patent
1987-06-15
1988-03-22
Pieprz, William
Typewriting machines
Means auxiliary to typewriting function
Frame, casing, or support for typewriter
400692, 400328, B41J 2902
Patent
active
047325020
ABSTRACT:
A printing mechanism assembly, including a platen, a carriage bearing a print head thereon, a ribbon cassette, and drive mechanisms for driving these members for printing operation, is mounted on a subframe to form a unit. Also, control means including a printed board for controlling the operations of the drive mechanisms, and power supply means for supplying electric power to the drive mechanisms through the control means are unitized independently. All of the resulting units are mounted on a main frame. The subframe, with the printing mechanism assembly thereon, is removably mounted on the rear half portion of the main frame; the control unit on the underside of the main frame, and the power supply unit in a notch formed at the front corner portion of the main frame. Power supply units of various specifications may be used alternatively which incorporate different transformers adapted for varied external supply voltage connected thereto.
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Brother Kogyo Kabushiki Kaisha
Pieprz William
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