Daisy type print wheel apparatus

B - Operations – Transporting – 41 – J

Patent

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197/78

B41J 1/30 (2006.01)

Patent

CA 1090733

Abstract: Printing apparatus uses a daisy type print wheel which is continously driven through a magnetic clutch arrangement. Characters are selected by actuation of either an electro- magnetic brake acting on the print wheel or a toothed character selector acting on the spokes of the print wheel. When a character is selected and the print wheel is stopped, rotation of the motor continues because of the slippage of the magnetic clutch. Other features of the invention include a fast recovery time for the hammer because of its constant rate of actuation, proportional spacing by varying this constant rate and also an improved carriage scan technique which provides for fast return.

311992

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