Typewriting machines – Having power-driven operator for plural functions
Patent
1987-08-13
1988-10-18
Pearson, Charles
Typewriting machines
Having power-driven operator for plural functions
400146, 101 9314, B41J 120
Patent
active
047782943
ABSTRACT:
A printer comprising a printing drive gear for generating a print operation output and having a print control cam for controlling a print operation; a paper feed control cam adapted to be rotated with the printing drive gear as a unit for controlling a paper feed operation; a paper feed driving intermittent gear for generating a paper feeding output; a ratchet wheel for controlling an output timing of the paper feed driving intermittent gear; a print control lever adapted to be moved in association with the print control cam and be releasably engaged therewith; a paper feed control lever adapted to be moved in association with the paper feed control cam; a pawl lever adapted to be moved integrally with the paper feed control lever and be releasably engaged with the ratchet wheel; and an electromagnetic clutch capable of generating a first rotative output for driving the print control lever and a second rotative output for driving the paper feed control lever and the pawl lever, wherein the paper feed control cam has such a shape as to disengage the pawl lever from the ratchet wheel after printing of a type at a final column.
REFERENCES:
patent: 4449835 (1984-05-01), Arai
patent: 4560294 (1985-12-01), Sugawara et al.
patent: 4580917 (1986-04-01), Hibino
patent: 4632581 (1986-12-01), Ito et al.
Hori Fumihisa
Taniguchi Jun
Alps Electric Co. ,Ltd.
Chong Leighton K.
Pearson Charles
Shoup Guy W.
Winters Paul J.
LandOfFree
Printer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Printer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Printer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1191466