Textiles: fiber preparation
Patent
1974-06-26
1976-06-15
Burr, Edgar S.
Textiles: fiber preparation
197 20, 197127R, B41J 1302, B41J 1310
Patent
active
039631109
ABSTRACT:
An automatic sheet feeder for a tape driven typewriter includes a blank-sheet magazine and a filled-sheet magazine mounted above the platen. Sheet feed rollers are mounted to transfer the sheets to and from the platen and are coupled to a motor in combination with the typewriter platen. An electric clutch connects the platen to the normal line step drive. The clutch is disengaged simultaneously with energization of the motor so as to disengage the platen from the normal step drive during automatic feeding. A photoelectric encoder is coupled to the normal step drive and is activated to record the movement of the sheet through the typewriter. A presetable memory counter and a run counter detect a predetermined output of the encoder. The encoder is first connected to the memory counter. The first sheet is manually fed into the typewriter and the memory counter stores a record of the selected number of lines through which the sheet passes. The operator terminates the typing and then connects the encoder to the run counter. The next sheet is manually fed to the typewriter and an automatic control established. The memory counter and run counter are connected to the comparator to automatically control the motor and clutch. The automatic typewriter is independently programmed with means to establish an automatic delay between typing of pages to permit automatic feed of sequential sheets into the machine.
REFERENCES:
patent: 2813612 (1957-11-01), Berglund et al.
patent: 3430748 (1969-03-01), Parri
patent: 3658163 (1972-04-01), Sniderman
patent: 3684076 (1972-08-01), Crain et al.
patent: 3804226 (1974-04-01), Ellis
Borchert Hugo E.
Hyland Francis P.
Pilon Harlan J.
Tollefson Phillip J.
Burr Edgar S.
Hy Grip Products Co.
Suter R. E.
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