Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent
1987-02-19
1987-10-13
Burr, Edgar S.
Typewriting machines
For line-spacing by incremental rotation of platen
By electric-power drive
400569, 74625, B41S 1992
Patent
active
046995340
ABSTRACT:
There is provided a sheet advancing device including a driving source for driving a sheet advancing roller, a manual advancing member for manual drive of the sheet advancing roller, detention mechanism with a detention function for elastic detent of rotation of the sheet advancing roller at a determined position, and control means for disabling the detention function in sheet advancement with the drive source but enabling the detention function in sheet advancement with the manual advancing member.
REFERENCES:
patent: 1027391 (1912-05-01), Raber
patent: 2831559 (1958-04-01), Riffert
patent: 3272303 (1966-09-01), Pohl
patent: 3618738 (1971-11-01), Boyatt
patent: 3820646 (1974-06-01), Lombardi
patent: 3880016 (1975-04-01), Jamieson et al.
patent: 3915281 (1975-10-01), Blomquist et al.
patent: 3935938 (1976-02-01), Hodne
patent: 4039069 (1977-08-01), Kwan
patent: 4195940 (1980-04-01), Rekewitz
patent: 4383778 (1983-05-01), Costa
patent: 4494887 (1985-01-01), Wincent
IBM Technical Disclosure Bulletin, vol. 19, No. 8, "Stepping Motor Stop Control", pp. 2974-2975.
IBM Technical Disclosure Bulletin, vol. 17, No. 4, "Electromechanical Variable-Index System", pp. 959-960.
Asakura Osamu
Nagashima Masasumi
Nozaki Mineo
Uchikata Yoshio
Burr Edgar S.
Canon Kabushiki Kaisha
Cohen Moshe I.
LandOfFree
Sheet advancing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sheet advancing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sheet advancing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-408824