Apparatus for delaying printer bail closing

Details Apparatus for delaying printer bail closing Apparatus for delaying printer bail closing

1983-01-03

1987-08-04

Wright, Jr., Ernest T.

Typewriting machines

Sheet or web

Including friction-feed means

400624, B41J 1320

Patent

active

046842772

ABSTRACT:
An apparatus for delaying the closing of a printer paper bail so that paper positioned for the first line of printing at the top of the paper will advance in the paper path to a position where the paper bail can close on it. The apparatus mounts on a conventional paper bail assembly and has a sector cam which rotates to a position between its axis of rotation and the platen thereby restraining the closing of the paper bail. It is preferable that the sector cam contact the drive gear of the platen. When the platen rotates for feeding the paper through the paper path, frictional contact between the sector cam and the platen gear causes the sector cam to rotate to a position where the sector is no longer between its axis of rotation and the platen thereby permitting the paper bail which is under spring tension to close.

REFERENCES:
patent: 1052021 (1913-02-01), Steele
patent: 2210168 (1940-08-01), Hart
patent: 3157266 (1964-11-01), Dollenmayer
patent: 3266612 (1966-08-01), Kittel et al.
patent: 4031995 (1977-06-01), Blum et al.
patent: 4091912 (1978-05-01), Moss
patent: 4101018 (1978-07-01), Sokolowski
patent: 4273456 (1981-06-01), Bisczat et al.
IBM Technical Disclosure Bulletin, "Automatic Mechanical Paper Bail Closer", Roy et al, vol. 22, No. 6, Nov., 1979, pp. 2173-2174.

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