Sheet feeding or delivering – Feeding – With means to align sheet
Patent
1974-10-07
1976-03-30
Blunk, Evon C.
Sheet feeding or delivering
Feeding
With means to align sheet
226180, 226194, 271274, 271DIG9, B65H 904, B65H 506
Patent
active
039470229
ABSTRACT:
A magnetic card transport system for an electronic typewriter comprises a reversible drive roll and a coacting pinch roll which form a nip through which a magnetic card is passed. The drive roll and pinch roll coact to move the card in opposite directions. Guide means are provided which is engaged by one longitudinal edge of the card, and spring means are provided which engage the other longitudinal edge of the card to urge the card into engagement with the guide means for registration purposes. The pinch roll is mounted in such a manner that it may freely oscillate. The oscillation is such that the pinch roll axis pivots in each direction from a line substantially perpendicular to the guide means between 1/2.degree. and 3.degree. about a vertical axis normal to its axis of rotation to allow for self-alignment to maintain the card in alignment with the guide means. With this construction, manufacturing tolerances of the pinch roll assembly for alignment are not as critical when the roll is not free to rotate about a vertical axis to self-align.
REFERENCES:
patent: 2535234 (1950-12-01), Schwartz
patent: 3438558 (1969-04-01), Hammond
patent: 3704360 (1972-11-01), McFadden
Blunk Evon C.
Stoner Jr. Bruce H.
Xerox Corporation
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