Winding – tensioning – or guiding – Unwinding – With detector – indicator – or control
Patent
1994-06-14
1996-09-10
Nguyen, John Q.
Winding, tensioning, or guiding
Unwinding
With detector, indicator, or control
2425341, 2425644, 355 72, B65H 2606, B65H 4300, B65H 2002
Patent
active
055538096
ABSTRACT:
A paper magazine is capable of feeding and rewinding a web of paper automatically without forming any indentation in or causing meandering of the web of paper. A pair of press rollers and a paper detection roller are provided along a feed path extending from the core of a paper roll in a paper magazine case to a paper outlet. A cam plate and an engaging roller control the movement of the press rollers toward and away from each other according to the position of the paper detection roller. The transmission of driving force to the core of the paper roll and the press rollers is changed over according to the position of the paper detection roller. The press rollers are pressed against the paper only when feeding and rewinding the paper.
REFERENCES:
patent: 4566785 (1986-01-01), Takenouchi
patent: 4765555 (1988-08-01), Gambino
patent: 5107296 (1992-04-01), Ozawa et al.
patent: 5181065 (1993-01-01), Ozawa et al.
Nguyen John Q.
Noritsu Koki Co., Ltd.
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