Web-advancing apparatus

Details Web-advancing apparatus Web-advancing apparatus

1980-06-20

1982-06-01

Gilreath, Stanley N.

Advancing material of indeterminate length

With means to retard material movement

242 753, 242147R, B65H 2316, B65H 7700

Patent

active

043323391

ABSTRACT:
An apparatus for transporting webs of photographic material or the like has a web supply roll from which the web is pulled by a pull-off device. According to the invention a tilt arm is mounted intermediate the supply roll and the pull-off device and carries a roller at one end about which the web is drawn off, causing the arm to tilt. Tilting is resisted by a spring acting upon the other end of the arm. An arrangement is provided for varying the resisting force of the spring as a function of the tilted position of the arm.

REFERENCES:
patent: 1462604 (1923-07-01), Lavalle
patent: 2419808 (1947-04-01), Wirth
patent: 2570773 (1951-10-01), Davis
patent: 2983468 (1961-05-01), Perrella
patent: 2992792 (1961-07-01), Van Der Hoek
patent: 3366147 (1968-01-01), Picanol
patent: 3405857 (1968-10-01), Albrecht

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