Roll sign module unit

Details Roll sign module unit Roll sign module unit

G - Physics

09

F

G09F 11/21 (2006.01) G09F 11/29 (2006.01) G09F 11/295 (2006.01)

Patent

CA 2274427

First and second rolls arranged with their axes parallel to each other and spaced from each other between said side frame members for being driven rotationally to wind an information bearing web on one roll while the web is unwinding from the other roll. The rolls are journaled for rotation at their opposite ends on stub axles that project in cantilever fashion from opposite side members of the frame. Each roll has a gear fastened to a corresponding end coaxially with the roll. A drive shaft extends transversely to the axes cog both rolls. A first pinion is positioned on the drive shaft for meshing with the gear on the first roll and is free to turn on the drive shaft. A second pinion is fastened to the drive shaft and meshes with the gear on the second roll. A spur gear is fastened to the drive shaft between the pinions. A tube spans between the spur gear and first turnable pinion for supporting a helical spring that has one end fastened to the spur gear and its other end fastened to the first pinion so when the drive shaft is rotated by hand or by a reversible motor the first rolls are driven elastically through the agency of the helical spring.

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