Recorders – Record receivers and/or driving means therefor – Web
Patent
1986-05-09
1988-09-06
Hartary, Joseph W.
Recorders
Record receivers and/or driving means therefor
Web
242 673R, 346138, 346 24, G01D 1528
Patent
active
047696524
ABSTRACT:
An ink jet printer with a continuous supply of sheet material from a spool contained within an imaging drum. The sheet material is withdrawn from the interior of the drum by a pair of rollers carried by the drum and removably connected to an external drive system. The sheet material travels around the drum and is held by the rollers in that position. The external drive system is then disconnected allowing the drum to rotate while a printing head scans the surface of the sheet material to produce the desired image. After the imaging process, the drum is stopped in a predetermined position and the rollers connected to the external drive. The rollers are then driven to eject the imaged sheet material while a fresh supply is withdrawn from the interior of the drum and wrapped around its outer surface. The ejected sheet material is sheared by a transverse cutter and the sheared end of the sheet material is withdrawn by the rollers to a length short enough that it does not interfere with the subsequent imaging step. Means are provided for tensioning the sheet material around the drum prior to the next imaging process. The operation of the drive mechanism in three modes, a rest mode while the drum rotates, a paper ejecting mode, and a paper tensioning mode, is controlled by the lateral position of the cutter mechanism.
REFERENCES:
patent: 3829208 (1974-08-01), van Meijel et al.
patent: 3974974 (1976-08-01), Nishikawa
patent: 4005257 (1977-01-01), Krallinger et al.
patent: 4703329 (1987-10-01), Allen
patent: 4707704 (1987-11-01), Allen
patent: 4707712 (1987-11-01), Buckley
Cleary Arthur
Winey Calvin
Advanced Color Technology, Inc.
Barrett E T
Hartary Joseph W.
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