Recorders – Record receivers and/or driving means therefor – Web
Patent
1991-05-03
1992-08-11
Reinhart, Mark J.
Recorders
Record receivers and/or driving means therefor
Web
346134, 346139R, 226 15, 226 16, 226 24, 226181, 226193, 242 571, 400579, 400617, 400619, 400636, 400639, G01P 1524, B23Q 1500, B65H 1600, B41J 1302
Patent
active
051383411
ABSTRACT:
A plotter wherein, while a sheet is being moved on a recording surface, figures, characters etc. are automatically depicted on the surface of the sheet, or the contours of figures, characters etc. are automatically cut in the surface of the sheet. In the plotter, both the side edges of the sheet are respectively held between drive rollers and corresponding pinch rollers mounted at both the sideward parts of the recording surface in opposition to each other, and the drive rollers at both the sideward parts of the recording surface are rotated synchronously to each other, whereby the sheet is moved in the rotating direction of the drive rollers on the recording surface. Each of the drive rollers is formed at its peripheral surface with milling or ruggedness for preventing the sheet from slipping. The plotter comprises piston-cylinder assemblies and associated springs for regulating respective pressures acting to press the pinch rollers at both the sideward parts of the recording surface against the surface of the sheet. It also comprises sensors for sensing the directions and degrees of the wobbles of the sheet moving on the recording surface, and a controller for controlling the lengths of the springs in accordance with the direction and degree of the wobble of the sheet sensed by the sensors, thereby to regulate the respective pressures acting to press the pinch rollers at both the sideward parts of the recording surface against the sheet surface. When the sheet has begun to wobble, the direction and degree of the wobble are sensed by the sensors, and the pressure acting to press the pinch roller against the sheet surface is increased or decreased, thereby to correct the moving orbit of the sheet.
REFERENCES:
patent: 4630071 (1986-12-01), Nakazawa
patent: 4683480 (1987-07-01), Sakamoto et al.
patent: 4839674 (1989-06-01), Hanagata et al.
Mimaki Engineering
Preston Gerald E.
Reinhart Mark J.
LandOfFree
Plotter with drive rollers having variable radial contact surfac does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Plotter with drive rollers having variable radial contact surfac, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plotter with drive rollers having variable radial contact surfac will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-349667