Transmission device for plotters

摘要

The present invention relates to transmission device for plotters characterized in that it comprises at least a freely rotating first wheel (2) arranged between the motor tube (5) and the winder tube (6) of a plotter, such that the rotation of the motor tube (5) is transmitted to said winder tube (6) through said freely rotating first wheel (2). It may also comprise a pair of freely rotating wheels (3) that are constrained to rotate together by contact, arranged between said motor tube (5) and said winder tube (6), one wheel of said pair of wheels (3) being in contact with said motor tube (5) and the other wheel of said pair of wheels (3) being in contact with said winder tube (6). It facilitates the change from direct to inverse transmission without having to use tools, and it achieves a clutch effect as the result of the sliding of the wheels with respect to the tubes.

主权项

1. A transmission device for plotters comprising a single freely rotating first wheel (2) arranged to simultaneously contact the motor tube (5) and the winder tube (6) of a plotter, such that the rotation of the motor tube (5) is transmitted to said winder tube (6) through only said freely rotating first wheel (2), wherein the single freely rotating first wheel (2) is unconnected to a motor other than the motor tube, and capable of being rotated clockwise or counterclockwise; and, wherein the freely rotating first wheel (2) slides relative to motor tube (5) or winder tube (6) when the winder tube (6) has a different rotational speed than the motor tube (5).