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Printing machine with torque compensation

Image Number 2 for United States Patent #6619199.

For invention enables torque-compensation of alternating interference-torques in a printing machine. The printing machine, in particular a sheet-fed printing press, has one or more processing stations with cylinders and drums and at least one gear train. The gear train is formed with multiple gear-wheels that drive the cylinders and drums. In a first configuration there is provided an elastic coupling between two equidirectionally rotating gear-wheels. In a second configuration there is provided an elastic crank on a gear-wheel. There is thus impressed onto gear wheel or gear wheels, an additional and variable torque, in addition to the driving-torque of the printing machine.

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