Rotary drum printer and inking apparatus therefor

Claim 1

A PRINTING MACHINE OF THE CLASS DESCRIBED HAVING A FRAME, A ROTATABLE PRINTING DRUM WITH WORK-IMPRINTING TYPE THEREON, A ROTATABLE TRANSFER ROLL BEARING AGAINST THE PRINTING DRUM FOR APPLYING INK TO THE TYPE ON SAID DRUM, A ROTATABLE SQUEEGEE ROLL BEARING AGAINST THE TRANSFER ROLL, THE TRANSFER ROLL BEING DRIVEN BY CONTACT WITH THE PRINTING DRUM, THE SQUEEGEE ROLL BEING DRIVEN BY THE TRANSFER ROLL, ADJUSTABLE VALVE-CONTROLLED MEANS FOR INTERMITTENTLY APPLYING INK AT INTERVALS TO THE SQUEEGEE ROLL AND CUTTING OFF THE SUPPLY OF INK BETWEEN SAID INTERVALS, AND MEANS CONTROLLED BY ROTATION OF THE PRINTING DRUM FOR EFFECTING THE INTERMITENT OPENING AND CLOSING OF THE VALVE-CONTROLLED MEANS WHILE THE PRINTING DRUM IS ROTATING, WHEREBY INK IS SUPPLIED TO THE TRANSFER ROLL ACCORDING TO THE SPEED OF THE PRINTING DRUM.