Patent ID: 7025447

Claim:
Ink cartridge holder for delivering ink to printing machine ink systems, comprising: a cover which seals an ink cartridge holder shut and allows compressed air to build up inside the holder in order to squeeze ink out of a cartridge positioned in the ink cartridge holder, a locking mechanism for locking the cover in a closed position and for unlocking when the cover is opened, an air valve to control the delivery and extraction of air in relation to the inside of the holder, said valve being operable depending on the locked or unlocked position of the cover, a pivoting actuator for independently opening and closing the cover in such a way that, in a first phase of motion, the pivoting actuator moves the cover into the closed position and, in a second phase of motion, locks the cover and switches the air valve, and performs an opposite operation during an opening process, the pivoting actuator comprising a drive cylinder with an extending piston rod mounted on a console which is connected with the ink cartridge holder, and a hinge mechanism for the cover mounted on the console along a first pivot axis, said hinge mechanism comprising a hinge arm with a longitudinal hole and a cross bolt disposed inside the longitudinal hole and connected with the piston rod of the drive cylinder, said cross bolt being locked when in a rear end position of the longitudinal hole and remaining locked until the cover closes.