an inking system for an offset printing press having a stationary portion and a movable portion that is movable toward and away from a roller . a plurality of hinge pins form a pivot axis between the stationary and movable portions . each of the hinge pins having at least one hollow end portion communicating axially with one of the stationary and movable portions permitting ink flow . each of the hinge pins also having a radial passage for ink , whereby the ink may pass from the stationary portion to the movable portion , and whereby the ink may be supplied to the movable portion during change of the relative positions of the stationary and movable portions .