Fastening system (19) for one end of a pivot axis (6) of a manual sealing device (1) with automatic inking, wherein the pivot axis (6) through a device printing types (3 ) housed in an outer body (2) of the sealing apparatus, and guide slits (12) located in the side walls (7, 8) of the outer body (2) of the sealing apparatus, and is fastened with its ends in apertures ( 15) made in the sides (13, 14) of an actuating bow (5) which is movable relative to the outer body (2) of the sealing apparatus, with the fastening system (19) of the shaft one piece ring (17 ) engagable elastically pressed onto the end of the pivot axis (6) and which is provided with at least one radial inner projection (20) embedded elastic pressure, to be engaged elastically pressed into a recess (21 ) on the outer perimeter close to outer end shaft bascul ado (6), wherein the ring part (17) is formed in one piece with a bearing bush (16), which fastening system (19) of the shaft being mounted through the side (13) the actuating bow and the longitudinal slit (12) made in the side wall (7) of the outer body (2) of the sealing apparatus.
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