RECUPERATORE D USURA PER IL COMANDO DI UN DISPOSITIVO D ACCOPPIAMENTO QUALE UN INNESTO

摘要

The wear take-up assembly comprises ratchet engagement device (51) which is interposed between a toothed sector (42) and a lever assembly (19). The toothed sector (42) co-operates with a positioner operating member (20) and resilient force moderator member (21). The lever assembly (19) acts on the clutch by way of the fork (41) and the thrust member (18). The lever assembly (19) advantageously, comprises two levers (49 and 50) so arranged as to amplify the movement of the lever (49) which co-operates with ratchet engagement device (51) so as to permit a fine wear take-up action.