Cam follower for actuating gas exchange valve in valve gear device of internal-combustion engine, has gripping element for gripping cam outline and another gripping element for gripping another cam outline

摘要

The cam follower has a gripping element (16a) for gripping a cam outline (14a) and another gripping element (16b) for gripping another cam outline (14b). A switching unit is switched between two operating modes, where former cam outline is gripped by the former gripping element in former operating mode and latter cam outline is gripped by latter gripping element in latter operating mode. The switching element is switched additionally into third gripping element, which actuates a gas exchange (20) valve to deactivate the operating modes.