Actuating apparatus

Actuating apparatus for opening and closing a cover in or on a vehicle, having push-push kinematics which interact with the cover, comprising:

• a housing (10, 110) configured for being installed in a vehicle,
• a pusher (14, 114) mounted in the housing (10, 110) so as to be rotatable about a longitudinal axis of the pusher and axially movable, the pusher having an outer actuating end that projects from a housing opening (12) out of the housing (10, 110) in every axial position of movement of the pusher, the pusher having an inner actuating end (42) that is located opposite the outer actuating end and is located within the housing in every axial position of movement of the pusher,
• a spring (38, 138) in the housing (10, 110), said spring (38, 138) preloading the pusher (14, 114) into a position extended furthest out of the housing (10, 110),
• an actuating sleeve (20) connected to the cover or a part carrying the cover and into which the outer actuating end of the pusher (14, 114) is introducible, an inner side of of the actuating sleeve having at least one actuating groove (22) that extends at least partially in a helical manner about a longitudinal axis of the actuating sleeve (20), at least one actuating protrusion (16, 116) of the pusher (14, 114) engaging in said actuating groove when the pusher (14, 114) is introduced into the actuating sleeve (20), such that, during an axial relative movement between the actuating sleeve (20) and the pusher (14, 114), the pusher (14, 114) is also rotated about the longitudinal axis of the pusher, wherein the spring (38, 138) is twisted counter to its preload during rotation of the pusher (14, 114) while the pusher (14, 114) is being introduced into the actuating sleeve (20),
• a control sleeve (44, 144) arranged in the housing (10, 110) in a rotationally fixed and axially displaceable manner and with which the inner actuating end (42) of the pusher (14, 114) cooperates such that, during axial movement of the pusher (14, 114) in the housing (10, 110), the control sleeve (44, 144) is moved axially along with the pusher, wherein the pusher (14, 114) is rotatable relative to the control sleeve (44, 144), and
• a control ring (46, 146) surrounding the control sleeve (44, 144) at least over a part of an axial adjustment region of the pusher (14, 114), the control ring mounted in an axially fixed and rotatable manner in the housing (10, 110), and the control ring having an inner periphery with at least one control protrusion, said control protrusion (48) engaging in a push-push control curve formed on an outer side of the control sleeve (44, 144).