The invention relates to a friction surface clutch (10) for use in motor vehicles, in particular for switching an air compressor or the like, wherein the friction surface clutch comprises a first tapered element (11) having a first friction surface (12) and a second tapered element (13) having a second friction surface (14), wherein the friction surface clutch has an actuating device (15) having an actuating element (16) for force-locked connection and disconnection of the tapered elements, wherein the tapered elements are in force-locked connection in an unactuated operating state of the friction surface clutch, wherein the actuating device comprises a pressure element (21) coupled to the actuating element and a lever device (22) interacting with the first tapered element, wherein the pressure element can be engaged with the lever device in an actuated operating state of the friction surface clutch so that the force-locked connection can be disconnected, wherein the first tapered element has a guide part, in which the pressure element can be guided in a torsion-resistant way relative to the first tapered element prior to reaching a wear limit of the friction surfaces and can be engaged with the lever device in order to disconnect the force-locked connection, wherein the pressure element can be detached from the guide part when the wear limit of the friction surfaces is reached such that the pressure element can no longer engage with the lever device after leaving the guide part, so that the force-locked connection can no longer be disconnected.

The invention relates to a friction surface clutch (10) for use in motor vehicles, in particular for switching an air compressor or the like, wherein the friction surface clutch comprises a first tapered element (11) having a first friction surface (12) and a second tapered element (13) having a second friction surface (14), wherein the friction surface clutch has an actuating device (15) having an actuating element (16) for force-locked connection and disconnection of the tapered elements, wherein the tapered elements are in force-locked connection in an unactuated operating state of the friction surface clutch, wherein the actuating device comprises a pressure element (21) coupled to the actuating element and a lever device (22) interacting with the first tapered element, wherein the pressure element can be engaged with the lever device in an actuated operating state of the friction surface clutch so that the force-locked connection can be disconnected, wherein the first tapered element has a guide part, in which the pressure element can be guided in a torsion-resistant way relative to the first tapered element prior to reaching a wear limit of the friction surfaces and can be engaged with the lever device in order to disconnect the force-locked connection, wherein the pressure element can be detached from the guide part when the wear limit of the friction surfaces is reached such that the pressure element can no longer engage with the lever device after leaving the guide part, so that the force-locked connection can no longer be disconnected.

The present invention relates to a coupling arrangement (24) comprising a first part (12), which defines a longitudinal axis (L), a second component (14), which is displaceably mounted along the longitudinal axis (L), a press-on element (16), which pretensions the second component (14) in a first position, in which the second component (14) is in frictional engagement with the first component (12), and an actuating unit (18), with which the second component (14) can be displaced from the first position in a second position, in which the second component (14) is distanced from the first component (12), wherein the actuating unit (18) comprises an actuator (20), which is displaceable along the longitudinal axis (L) and thereby provides an opening force, and a lever (22) which is rotatably mounted in the second component (14) about an axis of rotation (D) that is perpendicular to the longitudinal axis (L), and has a contact surface (26), with which the lever (22) is in contact with a fixed mating surface (28), wherein the contact surface (26) and/or the mating surface (28) has a convex curvature (30), and the actuator (20) and the lever (22) cooperate in such a way that the movement of the actuator (20) along the longitudinal axis (L) is converted into a movement of the lever (22) on the mating surface (28), whereby the second component (14) is displaced along the longitudinal axis (L) in the second position.

The present invention relates to a coupling arrangement (24) comprising a first part (12), which defines a longitudinal axis (L), a second component (14), which is displaceably mounted along the longitudinal axis (L), a press-on element (16), which pretensions the second component (14) in a first position, in which the second component (14) is in frictional engagement with the first component (12), and an actuating unit (18), with which the second component (14) can be displaced from the first position in a second position, in which the second component (14) is distanced from the first component (12), wherein the actuating unit (18) comprises an actuator (20), which is displaceable along the longitudinal axis (L) and thereby provides an opening force, and a lever (22) which is rotatably mounted in the second component (14) about an axis of rotation (D) that is perpendicular to the longitudinal axis (L), and has a contact surface (26), with which the lever (22) is in contact with a fixed mating surface (28), wherein the contact surface (26) and/or the mating surface (28) has a convex curvature (30), and the actuator (20) and the lever (22) cooperate in such a way that the movement of the actuator (20) along the longitudinal axis (L) is converted into a movement of the lever (22) on the mating surface (28), whereby the second component (14) is displaced along the longitudinal axis (L) in the second position.

An embodiment auto sliding ramp for a vehicle includes a drive motor, a clutch rod including a clutch body slidably inserted inside the drive motor and a clutch gear mounted on the clutch body, a motor clutch connecting the drive motor and the clutch rod, a ramp drive unit configured to drive the ramp according to its rotation, a main drive including a drive gear engaged with the ramp drive unit and a drive shaft connected to the drive gear and configured to manually rotate the drive gear, and a clutch operation part configured to disengage the motor clutch by pushing the clutch rod.

In some examples, a cone clutch assembly includes an inner cone member rotationally coupled to a first shaft, the inner cone member defining a first friction surface, and an outer cone member rotationally coupled to a second shaft, the outer cone member defining a second friction surface opposing the first friction surface. The inner cone member and outer cone member are configured to be selectively engage and disengaged from each other. When the inner cone member is engaged with the outer cone member, the first friction surface of the inner cone member frictionally engages the second friction surface of the outer cone member such that rotational motion is transferred between the inner cone member and the outer cone member. The inner surface of the inner cone member opposing the first friction surface includes at least one groove configured to receive a cooling fluid during operation of the cone clutch assembly.

In some examples, a cone clutch assembly includes an inner cone member rotationally coupled to a first shaft, the inner cone member defining a first friction surface, and an outer cone member rotationally coupled to a second shaft, the outer cone member defining a second friction surface opposing the first friction surface. The inner cone member and outer cone member are configured to be selectively engage and disengaged from each other. When the inner cone member is engaged with the outer cone member, the first friction surface of the inner cone member frictionally engages the second friction surface of the outer cone member such that rotational motion is transferred between the inner cone member and the outer cone member. The inner surface of the inner cone member opposing the first friction surface includes at least one groove configured to receive a cooling fluid during operation of the cone clutch assembly.

A coupling arrangement is provided and includes a first component, a second component, a press-on element, and an actuating unit, such that the second component can be displaced from a first position to a second position. The actuating unit includes an actuator and a lever rotatably mounted in the second component about an axis of rotation perpendicular to a longitudinal axis and having a contact surface to contact a fixed mating surface. The contact surface and/or the mating surface has a convex curvature, and the actuator and the lever cooperate such that the movement of the actuator along the longitudinal axis is converted into movement of the lever on the mating surface, and such that the second component is displaced along the longitudinal axis in the second position.

A coupling arrangement is provided and includes a first component, a second component, a press-on element, and an actuating unit, such that the second component can be displaced from a first position to a second position. The actuating unit includes an actuator and a lever rotatably mounted in the second component about an axis of rotation perpendicular to a longitudinal axis and having a contact surface to contact a fixed mating surface. The contact surface and/or the mating surface has a convex curvature, and the actuator and the lever cooperate such that the movement of the actuator along the longitudinal axis is converted into movement of the lever on the mating surface, and such that the second component is displaced along the longitudinal axis in the second position.

A shifting device for a motor vehicle is described, comprising a first coupling component which is adapted to be selectively rotationally coupled to a second coupling component with a form-fit. In an open state, the first coupling component is rotationally decoupled from the second coupling component. In a frictional fit state, the coupling components are rotationally coupled with a frictional fit via a first frictional fit ring and a second frictional fit ring. In a form-fit state, an actuating ring is rotationally coupled to the first coupling component and the second coupling component with a form-fit such that the latter are connected with a form-fit. A motor vehicle transmission, in particular a fully automatic stepped transmission having such a shifting device is additionally presented.