Abstract: A machine (1) for fitting and removing a tire (2) from a corresponding rim (3) of a wheel (4) of a vehicle, comprises: a rotating wheel-holder unit (6); a column (8); an upper arm (15) and a lower arm (23) slidably coupled to the column (8); an upper operating head (16); a lower operating head (24), rotating about a third axis of rotation (C) and equipped with a lower fitting tool (33), elongate in a direction for being operatively inserted between a lower bead of the tire (2) and an upper edge of the rim (3) and angularly spaced from the lower bead breaker tool (32) by a predetermined angle, so that the tools are selectively and alternatively positionable in an operating configuration.

Abstract: A tire changing apparatus for removing a tire from a corresponding rim of a wheel, comprising a frame having a supporting element configured to support the wheel rotatably about an axis of rotation, a bead breaker tool associated with the frame and movable towards and away from the supporting element along a movement direction, an actuator connected to the tool in order to move the latter along the movement direction and control means connected to the actuator. The control means comprise a processor which is set up to receive data representing a curve of the feed speed of the bead breaker tool towards the supporting element and which is programmed to identify a position of contact of the tool with the tire as a function of a deceleration of the bead breaker tool.

Abstract: A device for centring the rim of a wheel on the wheel-holder unit of a tire changer machine comprises a first plate which can be positioned above the wheel-holder unit and coupled there for rotating integrally with it and equipped with a through opening which can be aligned with a central hole of the wheel-holder unit for allowing the insertion of a clamping rod in the hole through the opening, for locking the rim on the wheel-holder unit. The device also comprises a second plate forming a supporting surface (E) for the rim and equipped with its own through opening, the second plate being slidably positioned above the first plate and the device also comprises friction reduction means operatively interposed between the first plate and the second plate for facilitating their sliding relative to each other.

Abstract: A removal tool (10) for a tire removing machine (1), for taking off a tire (7) from a respective wheel rim (6), comprises an elongate body (12) having a first end (12a) which is connectable to a supporting arm (3) and a second, hook-shaped end (12b) for grasping a bead (14) of the tire (7); the second end (12b) of the tool (10) has a fingernail shaped member (13) which is movable from a first operating configuration, where it projects in cantilever fashion from the body (12) to define the hooked shape, to a second operating configuration, where it is tucked in a lateral zone of the body (12), to give the tool (10) a hookless shape, and vice versa.

Abstract: An apparatus for mounting and removing a tire on and from a respective rim comprises: an element for moving a bead of the tire in order to insert/remove the bead into/from a respective groove in the rim, the element comprising a tool connected to a respective supporting arm for moving the bead; a rotatable support for the rim, in such manner as to turn the rim and the tire about a corresponding longitudinal axis of the rim; at least one sensor associated with the supporting arm for measuring the mechanical strain applied to the bead of the tire when the latter is mounted on, and removed from, the rim.

Abstract: An apparatus (1) for mounting and removing a tire (2) on and from a respective rim (3) comprises: a movement element (9) for moving a bead (2a) of the tire (2) in order to insert/remove the bead (2a) into/from a respective groove in the rim (3); means (4) for supporting and moving the rim (3), designed to rotationally drive the rim about its longitudinal axis; characterized in that the means (4) for supporting and moving the rim (3) comprise a sensor (252) for measuring the mechanical strain applied to the supporting and movement means (4) as a result of the mechanical stress on the bead (2a) of the tire (2) during mounting/removal of the latter on/from the rim (3).

Abstract: A tire-changing machine comprising support means (4) for a wheel, a tool-bearing arm (50) at an end of which a bead-breaking tool (6) is hinged according to a hinge axis (E) which is perpendicular to an axis (A) of the wheel, and first motorised means (32, 33) for causing a relative movement, in a parallel direction to the axis (A) of the wheel, between the support means (4) and the tool-bearing arm (50), such as to press the bead-breaking tool (6) against a flank of a tire on the wheel, characterized in that it comprises second motorised means (64), activatable independently from the first motorised means (32, 33), which second motorised means (64) are destined to rotate the bead-breaking tool (6) about the hinge axis (E) with the tool-bearing arm (50), in order to vary an inclination of the bead-breaking tool (6) with respect to the axis (A) of the wheel which is mounted on the support means (4).

Abstract: A removal tool (10) for a tyre removing machine (1), for taking off a tyre (7) from a respective wheel rim (6), comprises an elongate body (12) having a first end (12a) which is connectable to a supporting arm (3) and a second, hook-shaped end (12b) for grasping a bead (14) of the tyre (7); the second end (12b) of the tool (10) has a fingernail shaped member (13) which is movable from a first operating configuration, where it projects in cantilever fashion from the body (12) to define the hooked shape, to a second operating configuration, where it is tucked in a lateral zone of the body (12), to give the tool (10) a hookless shape, and vice versa.

Abstract: An apparatus (1) for checking the attitude of a vehicle (2) includes: at least one target (3) defining a spatial reference system; a mobile unit (4) adapted for measuring the value of parameters representing the geometric characteristics of the wheels of the vehicle (2), and for viewing the target (3); a processor (13) is connected to a camera (14) mounted on the mobile unit, for calculating the position of the wheel (9) relative to the reference system to calculate the attitude of the vehicle (2); an interface (23) is provided, designed to make available in real time to the user driving the mobile unit (4) information relating to the position of the camera (14) relative to the wheel (9), wherein the mobile unit (4) can be driven manually by a user to be positioned in proximity of the wheel (9).

Abstract: The blocking device of a wheel rim on a tire-mounting machine is provided with a rotating support plate having a central hole, and includes a stem for engaging with the rotating support plate, and a cursor which is slidable on the stem and which includes a conical centring body and a device for activating for moving the cursor along the stem. The device for activating includes a mechanical transmission between a collar and a motor and the coupling between the cursor and the stem is such as to prevent rotation of the cursor about the stem.

Abstract: A device for lifting the bottom side wall (7b) of the tire (7) in a tire removing machine comprises a frame (10), an arm (16) rotatably associated with the frame (10) at a first end of it (16a) to rotate between an angular rest position and an angular working position. A supporting element (18) is connected to a second end (16b) of the arm (16) to support a bottom side wall (7b) of a tire (7) when the arm (16) is in the working position. The device also comprises an arm (16) rotation stop member (20) operatively positioned between the arm (16) and the frame (10) and able to be activated to prevent the arm (16) from turning relative to the frame (10) at least at the angular working position.

Abstract: A tyre-changing machine including a chuck having a self-centring group for blocking a rim of a wheel. The self-centring group includes blocking jaws of the rim arranged angularly equidistanced along a circumference centred on a rotation axis of the chuck, and links and a jack for moving for radially distancing and nearing the blocking jaws with respect to the rotation axis of the chuck to vary a diameter of the circumference on which the blocking jaws are arranged while maintaining an inclination of each blocking jaw constant with respect to the rotation axis of the chuck. Each blocking jaw includes a first portion that is connected to the links, and a second portion that is movably coupled to the first portion such as to be able to change an overall development of the blocking jaw in a radial direction with respect to the rotation axis of the chuck.

Abstract: A device for centring the rim of a wheel on the wheel-holder unit of a tyre changer machine comprises a first plate which can be positioned above the wheel-holder unit and coupled there for rotating integrally with it and equipped with a through opening which can be aligned with a central hole of the wheel-holder unit for allowing the insertion of a clamping rod in the hole through the opening, for locking the rim on the wheel-holder unit. The device also comprises a second plate forming a supporting surface (E) for the rim and equipped with its own through opening, the second plate being slidably positioned above the first plate and the device also comprises friction reduction means operatively interposed between the first plate and the second plate for facilitating their sliding relative to each other.

Abstract: A device and a method for checking an attitude of a vehicle (100), comprising at least a measuring instrument (3) for measuring at least one characteristic attitude parameter, in which the measuring instrument (3) is installed on board a self-propelled unit (2) which moves autonomously on the ground, in such a way as to follow variable trajectories.

Abstract: A tyre changing apparatus for removing a tyre from a corresponding rim of a wheel, comprising a frame having a supporting element configured to support the wheel rotatably about an axis of rotation, a bead breaker tool associated with the frame and movable towards and away from the supporting element along a movement direction, an actuator connected to the tool in order to move the latter along the movement direction and control means connected to the actuator. The control means comprise a processor which is set up to receive data representing a curve of the feed speed of the bead breaker tool towards the supporting element and which is programmed to identify a position of contact of the tool with the tyre as a function of a deceleration of the bead breaker tool.

Abstract: A method and a machine for balancing vehicle wheels with weights (18), the method comprising stages of: using a video camera (5, 6, 206) to frame a portion of a surface of a hub (101) of a wheel on which a weight (18) is to be applied, locating, in images of the hub (101) taken by the camera (5, 6, 206), at least a balancing plane (E1, E2) which is perpendicular to a rotation axis (A) of the wheel, piloting at least a pick-up device (8, 9, 209) such as to direct the at least a pick-up device (8, 9, 209) onto a point (P1, P2) of the hub (101) belonging to the balancing plane (E1, E2), detecting, by means of the pick-up device (8, 9, 209) characteristic geometric parameters of the hub (101) at the balancing plane (E1, E2), measuring an imbalance of the wheel, calculating, by means of an electronic calculator (4, 204) an entity of at least a weight (18) to be applied to the hub (101) at the balancing plane (E1, E2), and also calculating an angular position (T1, T2) of the weight (18) in the balancing plane (E1,

Abstract: Method for determining the angles and the characteristic parameters of the alignment of a vehicle situated at a measurement location comprising the following steps: equipping each of the wheels of the vehicle with a flat target carrying any design; determining the relationship between the position of the target and the wheel; arranging at least one pair of television cameras making a stereo system in a position such as to see at least the target associated with a wheel; creating a spatial reference system W to which the three-dimensional image of the target created by said at least one pair of television cameras refers; processing the three-dimensional image of the target collected by the two television cameras and determining the angular orientation and the position of the target in the spatial reference system W; using said position and angular orientation to determine the alignment of the wheel relative to the spatial reference system.

Abstract: An apparatus for supplying a person with information for statically adjusting wheels, or tyres, of a motor vehicle comprises: a data storage module defining a model of vehicle operation through a plurality of model parameters; a control module adapted to set a parameter for evaluating the on-road behaviour of the vehicle and to receive values of measurement parameter correlated with the on-road behaviour of the vehicle and measured on the vehicle wheels, in order to set values of model parameters defining a starting configuration of the model parameters; a processing module adapted to perform simulations of the on-road behaviour of the vehicle using said model, while varying the value of at least one of the model parameters in order to determine, according to the set evaluation parameter, a modified model parameter configuration corresponding to an on-road behaviour of the vehicle that is better than that corresponding to the starting configuration; a module for presenting to the person service information fo

Abstract: A device for lifting the bottom side wall (7b) of the tyre (7) in a tyre removing machine comprises a frame (10), an arm (16) rotatably associated with the frame (10) at a first end of it (16a) to rotate between an angular rest position and an angular working position. A supporting element (18) is connected to a second end (16b) of the arm (16) to support a bottom side wall (7b) of a tyre (7) when the arm (16) is in the working position. The device also comprises an arm (16) rotation stop member (20) operatively positioned between the arm (16) and the frame (10) and able to be activated to prevent the arm (16) from turning relative to the frame (10) at least at the angular working position.

Abstract: An apparatus (1) for mounting and removing a tyre (2) on and from a respective rim (3) comprises: a movement element (9) for moving a bead (2a) of the tyre (2) in order to insert/remove the bead (2a) into/from a respective groove in the rim (3); means (4) for supporting and moving the rim (3), designed to rotationally drive the rim about its longitudinal axis; characterized in that the means (4) for supporting and moving the rim (3) comprise a sensor (252) for measuring the mechanical strain applied to the supporting and movement means (4) as a result of the mechanical stress on the bead (2a) of the tyre (2) during mounting/removal of the latter on/from the rim (3).