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 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 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: 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).

Abstract: An apparatus (1) for checking the attitude of a vehicle (2) comprises: at least one target (3) defining a spatial reference system; a mobile unit (4) equipped with measuring means (10) for measuring the value of parameters representing the geometric characteristics of a wheel (9) of the vehicle (2) and its position relative to the mobile unit (4), and with means (11) for viewing the at least one target (3); a processor (13) connected to the measuring means (10) and to the viewing means (11) for calculating the position and orientation of the wheel (9) relative to the reference system and to obtain characteristic parameter values for the attitude of the vehicle (2); an interface (23) designed to make available in real time to the user driving the mobile unit (4) information relating to the position of the measuring means (10) relative to the wheel (9), the mobile unit (4) being able to be driven manually by one user to position it in proximity of (facing) the wheel (9).

Abstract: A tyre-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 motohsed 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 tyre on the wheel, characterised 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 too- 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: The blocking device (10) of a wheel rim (100) on a tyre-mounting machine is provided with a rotating support plate (5) having a central hole (6), and comprises a stem (11) for engaging with the rotating support plate (5), and a cursor (15) which is slidable on the stem (11) and which comprises a conical centring body (16) and means for activating for moving the cursor (15) along the stem (11). The means for activating comprise a mechanical transmission between a collar (20) and a motor (28) and the coupling between the cursor (15) and the stem (11) is such as to prevent rotation of the cursor (15) about the stem (11).

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: A bead release device (1) for tire removal machines (100), comprising: a movable arm (2) having a first end (3) removably associated with a base (4); a positionable bead release tool (6) associated with a second end (5) of the arm (2) distant from said first end (3), to release the tire bead of a wheel resting on a support surface (8); manipulator means (10) for moving said arm (2) within a plane of swivel of the arm (2) lying perpendicular to the base (4); said first end (3) of the arm (2) being associated with the base (4) by means of a locking and release system (12) enabling said first end (3) of the arm (2) to undergo movement, said movement rotating said plane of swivel of the arm (2) about an axis of rotation lying within said plane of swivel and positioned substantially perpendicular to said base (4).

Abstract: A bead release device (1) for tire removal machines (100), comprising: a movable arm (2) having a first end (3) removably associated with a base (4); a positionable bead release tool (6) associated with a second end (5) of the arm (2) distant from said first end (3), to release the tire bead of a wheel resting on a support surface (8); manipulator means (10) for moving said arm (2) within a plane of swivel of the arm (2) lying perpendicular to the base (4); said first end (3) of the arm (2) being associated with the base (4) by means of a locking and release system (12) enabling said first end (3) of the arm (2) to undergo movement, said movement rotating said plane of swivel of the arm (2) about an axis of rotation lying within said plane of swivel and positioned substantially perpendicular to said base (4).