Abstract: A tire changer machine includes a control system that monitors a rotational position of a sensitive feature associated with a wheel rim and tire during a tire change procedure. The system adjusts operation of the machine to avoid damaging the sensitive feature, which may be a valve stem or a wheel sensor such as a tire pressure monitoring system (TPMS) sensor.

Abstract: A working tool orienting device in a tire demounting machine includes a base which supports a rotary apparatus, rotating about an axis of rotation and designed to bear and lock wheel rims thereon; a column rising from the base and having an end secured to the base and an end opposite thereto facing upward; a moving arm, which is moved between positions close to and away from the rotary apparatus; a support arrangement for supporting working tools, which is coupled with the upward facing end, and joint means interposed between the support arrangement and the upward facing end, which are configured to make the support arrangement movable relative to the arm.

Abstract: A wheel servicing machine includes an inflation apparatus for sealing or seating a tire bead on a wheel rim. The inflation apparatus includes a nozzle with an orifice operable to emit a jet of compressed gas toward the interface of the tire bead and wheel rim when the wheel rim is mounted on a wheel holder. The nozzle is positioned such that the jet of compressed gas may interchangeably engage the tire and wheel rim interfaces on different-sized wheel and tire combinations when placed on the wheel holder, without repositioning the nozzle. The nozzle may be used with two or more different-sized wheel rim and tire combinations without changing the nozzle location. The wheel servicing machine may also include a tire changing machine, and the nozzle may be fixed to a base on the tire changing machine.

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: The present invention relates to a device for dismounting a tired wheel having a wheel rim (W) and a tire (T) mounted on the wheel rim (W), comprising: a support member (2), a bill or lever-shaped dismounting tool (4) having one end (4a) thereof articulated to the support member (2), and the other work end (4b) thereof substantially hook-shaped, and holding means for holding the tool (4) in an engagement and extraction position, the holding means comprising an elastically loaded pin (7).

Abstract: A tire changing tool head, or a mount/demount head for a tire changing machine, includes a head body and a tongue member. The tongue member is pivotally attached to the head body at a pivoting joint. The tongue member includes a tongue shoulder and a tongue blade for engaging a tire bead during tire installation. The tongue member includes a non-metal material, such as a polymer, for preventing wheel rim damage in some embodiments. The head body includes a bead lifter tool protruding therefrom. In some embodiments, the head body and bead lifter tool include a metal material.

Abstract: Tire changing machines having force feedback and position control systems are described that may be used to control operation of one or more components of the machine during a tire change procedure. Information may be provided to a machine operator concerning detected operating conditions during the procedure. Excessive or abnormal forces or component positions can be detected and corrective action may be taken at any point in the tire change procedure. Successful component position profiles may be saved for future recall and execution by the machine.

Abstract: A machine for fitting and removing a tire (1) from a rim (2) of a wheel (3). The machine comprises a frame (10), a rotating table (11) for attaching the wheel to and for rotating the rim about its axis (Y), and a tool for fitting and/or removing the tire from the rim. The machine also comprises a lever (12) to which a pressure element (13) is attached in order to push the bead (6) of the tire toward a circumferential recess of the rim. The lever (12) is connected to the frame (10) and comprises a first articulation in order to bring a pressure element (13) closer to or further from the axis (Y), and a second articulation in order to bring the pressure element (13) closer to or further from a central plane (PC) perpendicular to the axis (Y) and passing through the center (D) of the rim (2).

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: The invention concerns vehicle wheel service machines, in particular automatic tire changers, having a wheel or rim mounting device (2) which is mounted rotatably about an axis (11) and to which a wheel (1) is to be fixed. The vehicle wheel service machine comprises first and second detectors (6, 7) and a controller to detect the rotational speeds of the rim mounting device (2) and the wheel (1) respectively. Furthermore, a method for controlling the rotational speed of the rim mounting device (2) is provided. If the detected rotational speeds are different, slipping is determined and eliminated by approximating the rotational speed of the rim mounting device (2) to that of the wheel (1). A rim mounting device (2) can comprise a rim mounting plate (23) having a rim support surface (24) with a high-friction lining adapted to increase friction between the rim mounting plate (23) and the wheel (1).

Abstract: A swing arm style tire changer includes a base (1), a workbench (2), an upright stem (12), a swing arm (10) and a dismounting head (14). The swing arm (10) is attached to the upright stem (12) and is capable of rotating horizontally. The swing arm style tire changer also includes a first helper arm (11) connected to the swing arm (10); under said first helper arm (11) and connected thereto is a tire-pressing wheel (15) that may be moved vertically upwards and downwards. The first helper arm (11) is attached to the swing arm (10) and is capable of rotating horizontally, and a pneumatic cylinder (8) is arranged on said first helper arm (11). The swing arm style tire changer also includes a second helper arm (7).

Abstract: Machine for fitting and removing a tire (1) from a rim (2) of a wheel (3). The machine comprises a frame (10), a rotating table (11) in order to attach the wheel thereto by its rim and to rotate the rim about its axis (Y), and a tool (12) for fitting and/or removing the tire from the rim. The tool (12) is connected to the frame (10) by means of a movable structure (20) capable of moving the tool (12) horizontally and vertically to its working position situated close to the proximal edge (4) of the rim (2) when the wheel (3) is mounted on the rotating table (11). The movable structure (20) comprises four arms (A, B, C, D) connected together in twos by means of four pivots (p, q, r, s) the axes (X1, X2, X3, X4) of which are parallel with one another. One of the arms (A) is secured to the frame (10) and the tool (12) is connected to one of the other arms (B, C, D).

Abstract: A tool for tire uninstalling and installing machines includes an element for connection to a movable bearing member of the tire uninstalling and installing machine, which has a longitudinal axis, and a round contact element which is freely and rotatably supported by said connection member about a rotation axis and which has an external outline in contact with a contact portion of a side of a tire installed to a rim, the round element having a flared contacting and lifting surface suitable to contact and lift the tire from the rim, which has a base facing toward the rim and defining a first opposed vertex, touching means extending from the base toward the rim for touching a portion of the rim.

Abstract: The present invention relates to a bead breaker group for bead breaking a tire of a tired wheel equipped with rim with bead-engagement flanges, the bead breaker group comprising a support (2, 5) and at least one bead breaker tool (3) mounted for rotation around a pin (4) borne by the support (2, 5), the bead breaker tool being substantially flat and comprising: at least one portion configured as an abutment front (3b, 3d, 3f) against a flange of a rim of a tired wheel to be bead broken; and at least one portion having curved peripheral edge substantially coaxial with the pin (4) and intended to act as an engagement-penetration zone (3a, 3c, 3e) between the flange of a rim and the bead of a tire to be bead broken, the distance between the abutment front (3b, 3d, 3f) and the pin (4) being less than the distance between the pin (4) and the at least one engagement-penetration zone (3a, 3c, 3e).

Abstract: The accessory (1) for tyre-changing machines, particularly for the locking of wheel rims for vehicles, includes at least a supporting structure (2) associable in a removable way with a revolving portion (B) of a gripping device for gripping the hub of the rim on a tyre-changing machine (F), at least two gripping jaws (3) of the rim (C) of a wheel (D) associated with the supporting structure (2) and moving along a reciprocal approach and away direction between a position of maximum opening, wherein the gripping jaws (3) are arranged at a preset maximum distance, and a position of minimum opening, wherein the gripping jaws (3) are arranged at a preset minimum distance, and at least a movement apparatus (4) associated with the supporting structure (2) and with the gripping jaws (3), suitable for moving the gripping jaws (3) between the position of maximum opening and the position of minimum opening.

Abstract: An operating head for removing and fitting vehicle wheel tyres includes a supporting structure associable with a tyre-changing machine, a reference element associated with the structure and positionable near a section of the edge of the rim of a wheel fixed on the machine, during the removal operation of a tyre from the rim, a removal tool having a free extremity substantially hook-shaped, associated with the structure and movable between a fastening position, wherein the tool extends from the structure beyond the reference element to fit between the rim edge and the tyre and position the free extremity below the tyre bead, and an extraction position, wherein the free extremity is arranged in correspondence to the reference element to extract the tyre bead above the rim edge, and a device for positioning the tool in a disengagement position, wherein the tool is moved away with respect to the reference element.

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: The unit for beading tires in tire changing machines or the like includes a bearing structure associable with a tire changing machine or the like, a supporting element associated with the bearing structure and moving with respect to the rim of a wheel mounted on the tire changing machine, a first actuator arrangement for moving the supporting element on the bearing structure, a beading tool associated with a free extremity of the supporting element, and a second actuator arrangement and a transformation arrangement for transforming the movement generated by the second actuator arrangement in the translation movement of the beading tool along a substantially curvilinear trajectory between a first extreme position, in which the beading tool is substantially retracted with respect to the rim, and a second extreme position, in which the beading tool is substantially closer with respect to the rim.

Abstract: Tire changing machines with automated positioning and control of bead pressing devices are described to maintain a tire bead in a desired location on the wheel rim during tire mount and de-mount procedures utilizing a tire bead locating tool. Sequenced motion of the bead pressing devices are also described that ensure optimal tire change operations. Methodology is also disclosed.

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 changer which comprises a mounting device (18) for receiving at least a wheel rim of a wheel/tyre assembly, wherein the mounting device (18) has an axis (S), a roller (26) which is able to contact a peripheral surface of the wheel/tyre assembly (14) and to apply a predetermined force to the peripheral surface of the wheel/tyre assembly (14), a control device (32) for controlling the predetermined force applied by the during a rotation of the wheel/tyre assembly about the axis (S) of the mounting device and a sensor device (30) for measuring force variations acting between the peripheral surface of the wheel/tyre assembly and the roller (26), wherein supports (20, 22) of the roller (26) and of the mounting device (18) are designed for a relative movement of the roller (26) and of the mounting device (18) towards each other along a straight line to apply the predetermined force to the peripheral surface of the wheel/tyre assembly (14).

Abstract: A method of and an apparatus for fitting or removing a tire 4 of a vehicle wheel 1, in which at least one fitting or removal tool 5 is guided parallel to the axis 11 of the vehicle wheel 1 and the vehicle wheel 1 is moved controllably perpendicularly to its wheel axis 11 in dependence on a rim contour along which the fitting or removal tool 5 is to be guided at a small spacing.

Abstract: An automatic bead seating assembly to automatically move a bead seating assembly or manifold into contact with a wheel or tire assembly and cause the bead to be seated. The assembly comprises an extendable and retractable seater arm attached at one end to a base, with a bead seater or manifold assembly attached or mounted at the other end. The bead seater or manifold assembly may comprises a reservoir filled with compressed air or other gas, and a hose or pipe for movement of the air or gas from the reservoir to a nozzle of an appropriate size and shape to fit a particular wheel or tire. The seater arm extends forward until the bead seater or manifold assembly comes into contact with the wheel or tire assembly, whereupon air or gas from the manifold reservoir is released, causing the tire bead to be seated. The seater arm then retracts.

Abstract: A machine for fitting and removing wheel tires for vehicles includes a bearing structure, at least an apparatus for fastening and rotating the rim of a wheel for vehicles, a tool-carrier unit associated mobile with the bearing structure and having a removal tool, at least an adjustment apparatus suitable for adjusting the position of the tool-carrier unit with respect to the bearing structure, to place the tool-carrier unit into a work configuration wherein the removal tool is arranged in proximity of the apparatus for fastening and rotating, at least a memorisation device for memorising the position of the tool-carrier unit in the work configuration and at least a positioning device for positioning the tool-carrier unit with respect to the bearing structure between the work configuration and a configuration of minimum overall dimensions, wherein the tool-carrier unit is arranged in proximity of the bearing structure.

Abstract: Methods and machines for changing tires on a wheel rim are disclosed. The machine includes a drive shaft having a drive axis that can positioned at different angles for convenience of the machine operator to mount a variety of differently-sized wheel rims to the drive shaft without undue lifting and handling of the wheel rims.

Abstract: To mount a pneumatic tire (R) on a drop base rim (F), the pneumatic tire (R) is gripped by a gripper (2), which is arranged on a handling device (1), on the tread, and the first tire bead thereof is slipped over a flange of the rim (F) by controlled movement of the gripper (2). Subsequently, the gripper (2) is released from the pneumatic tire (R), and the tire (R) is moved into an initial position for mounting the second tire bead by adjustment members (33, 34). Mounting tools (27, 28, 29) arranged on the gripper (2) are guided along on the rim (F) by rotating the gripper (2) about the axis of the rim (F), resulting in the second tire bead being slipped over the rim (F).

Abstract: A machine for fitting and removing the wheel tires of vehicles comprises a base frame with a turntable for gripping and rotating a rim of wheels for vehicles with at least a retention flange and a bead of a tire to be fitted on, or removed from, the rim; an operating head is operatively associated with the base frame, and is positionable near the retention flange. The operating head includes a guiding nut for the bead; a guiding wing for the bead; a grip tool for gripping the bead which is arranged between the guiding nut and the guiding wing, and includes a shaped active extremity with an oblique profile suitable for cooperating with the guiding nut for guiding the bead. Actuator assembly moves the grip tool between a first guiding configuration of the bead, in which the active extremity is arranged near the guiding nut and near the guiding wing, and a second grip configuration of the bead.

Abstract: The tire-changing machine for fitting and removing vehicle wheels comprises a base frame for supporting gripping and rotating means for a vehicle wheel with a rim and a tire to be fitted/removed, an operating head operatively associated with the base frame and having at least a fitting/removal tool, operating means or actuators suitable for positioning the operating head in a work configuration in which the tool is arranged in contact against the tire substantially near the flange of the rim. The actuators are responsive to a processing and control unit which positions the operating head in the work configuration, so that the fitting/removal tools can fit, and/or remove, a tire from the rim of a vehicle wheel.

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 wheel servicing machine provides a rotatable shaft having a retractable rod slidably disposed in a center bore of the rotatable shaft, wherein the retractable rod is longitudinally moveable relative to the shaft. A rotatable locking member is disposed on the distal end of the retractable rod. The locking member includes one or more mounting studs protruding radially therefrom for engaging a centering cone or a wheel clamp. A support arm including a travel stage protrudes from the base. A tool adapted for engaging a sidewall of a tire is attached to the support arm. A second stage including a second tool configured for engaging the opposite sidewall of the tire may also extend from the base. A platform assembly having one or more spring-loaded rollers is attached to the base in some embodiments. A longitudinally moveable travel arm includes a jointed auxiliary arm extending therefrom. A wheel clamp includes a plurality of arms, wherein at least one arm is moveable relative to at least one other arm.

Abstract: The present invention relates to a demounting device comprising a support member translatable along a movement axis (y-y), drive means for the support member, a tool-holder arm (3) borne by the support member (2), an abutment element (4) and a hook-like extraction member (5) both supported by the tool-holder arm (3), the abutment element (4) having a substantially flat work surface (4a), whereas the hook-like extraction member (5) is suitable for being moved in a substantially transverse direction with respect to the rotation axis (x-x) of a rim (W).

Abstract: An apparatus and a method for synchronously moving first and second fitting or removal tools (300, 400) of a tyre fitting or removing apparatus. When an operator moves the first fitting or removal tool (300) in a substantially radial direction with respect to a longitudinal axis (L) of a post (210) supporting the first and second fitting or removal tools (300, 400), a synchronization unit receives first and second input signals of first and second sensors (320, 420) coupled to the first and second fitting or removal tools (300, 400) and indicating a radial movement or position of the tools (300, 400). The synchronization unit generates, based on a comparison of the first and second input signals, an output signal causing an actuator (450) to move the second fitting or removal tool (400) synchronous to the first fitting or removal tool (300) in said substantially radial direction.

Abstract: This application provides a mechanism for the attachment of a tire to a unique style of car rim commonly used on, but not limited to model cars. The device consists of a base plate with a spindle for locating the tire and rim. A spring loaded spreader arm pulls the tire away from the rim creating a cavity where adhesive is placed on an upper and lower rib on the surface of the rim and on an upper and lower flat mounting surface or mating groove on the internal surface of the tire as the tire is rotated manually or rotated by means of a variable speed motor housed within the unit. The device provides a means for the process to be accomplished on both inside and outside edges of the tire and wheel rim assembly if desired.

Abstract: A working tool orienting device in a tire demounting machine includes a base which supports a rotary apparatus, rotating about an axis of rotation and designed to bear and lock wheel rims thereon; a column rising from the base and having an end secured to the base and an end opposite thereto facing upward; a moving arm, which is moved between positions close to and away from the rotary apparatus; a support arrangement for supporting working tools, which is coupled with the upward facing end, and joint means interposed between the support arrangement and the upward facing end, which are configured to make the support arrangement movable relative to the arm.

Abstract: An apparatus for tire-changing machines includes a base having a face turned upward, a supporting and locking platform for wheels, mounted rotating on such face around a rotation axis and defining a supporting and locking table, support means of tools extending upward from the base, the support means being movable along the base in a direction of movement perpendicular to the rotation axis, so as to move closer or away from the rotation axis.

Abstract: The invention concerns a method for mounting a tyre on a rim to form a motor vehicle wheel and for demounting a tyre from a rim with at least one fitting or removal tool, wherein images of the wheel (14) or the rim (12) are created by a vision system (21) and corresponding signals are sent to a computer (18; 28), wherein commands to move the at least one fitting or removal tool (16) are sent to the at least one fitting or removal tool (16) by the computer (18; 30), wherein the signals of the vision system (21) and the commands sent to the at least one fitting or removal tool (16) are correlated to define the position of the at least one fitting or removal tool relative to the rim contour and wherein the movement of the at least one fitting or removal tool (16) is guided in dependence on the performed correlation without contacting the rim surface. Furthermore, the invention concerns an apparatus for mounting a tyre on a rim to form a motor vehicle wheel and for demounting a tyre from a rim.

Abstract: This application provides a mechanism for the attachment of a tire to a unique style of car rim commonly used on, but not limited to model cars. The device consists of a base plate with a spindle for locating the tire and rim. A spring loaded spreader arm pulls the tire away from the rim creating a cavity where adhesive is placed on an upper and lower rib on the surface of the rim and on an upper and lower flat mounting surface or mating groove on the internal surface of the tire as the tire is rotated manually or rotated by means of a variable speed motor housed within the unit. The device provides a means for the process to be accomplished on both inside and outside edges of the tire and wheel rim assembly if desired.

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: A machine for fitting and removing a tire (1) from a rim (2) of a wheel (3). The machine comprises a frame (10), a rotating table (11) for attaching the wheel to and for rotating the rim about its axis (Y), and a tool for fitting and/or removing the tire from the rim. The machine also comprises a lever (12) to which a pressure element (13) is attached in order to push the bead (6) of the tire toward a circumferential recess of the rim. The lever (12) is connected to the frame (10) and comprises a first articulation in order to bring a pressure element (13) closer to or further from the axis (Y), and a second articulation in order to bring the pressure element (13) closer to or further from a central plane (PC) perpendicular to the axis (Y) and passing through the center (D) of the rim (2).

Abstract: Machine for fitting and removing a tire (1) from a rim (2) of a wheel (3). The machine comprises a frame (10), a rotating table (11) in order to attach the wheel thereto by its rim and to rotate the rim about its axis (Y), and a tool (12) for fitting and/or removing the tire from the rim. The tool (12) is connected to the frame (10) by means of a movable structure (20) capable of moving the tool (12) horizontally and vertically to its working position situated close to the proximal edge (4) of the rim (2) when the wheel (3) is mounted on the rotating table (11). The movable structure (20) comprises four arms (A, B, C, D) connected together in twos by means of four pivots (p, q, r, s) the axes (X1, X2, X3, X4) of which are parallel with one another. One of the arms (A) is secured to the frame (10) and the tool (12) is connected to one of the other arms (B, C, D).

Abstract: A machine for fitting and removing wheel tires for vehicles includes a supporting structure of a clamping and rotating device for clamping and rotating the wheel rim and an operating head for fitting/removing a tire onto/from the rim. The operating head has a removal tool associated with a first actuator and turnable between a first clamping position in which the tool is tilted towards the rotation axis of the rim, and a second entrainment position in which the tool extends along a direction substantially parallel to the rotation axis of the rim. The operating unit includes an arrangement for transforming the movement generated by a second actuator into the sideways movement of the operating head along a curved direction and near and away to a section of the annular flange of the rim.

Abstract: The unit for beading tires in tire changing machines or the like includes a bearing structure associable with a tire changing machine or the like, a supporting element associated with the bearing structure and moving with respect to the rim of a wheel mounted on the tire changing machine, a first actuator arrangement for moving the supporting element on the bearing structure, a beading tool associated with a free extremity of the supporting element, and a second actuator arrangement and a transformation arrangement for transforming the movement generated by the second actuator arrangement in the translation movement of the beading tool along a substantially curvilinear trajectory between a first extreme position, in which the beading tool is substantially retracted with respect to the rim, and a second extreme position, in which the beading tool is substantially closer with respect to the rim.

Abstract: A tire changing machine for changing difficult to mount tires is provided. The machine utilizes various implements configured about the machine's chassis in such a way that they do not interfere with each other's operation. In this way, the machine enables an operator to effectively change various tires.

Abstract: A machine for fitting and removing wheel tires for vehicles includes a bearing structure that supports a clamping and rotating device of the wheel rim for vehicles around a substantially vertical rotation axis, at least one tool supported by the bearing structure and suitable for the fitting/removal of a tire onto/from the rim, and a lifting arrangement adapted to position and remove the wheel onto/from the clamping and rotating device. The lifting arrangement includes a first framework that defines a substantially horizontal support surface for the wheel and is associated with the bearing structure and mobile between a lowered position in which it surrounds the clamping and rotating device at least partially and a raised position in which it is substantially higher than the clamping and rotating device, a second framework with a resting portion for the wheel and which is associated with and rotates along the bearing structure, and a moving device for the first and second frameworks.

Abstract: The actuator unit includes a hollow body defining a sliding chamber within; a piston mounted sliding inside said sliding chamber such to provide an actuation force and operated by a fluid fed from the outside; a body having one transmission end for the transmission of said actuation force prolonged outside said sliding chamber and one hooking end hooked to said piston, amplification means being interposed between said body and said piston to amplify said actuation force so as to obtain an amplified actuation force.

Abstract: A machine for fitting and removing the wheel tires of vehicles comprises a base frame with a turntable for gripping and rotating a rim of wheels for vehicles with at least a retention flange and a bead of a tire to be fitted on, or removed from, the rim; an operating head is operatively associated with the base frame, and is positionable near the retention flange. The operating head includes a guiding nut for the bead; a guiding wing for the bead; a grip tool for gripping the bead which is arranged between the guiding nut and the guiding wing, and includes a shaped active extremity with an oblique profile suitable for cooperating with the guiding nut for guiding the bead. Actuator assembly moves the grip tool between a first guiding configuration of the bead, in which the active extremity is arranged near the guiding nut and near the guiding wing, and a second grip configuration of the bead.

Abstract: An apparatus for fitting or removing tyre to or from a rim 1 of a vehicle wheel comprising a hooked tool 2 which is controlledly moved in a pivotal connection location 4 along a sliding guide 11 and in a second pivotal connection location connected to a link lever, on a tool holder 5, wherein the control movement of a rod-shaped control portion 10 is transmitted to the tool 2 by way of the gear transmission 9.

Abstract: Tire changer apparatus having a horizontally extended frame; a wheel holder device provided on said frame and designed to support a tired wheel (14) with horizontally positioned wheel axis; a carriage supported movably along the frame; a tool holder provided on the carriage; at least one tire changing tool for mounting the tire onto the wheel and/or for demounting the tire from the wheel; and actuator means to move the tool holder on the carriage to operating positions in which the tire changing tool is able to act on the tire for mounting or demounting on both sides of the tire, wherein during the mounting operation or demounting operation the carriage is driven by an actuator device along the frame; the tool holder is movably supported on a tool holder carriage which is movably supported on said carriage and driven by an additional actuator device provided on said carriage, and said additional actuator device is in drive connection with the tool holder carriage via a mechanical speed-increasing transmiss

Abstract: An installation tool for mounting a tire to a wheel, the tire and wheel defining a central axis, the tire having opposing annular sides and two circumferential beads that define an opening through the opposing annular sides and the wheel having shoulders for receiving the circumferential bead, the installation tool comprising a shoe having an upper axial side, a lower axial side and an outer radial side, wherein the shoe includes a beveled transition zone that extends across at least a part of at least one of the upper axial side and the outer radial side, the beveled transition zone defining a bead drawing surface that mounts the bead of the tire to the shoulder of the wheel when rotatable movement is introduced between the tire and the shoe.

Abstract: The tire-changing machine for fitting and removing vehicle wheels comprises a base frame for supporting gripping and rotating means for a vehicle wheel with a rim and a tire to be fitted/removed, an operating head operatively associated with the base frame and having at least a fitting/removal tool, operating means or actuators suitable for positioning the operating head in a work configuration in which the tool is arranged in contact against the tire substantially near the flange of the rim. The actuators are responsive to a processing and control unit which positions the operating head in the work configuration, so that the fitting/removal tools can fit, and/or remove, a tire from the rim of a vehicle wheel.