Abstract: A tire mounting/dismounting machine (1), comprising a base (2), rotating means (3) for supporting and blocking a wheel (100) and a column (4) associated to the base (2), a first arm (7) and a second arm (8) being slidably mounted on the column (4), an upper first debeader tool (13) and a lower second debeader tool (9) being mounted respective at free ends of each arm (7, 8). Mounted at the free end of the first arm (7) is a head (10) which is rotatable with respect to an axis (Y), from which head a mounting tool (11), a dismounting tool (12) and the first debeader tool (13) project, the tools (11, 12, 13) being mounted in reciprocal positions such that the tools (11, 12, 13) do not interfere with one another and such that by rotating the head (10) with respect to the first arm (7) a same work position can be reached for each of the tools (11, 12, 13).

Abstract: A tire-wheel assembly adjuster is disclosed. The tire-wheel assembly comprises a working assembly adapted to be adjustable along an axis relative a workpiece and a sub-assembly coupled to the working assembly that is adapted to be radially adjustable relative the axis. A method for assembling a tire-wheel assembly is also disclosed. The method includes the steps of providing a tire in an un-mounted state relative a wheel to a tire-wheel assembly adjuster; moving a sub-assembly connected to a working assembly in a radial direction relative an axis; moving the working assembly in a first direction about the axis toward the tire and wheel; and causing a wheel adjuster extending from the sub-assembly to circumferentially seat a bead of the tire into a bead seat of the wheel.

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: A method of and an apparatus for fitting or removing a tyre 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: A bead pressing device of a tire mounting/dismounting apparatus is provided which separates a tire bead from a wheel rim without causing damage to the tire and enhances the efficiency of the work of exchanging the tire. A bead roller and a roller moving section are disposed on one end of a bead pressing arm that is displaced in a direction close to a rotational axis of a turntable and in a direction away from the rotational axis and which is displaced in an upward direction and in a downward direction. While the bead pressing arm is moved down, the bead roller presses a tire bead and the roller moving section displaces the bead roller in a direction close to a wheel rim to press the tire bead to the wheel drop, thereby separating the tire bead from the wheel rim.

Abstract: The invention provides a tire mounter capable of preventing a tire from being damaged by minimizing a contact of a bead part of the tire relative to a wheel. The tire mounter, for receiving the wheel on which the tire is temporarily fixed aslant and mounting the tire on the wheel from a temporarily fixed state when mounting the tire, comprises a bead guide plate having an arc-shaped plate piece, the arc-shaped plate piece having a bottom surface side positioned on an upper surface side of the wheel, and an outer peripheral arc-shaped part positioned on an outer peripheral surface of the wheel. The bead guide plate is turned toward a bead part of the tire at a non-mounting side of the tire while being interlocked with a turning of a tire bead press roller, and thereby the bead guide plate turns ahead of the tire bead press roller so that the bead part of the tire at the non-mounting side of the tire slides on a surface side of the bead guide plate to be mounted on the wheel.

Abstract: A machine for assembling and disassembling a tyre fitted with a rigid inner run-flat ring, wherein the machine is a tyre removing machine having a turntable; a tool column located alongside the turntable and having a guide located alongside and parallel to the turntable; a slide mounted to run along the guide; and an actuating device for moving the slide along the guide; the tyre removing machine having tooling defined by a first tool fitted to the turntable to support the tyre and the rigid ring, and by a second tool fitted to the slide and movable with the slide along the tool column to engage the rigid ring and move the rigid ring with respect to the tyre.

Abstract: A tire changer apparatus comprises a rotor operative to support a wheel rim. A toolhead is movable into engagement with the wheel rim during a tire changing operation. A gas distribution network is provided for routing compressed gas to pneumatic mechanisms in the tire changing apparatus. An oil injector has an outlet in fluid communication with the gas distribution network. The oil injector is operative to introduce lubricating oil into the gas distribution network. Preferably, the oil injector may include a plunger which reciprocates to inject the lubricating oil. For example, the oil injector may be operative to introduce the lubricating oil into the gas distribution network when the plunger reciprocates a selected number of times. The plunger may be moved by a foot pedal on the tire changer apparatus.

Abstract: The machine for fitting and removing wheel tires for vehicles comprises a supporting structure of a clamping and rotating device for clamping and rotating the wheel rim for vehicles, at least an operating unit associated moving with the supporting structure and having at least an operating head for fitting/removing a tire onto/from the rim, in which the operating head has a removal tool associated with a first actuator and turnable between a first clamping position of a section of the bead of the tire, in which the tool is tilted towards the rotation axis of the rim, and a second entrainment position of the bead section, in which the tool extends along a direction substantially parallel to the rotation axis of the rim.

Abstract: An apparatus of the present invention is designed for assembling tires having a pair of spaced beads of various diameters and configurations with the respective wheels having a pair of seats moveable by a conveyor along an assembly path. A mounter station is disposed on the conveyor and presenting an alignment axis. A sealing mechanism is cooperable with the mounter station and is moveable around the alignment axis by a drive unit connected thereto for forcing at least one of the beads of the tire between the seats of the wheel. The apparatus accommodates a wide variety of wheel and tire sizes, is not complex and bulky, and reduces number of parts required to form the apparatus.

Abstract: The present invention relates to an improved device for tire disassembling machines in general, designed to simplify tire assembling on rim without excessive stretching.

Abstract: A machine for removing and fitting tires and wheel rims for vehicles includes a supporting structure of clamping and rotating device for clamping and rotating the rim of a vehicle wheel around a rotation axis, at least one operating unit which is movably associated with the supporting structure and which includes at least one operating head for fitting and removing a tire onto/from the rim provided with a pushing body for pushing at least one portion of the side surface of the tire and with a grip tool for gripping at least one section of the tire bead, an actuator element for operating the sideways movement of the operating head with respect to the structure and guide means of such sideways movement along a substantially curvilinear direction between a first position, in which the operating head is substantially close to the clamping and rotating device and a second position, in which the operating head is substantially moved away from the clamping and rotating device.

Abstract: A machine for fitting and removing vehicle wheels includes a base frame, a clamping and rotating device for clamping and rotating the rim of a vehicle wheel around a horizontal rotation axis, which are fitted on the base frame by interposing straight first guide means along a vertical sliding direction and at least one operating arm which is associated with the base frame along an oblique direction with respect to the position plane of the rotation axis and of the sliding direction and which has a work tool for fitting and removing a tire onto and from the rim. The operating arm is positionable in an operating position in which it is arranged at right angles and incidental to the rotation axis and the work tool is positioned near the circumferential edge of the rim.

Abstract: A tire changing machine comprises a chassis and a rotatable turntable configured to retain a wheel rim. The machine further includes a tower carrying a mount/demount head movable toward and away from the wheel rim. A saddle for retaining a tire in a generally upright configuration is also provided. In addition, the machines includes an ovalation mechanism operative to press on a tread portion of a tire mounted in the saddle so as to ovalate the tire.

Abstract: An adjustable tire mounting apparatus can be universally used to assemble various types of wheels and tires to each other. The apparatus includes a cone restricting movement of a wheel, a housing rotatable about the cone, a horizontal distance adjusting unit that adjusts a position of a horizontal movable body with respect to the housing in the radial direction, a vertical distance adjusting unit that adjusts a position of a vertical movable body with respect to the horizontal movable body in the vertical direction, a pressure roller disposed on the vertical movable body that presses a sidewall of a tire, expansion rollers that are disposed on the horizontal movable body and guide the bead of the tire to enter a rim of the wheel, and a control unit that controls operation of the horizontal and vertical distance adjusting units, depending on the types of the tire and wheel.

Abstract: An apparatus for protecting the exterior or polished surface of wheels as tires are removed and placed on the wheel. The apparatus includes a substantially flat base having a plurality of stanchions extending out from the base. Each stanchion has a collar positioned adjacent to the base that includes a diameter greater than the stanchion. The stanchions are sized to fit through the bolt holes of the wheel in order to generally align each stanchion with one of those holes. Each collar is sized to be preferably slightly larger than the average bolt, or lug, hole on the wheel. Additionally, each collar is sized to cover substantially the same area as the lug nut or nut that normally attaches the wheels to the vehicle upon which they are used.

Abstract: A tyre mounting/dismounting machine (1), comprising a base (2), rotating means (3) for supporting and blocking a wheel (100) and a column (4) associated to the base (2), a first arm (7) and a second arm (8) being slidably mounted on the column (4), an upper first debeader tool (13) and a lower second debeader tool (9) being mounted respective at free ends of each arm (7, 8). Mounted at the free end of the first arm (7) is a head (10) which is rotatable with respect to an axis (Y), from which head a mounting tool (11), a dismounting tool (12) and the first debeader tool (13) project, the tools (11, 12, 13) being mounted in reciprocal positions such that the tools (11, 12, 13) do not interfere with one another and such that by rotating the head (10) with respect to the first arm (7) a same work position can be reached for each of the tools (11, 12, 13).

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 method for dismounting self-supporting tires (1) from the relative rim (2), said self-supporting tires comprising an outer cover (10) that contains a rigid auxiliary ring (16) provided with two flexible sidewalls (18, 19).

Abstract: A system for providing at least a partially mounted tire and wheel assembly is disclosed. The system includes the steps of using a prime mover to bring a tire and wheel together and using the primer mover to work on at least one of the tire or the wheel to mount the tire and the wheel together, wherein the work performed by the prime mover is the only positive work introduced into the tire/wheel system.

Abstract: An adjustable tire mounting apparatus can be universally used to assemble various types of wheels and tires to each other. The apparatus includes a cone restricting movement of a wheel, a housing rotatable about the cone, a horizontal distance adjusting unit that adjusts a position of a horizontal movable body with respect to the housing in the radial direction, a vertical distance adjusting unit that adjusts a position of a vertical movable body with respect to the horizontal movable body in the vertical direction, a pressure roller disposed on the vertical movable body that presses a sidewall of a tire, expansion rollers that are disposed on the horizontal movable body and guide the bead of the tire to enter a rim of the wheel, and a control unit that controls operation of the horizontal and vertical distance adjusting units, depending on the types of the tire and wheel.

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: The machine for fitting and removing vehicle wheels comprises a base frame, a clamping and rotating device for clamping and rotating the rim of a vehicle wheel around a horizontal rotation axis, which are fitted on the base frame by interposing straight first guide means along a vertical sliding direction and at least one operating arm which is associable with the base frame along an oblique direction with respect to the position plane of the rotation axis and of the sliding direction and which has a work tool for fitting and removing a tyre onto and from the rim. The operating arm is positionable in an operating configuration in which it is arranged at right angles and incidental to the rotation axis and the work tool is positioned near the circumferential edge of the rim.

Abstract: The present invention relates to an improved device for tyre disassembling machines in general, designed to simplify tyre assembling on rim without excessive stretching.

Abstract: The machine for removing and fitting tyres and wheel rims for vehicles comprises a supporting structure of clamping and rotating device for clamping and rotating the rim of a vehicle wheel around a rotation axis, at least one operating unit which is associated moving with the supporting structure and which comprises at least one operating head for fitting and removing a tyre onto/from the rim provided with a pushing body for pushing at least one portion of the side surface of the tyre and with a grip tool for gripping at least one section of the tyre bead, an actuator element for operating the sideways movement of the operating head with respect to the structure and guide means of such sideways movement along a substantially curvilinear direction between a first configuration, in which the operating head is substantially close to the clamping and rotating device and a second configuration, in which the operating head is substantially moved away from the clamping and rotating device.

Abstract: An apparatus for the mounting/dismounting of tires on wheels. A bead breaker module with elongated pressure clamps pivotally moved by an actuator such that the elongated pressure clamps extend from the perimeter of a tire to a position proximal the tire side and bead; the actuator urges the elongated pressure clamps together to disengage the bead from the rim. A tire mount/dismount module having a base plate affixed to a wheel; a receiver and drive assembly rotatably affixed to the base plate with a receiver receiving a bead rolling tool which is inserted between a tire bead and wheel rim and which, when the receiver and drive assembly is rotated, disengages the bead from the rim or, when installing a tire, engages the bead relative to the rim. A bead rolling or tire iron tool has ellipitical crosssections proximal its ends and extensions, bearing surfaces at its bottom, a rectangular cross-section intermediate its ends and a slot intermediate its ends.

Abstract: The present invention relates to an assembling-disassembling machine provided with a base, a rotating support device (4) for a wheel rim or tyred wheel, an upright or column element (2) extending upwards from the base, and at least one mounting/dismounting tool (6) supported by the upright or column element (2) and mounted on one end of a tool carrying arm (5) in order to transversely extend from the upright element (2). The assembling-disassembling machine also comprises rotating and shifting support means located between the upright or column element (2) and the tool-carrying arm (5) at an upper level with respect to the rotating support device (4), whereby said tool-carrying arm (5) can be rotated and shifted with respect to the upright or column element (2) between a working position, in which the tool (6) is close to the rotating support device (4) and at least one rest position far from the rotating support device (4).

Abstract: Lifting device for fitting vehicle wheels on wheel balancers, comprising a support platform for at least one vehicle wheel to be fitted on/removed from the substantially horizontal balancing shaft of a wheel balancer, a jack for lifting or elevating said platform, and grooves and side appendices on said platform that enable the platform to slide relative to a base in a substantially parallel direction to said balancing shaft, a first and second jaw on said platform, and an actuator for translating one jaw relative to the other jaw, so that the jaws engage opposite sides of the vehicle wheel and retain same in a vertical orientation on the support platform. The actuator is located below the support platform, and is connected to one of the jaws by a bracket which passes through a slot in the support platform.

Abstract: A protection device for tool in a tire assembling-disassembling machine, which tool (2) has at least one working slot or groove (3) designed to slidingly engage, in use, with a peripheral edge of a wheel rim (C) located on the tire assembling-disassembling machine. The protection device comprises a laminar body (1) designed to be seated in the working groove (3), and retaining means (8a, 8b) between the laminar body (1) and the tool (2) provided removably to keep in position the laminar body (1) in the working groove (3).

Abstract: A tired-wheel having a wheel-rim and a tire thereon is automatically serviced. The method includes loading the tired-wheel onto a motor-driven support mounted for rotation about an axis of rotation, centering the tired-wheel with respect to the axis of rotation, and holding it by use of the motor-driven rotatable support, urging the wheel-rim against the rotatable support by use of an urging device so as to make the tired-wheel rigid in rotation with the rotatable support, disassembling the tire from the wheel-rim by use of a pair of working arms, moving away the urging device and removing the disassembled tire, loading a new tire onto the wheel-rim, repositioning the urging device and urging the wheel-rim against the rotatable support, and mounting the new tire onto the wheel-rim by use of the pair of working arms.

Abstract: A machine for fitting and removing vehicle wheel tires, comprising a supporting frame for elements for coupling and rotating a rim about a rotation axis and for a working arm provided with one end on which a working head is supported for fitting and removing a tire on and from the rim, the coupling and rotation elements being movably associated with the frame by interposing elements for movement on a plane that is substantially perpendicular to the rotation axis, the arm being movably associated with the frame by way of the interposition of first elements for translational actuation in a direction that is substantially parallel to the rotation axis of the rim, second actuation elements being interposed between the arm and the first actuation elements and being adapted to allow the arm to move between a first active end configuration, in which the working head is arranged proximate to the first actuation elements, and a second active end configuration, in which the working head is substantially spaced with res

Abstract: A dynamically-reconfigurable production line includes an item-interaction unit and an item-identification unit configured to read item data from an item approaching the item-interaction unit. On the basis of the item data, a processor accesses a memory to select particular configuration data stored therein provided by the item-identification unit. The processor then causes an actuator to reconfigure the production line consistent with the particular configuration data.

Abstract: A wheel clamping assembly provides a frame having three arms, two fixed stops and a turnable cam. The arms are equally spaced and have holes to admit the stops and the cam. The stops have an extension eccentrically located upon the top of the cylinder. Then the cam has an involute, having an expanding radius, upon the top of the cam. In use, the stops are placed upon two arms and the cam is placed upon the remaining arm, all at the same radius. A wheel rim is positioned upon the stops and the cam. The cam is then turned to grasp the wheel. The stops and the cam are made of a non-marring material.

Abstract: A transfer device is provided for transferring tires from a tire conveyor line to a wheel conveyor line. The transfer device includes first and second surfaces rotatable with respect to one another. The first surface can receive tires from the tire conveyor line. A rotating device rotates the first surface to induce movement of the tire to the second surface. The second surface can receive the tire from the first surface and rotate toward the wheel conveyor to position the tire to engage the wheel.

Abstract: An automatic device (1) for mounting and dismounting a tire (100) onto/from the rim (201) of a wheel (120) associated with a tire-dismounting machine (100) comprising a lower base (101) on which are associated rotating support and locking means (102) of the rim (201) of a wheel, a pole (103) extending vertically associated with said base (101), a horizontal support arm (104) associated with said pole (103), said device comprising a mobile shaft (2b) that can slide vertically inside a pipe (2) supported so that it can slide horizontally on said arm (104), an articulated quadrilateral made up of a tire-dismounting tool (4), a pair of opposite connecting rods (13, 14) and a body (6) fixed to the lower end of the mobile shaft (2b), and a manoeuvring lever (7) articulated with said quadrilateral and suitable for deforming it to transmit the roto-translating motion to the tool (4) that goes from a seeking configuration to an extraction configuration of the bead (202?) from the rim (201).

Abstract: The device includes a special tool for extracting an upper bead of a tire; the tool is of such a shape and is activated in such a way as to automate the tire dismounting operation reliably and safely. The device comprises other tools, used in the lower bead extraction operation and in the mounting of a tire, which tools are operated using compressed-air actuators which operate tool-bearing arms according to preset trajectories and runs.

Abstract: An apparatus for servicing a tired wheel for motor vehicles, which comprises a tire assembling-disassembling machine provided with a rotatable motor-driven support (3) for supporting a wheel to be handled, sensor means (4, 5) for controlling both the position of, and the load on, the rotatable support (3), urging locking means (6) designed to act on the middle portion of the wheel-rim to make the wheel rigid in rotation with the rotatable support (3), detecting means (7, 7a, 7b) designed to measure the size of the wheel-rim, and program control means (EC).

Abstract: An apparatus (10) of the present invention is designed for assembling and inflating a tire (12) mounted on a wheel (18). A tool (36) of the apparatus (10) rotates around the tire (12) for forcing one of the beads of the tire (12) between the seats of the wheel (18). Inner (72) and outer (74) concentric members are operably connected relative to one another for inflating the tire (12) mounted about the wheel (18). An activator (102) is connected to the outer concentric member (74) for moving the outer concentric member (74) telescopingly relative to the inner concentric member (72) to form a fluid passage (104). A carriage mechanism (40) is connected,to the inner (72) and outer (74) concentric members for reversibly moving the same between an isolated position (42) and the tool (36).

Abstract: The present invention provides a tire assembling/disassembling machine, particularly for industrial vehicle wheels, having a support frame (2) delimiting a foreheadt, a back and two sides, a rigid support framework (13) articulated at the back of the support frame (2) according to an articulation axis (12), driving means (15) for angularly lifting/lowering said rigid support framework (13) with respect to said support frame, a self-centering assembly (14) overhangingly carried by said rigid support framework (13) at the foreheadof said support frame (2), whereby its axis of rotation is substantially normal to said articulation axis (12), and bead-releasing means carried by said rigid support framework.

Abstract: A tool for demounting a first and second bead of a tire mounted on a rim, the tool comprising a handle having a first end for disengaging a first tire bead from a rim and a second opposite end for disengaging a second tire bead from the rim. The first handle end includes a heel extending radially outward from the handle; an elongate arm portion extending radially outward from the heel and forming a forward opening crook; a raised arm portion disposed adjacent the crook; and a tip extending radially outward from the body portion. The opposite second end of the tool handle is configured to disengage a second bead of the tire from the rim and includes a heel extending radially outward from the handle; an elongate lever arm portion extending radially outward from the heel and defining an open crook adjacent the heel; and an elongate raised arm portion adjacent the crook extending outward to a tip portion.

Abstract: Automatic device for demounting a tire from the relative wheel rim including a demounting tool. The demounting tool can be positioned in a tire bead seeking and gripping position where the axis of the demounting tool is parallel to that of the frame or the demounting tool is rotated a first direction towards the center of the wheel rim. The tool can be positioned for extracting tire bead from the wheel rim in which the axis of the demounting tool is parallel to that of the frame or rotated a direction opposite to the first direction. The device further including a bar, to the end of which the tool is hinged in an intermediate position, and a connecting rod which at one end is hinged to one end of the tool, and at the opposite end is connected to the bar by a lever linkage, the bar being connected to an actuator for advancing it and withdrawing it.

Abstract: A group for assembling, disassembling and bead releasing of a tire (2) onto and from a wheel-rim (3) supported mounted for rotation about an axis and having at least a carriage or slid (4) displaceably mounted on guides (5) extending parallel to the axis of rotation of the wheel-rim (3), an arm or upright (6) extending in a transverse direction with respect to the said axis of rotation and having one end thereof supported by the slide or carriage (4) and its other end provided with a bead releasing tool (7, 8) that can be arranged so as to have its working front or edge (107, 108) facing towards the same side.

Abstract: A tire mounting apparatus for mounting a flexible tire on a rim includes a robot having at least one articulated joint and a wrist. The robot is moveable with at least three degrees of freedom along a selectable one of a plurality of programmable predetermined paths. A central processing unit selectively executes any one of the plurality of paths stored in memory. A bead mounting tool is attachable to the wrist of the robot for movement along the selected one of the plurality of programmable predetermined paths of the robot. The tool is orientatable with at least three degrees of freedom independent of the selected one of the plurality of programmable predetermined paths. A workpiece support positions the rim in a predetermined location with respect to the robot and positions the tire in a predetermined orientation with respect to the rim. A signal is generated and sent to the robot corresponding to a size of the rim and tire combination to be assembled.

Abstract: An assembly for mating a tire with a wheel includes a conveyance device, which supports a device, i.e. first plate for supporting the wheel having spaced seats extending around a vertical axis. A tire support, i.e. second plate supports the tire having spaced beads on the wheel with one bead looped between the seats and outside the seats. A tool of the present invention forms the seats over the bead with the entire bead disposed between said seats. A tread support, i.e. a pair of walls spaced one from the other, are connected to the second plate for engaging the tread of the tire. The tire support includes connectors for adjusting the pair of walls horizontally to and away from the vertical axis. A side support, i.e. arms; are adjustably supported on the respective walls for engaging the side of the tire.

Abstract: Automatic device for demounting a tyre from the relative wheel rim, comprising, for supporting the wheel rim complete with tyre, rotary means associated with a frame which supports a demounting tool and is associated with means enabling it to be positioned in a tyre bead seeking and gripping position in which it is perpendicular to the axis or orientated towards the centre of the wheel rim, and in a position for extracting said tyre bead from the wheel rim in which it is perpendicular to the axis or orientated in the opposite direction, said tool positioning means comprising a bar, to the end of which said tool is hinged in an intermediate position, and a connecting rod which at one end is hinged to one end of said tool, and at the opposite end is connected to said bar by a lever linkage, said bar being connected to means for advancing it and withdrawing it

Abstract: The invention relates to a device and a method for fitting motor vehicle tires onto rims of disk wheels having a tire fitting tool (17) which can rotate about an axis and is mounted at a distance from the axis, an electric motor (2) as a drive motor for a rotational drive of the tire fitting tool (17) about the axis and a power supply device for the drive motor, the power supply device being connected to a gradient-limiting device which, when a predefined gradient of the torque transmitted from the drive motor (2) to the tire fitting tool (17) is exceeded, causes a braking current for stopping the rotational drive to be supplied to the drive motor (2). With the gradient as switch-off criterion, switching off takes place significantly before the limiting value of the torque or of the motor current is reached, so that the tire is handled more gently and it is ensured that the tire is not damaged by the interrupted fitting procedure.

Abstract: The invention relates to a device and a method for fitting motor vehicle tires onto rims of disk wheels having a tire fitting tool (17) which can rotate about an axis and is mounted at a distance from the axis, an electric motor (2) as a drive motor for a rotational drive of the tire fitting tool (17) about the axis and a power supply device for the drive motor, the power supply device being connected to a gradient-limiting device which, when a predefined gradient of the torque transmitted from the drive motor (2) to the tire fitting tool (17) is exceeded, causes a braking current for stopping the rotational drive to be supplied to the drive motor (2). With the gradient as switch-off criterion, switching off takes place significantly before the limiting value of the torque or of the motor current is reached, so that the tire is handled more gently and it is ensured that the tire is not damaged by the interrupted fitting procedure.

Abstract: An apparatus and method for detaching a bead of a tire, has a tire bead separation shoe (1), which has a wedge portion (12) which engages a rim edge (WR) of a wheel (W) having a tire (T). The rim is mounted on a turntable (R). The wedge portion (12) is between the rim edge and the tire bead (TB) and the tire bead fold-back portion (11), and is arranged above the turntable such that it moves up and down. A thrusting rod (4) having a claw (41) provided at its tip end portion is operated when the said wedge portion (12) is shoved between the tire bead (TB) and the rim edge (WR) of the wheel. The claw (41) is shoved between the tire bead and the rim edge. A part of the tire bead is squeezed out of the wheel by the claw onto the bead fold back portion (11). The turntable is revolved so as to smoothly detach the whole circumference of the tire bead (TB) from the rim edge of the tire (W).

Abstract: This new wheel compressor has a spring loaded, shaft with a foot operated torque brace, that when stepped on moves the shaft down. The shaft has an ACME threaded collar welded to the inside that has an ACME bolt threaded T-bar that has a compressor wing that when inserted through the center axel of the wheel threaded to the shaft compresses the wheel.