A device for mounting and removing a tire on/from a rim includes a pincers element which is pivoted in a tool body with respect to the main frame and can grip a tire bead; the pincers element performs a preset rotation together with the tool body, moving away from the rim edge by performing a motion over the edge without making contact with the rim at the end of the rotation; the pincers element releases the bead on the outer edge of the rim, in a removal operation, or in the inner seat of the rim, in a mounting operation.

In a device (1) for clamping a rim (2) of a vehicle wheel, at least four clamping elements (3) are provided which can be moved with respect to the rim (2) and comprise clamping arms (5) and support elements (7) having support surfaces (6). A rim flange of the rim (2) can be placed on the support surfaces. The clamping arms (5) are rotatably mounted, about their longitudinal axis, in the clamping elements (3), and have clamping fingers (8) at the end that protrude beyond the support surfaces (6), which fingers have clamping surfaces which can be brought into clamping contact with the placeable rim flange.

Described is a machine (1) for fitting and removing a tyre from a corresponding wheel rim of a vehicle, comprising: a wheel-holder unit (4), which rotates about a first axis (A); at least one bead breaker tool (29), movable along a second axis (B) parallel to the first axis (A); a roller (2) rotating about a fourth axis (D) parallel to the first axis (A) and configured to move by rotation about a fifth axis (E) spaced from the fourth axis (D), between an active position where it is in contact with a tyre tread of the wheel mounted on the wheel-holder unit (4), to a position of non-interference relative to the tyre; at least one sensor (40) connected to the roller (2) for detecting a signal representing a force transmitted to the roller (2) by the tyre; a removal tool (37), which is movable by rotation about a sixth axis (F) parallel to the first axis (A) and spaced from it, between a first position proximal to the first axis (A) and a second position distal from the first axis (A), which is movable in a direction parallel to the first axis (A) and movable towards and away from the sixth axis (F).

A tyre dismounting apparatus adapted to be installed on a motor vehicle comprises: a base configured to be fixed to the motor vehicle; a frame, hinged to the base and tiltable about a tilting axis between a rest position and a working position; a tilting actuator connected to the base and to the frame to move the frame relative to the base; a wheel-holder unit configured to receive a wheel and lock it in place and rotating about an axis of rotation to drive the wheel in rotation about the axis of rotation; a longitudinal actuator connected to the frame and configured to move the wheel-holder unit along a longitudinal axis having at least one component in a vertical direction, parallel to the direction of the weight force; a working unit connected to the frame and including a rod and a tool connected to the rod. The tyre dismounting apparatus comprises a transverse actuator connected to the working unit to move it translationally relative to the wheel-holder unit along a transverse axis parallel to the tilting axis of the frame.

A tyre changing machine includes a frame; a wheel support assembly mounted on the frame for locking and setting in rotation a rim of a wheel; at least a bead breaking arm; and a bead breaking tool adapted to carry out the bead breaking operation of the tyre of the wheel. The bead breaking arm is movable between a disengaged position, in which the bead breaking tool is substantially distanced with respect to the tyre, and a working position, in which the bead breaking tool can engage on the tyre. A motor device has an output drive shaft for moving the bead breaking arm. The tyre changing machine further includes means for transmitting drive from the motor device to the bead breaking arm or to the wheel support assembly and adapted to activate the bead breaking arm or the wheel support assembly.

Described is a machine (1) for fitting and removing a tyre from a corresponding wheel rim of a vehicle, comprising: a wheel-holder unit (4), which rotates about a first axis (A); at least one bead breaker tool (29), movable along a second axis (B) parallel to the first axis (A); a roller (2) rotating about a fourth axis (D) parallel to the first axis (A) and configured to move by rotation about a fifth axis (E) spaced from the fourth axis (D), between an active position where it is in contact with a tyre tread of the wheel mounted on the wheel-holder unit (4), to a position of non-interference relative to the tyre; at least one sensor (40) connected to the roller (2) for detecting a signal representing a force transmitted to the roller (2) by the tyre; a removal tool (37), which is movable by rotation about a sixth axis (F) parallel to the first axis (A) and spaced from it, between a first position proximal to the first axis (A) and a second position distal from the first axis (A), which is movable in a direction parallel to the first axis (A) and movable towards and away from the sixth axis (F).

The present invention regards a group for supporting and tightening a rim of or for a tired wheel, and such group includes a base, a wheel-holder table, an upright or column projecting upward from the base and supporting at the top the wheel-holder table, a shaft or pin mounted in or alongside the upright or column, a sleeve element or ring nut element constrainable or mountable on the shaft or pin and means for the relative movement of the shaft or pin and of the table.

A robotic wheel gripper unit that is configured for gripping and transporting a wheel to a predetermined position during an assembly operation with a tire is disclosed. The robotic wheel gripper unit comprises a selectively moveable arm that includes a gripper tool connected thereto. The gripper tool further includes a plurality of gripper fingers and at least one sensor. The gripper fingers are configured for selectively engaging a portion of a wheel. The sensor is configured to detect a predetermined element on the wheel, such as a TPMS valve stem, to assist in placement of the wheel during an assembly operation.

The present invention provides a tire lifting device that allows an operator to lift vehicle and remove vehicle tires remotely, thereby providing a more efficient and effortless vehicle tire removal operation to the operator. The device is configured to capture, remove, replace, and minutely position vehicle wheel and tire for easy re-installation without involving lifting by the technician. The device further is powered by hydraulic and or electric operation. The device comprises a steel frame with at least at least two fixed wheels, at least one steerable wheel and drives for steering the device over surface. The device further comprises a remote control unit to perform complex motions of the device remotely. A main jack and roller stand raises and lowers the wheel and tire for height positioning, while a support tubes and tire guide hold the tire erect either for removing or remounting the vehicle tire.

A fixture for eccentric clamping of a wheel is composed of a base (1), a cylinder (2), a cylinder support (3), a connecting seat (4), a movable positioning seat (5), a guide rail sliding seat (6), a linear guide rail (7) and a fixed positioning seat (8), wherein the cylinder support (3), the linear guide rail (7) and the fixed positioning seat (8) are fixed on the base (1), the cylinder (2) is mounted on the cylinder support (3), an output shaft of the cylinder (2) is connected with the connecting seat (4), the connecting seat (4) is connected with the linear guide rail (7) via the guide rail sliding seat (6), the movable positioning seat (5) is fixed on the connecting seat (4), and the cylinder (2) is configured to drive the connecting seat (4) and the movable positioning seat (5) to move along the linear guide rail (7).