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

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.

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

The present invention concerns a tyre-changing machine provided with a basic structure that can rest on the ground, a retaining and rotation unit mounted on an upper part of the structure and adapted to retain and set the rim (C) of a wheel (R) in rotation around an axis of rotation of the wheel (Z-Z) and a holding column associated with the retaining and rotation unit and intended to support a tool for mounting/disassembling a tyre (P) onto/from the rim (C) of the wheel (R). Advantageously, the tool comprises a hooked end which can rotate passively around an axis of rotation (X-X) orthogonal to the axis of rotation of the wheel (Z-Z).

A combined tire-disassembling device is provided, and includes a first shaft with a pressing wheel at an end of the first shaft, and a second shaft with a disassembling and assembling hook at a first end of the second shaft, where a combined frame is provided on the first shaft, a shaft hole matched with the second shaft is provided in the combined frame, one end of a driving oil cylinder of second shaft is connected with the second end of the second shaft, and the other end of the driving oil cylinder of second shaft is connected with the combined frame. A large horizontal tire changer is further provided, which includes a base platform, a sliding platform provided at one end of the base platform, a chuck assembly and a tire disassembling mechanism a hydraulic driving device and an operating console.

A machine (M) for mounting and demounting a tyre (P) relative to a corresponding rim (C) of a vehicle wheel (R) comprises a wheel-holder unit (200) that is movable in rotation about a vertical axis of rotation (Y) and movable in translation along an axis of translation (X) towards and away from the machine (M). The machine (M) comprises a main arm (400) and a working unit (500) connected to the main arm (400) and including a first arm (501a) pivoted to the main arm (400) at a hinge point (F) and a first sidewall pressing tool (502a) which is configured to come into abutment against a sidewall of the tyre (P) of the wheel (R) mounted on the wheel-holder unit (200) and which is connected to the first arm (501a). The main arm (400) is movable by translation parallel to the horizontal axis of translation (X) towards and away from a column (101) to keep the hinge point (F) vertically aligned with the vertical axis of rotation (Y) of the wheel-holder unit (200), responsive to a movement in translation of the wheel-holder unit (200).