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: The present invention relates to a tire assembling-disassembling tool for use in a tire assembling-disassembling machine arranged to rotatable support a tired wheel or wheel rim, said tool being cantilever supported on a respective guide member of the tire assembling-disassembling machine, said tool extending parallel to the axis of rotation of the wheel and comprising a tool-carrying arm slidable mounted on said guide member, and at least one nail-shaped member having a first end thereof constrained to said supporting arm so to be able to made roto-translational movements with respect thereto, and the other free end hook-shaped with back facing said wheel rim.

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: The present invention relates to a locking device design to act between a tire and its respective wheel rim for dynamically balancing a tired wheel. The locking device is arranged to be installed on a tired-wheel maintenance machine having a support frame and a rotatable support for a wheel rim of a deflated tired wheel and locking-unlocking means for locking-unlocking the wheel rim to and from the rotatable support. The locking device comprises holding belt anchorable to the support frame and an engaging group designed removably to engage the tire of the deflated tired wheel, while its respective wheel rim is controllably angularly shifted.

Abstract: An automatic detector device for a tire assembling-disassembling machine having at least one support group (G) mounted for rotation about an axis of rotation of a tired wheel (9) whose bead is to be released, and at least one bead-releasing roll-carrying extending-retracting arm (T1, T2). Each arm (T1, T2) can be extended and retracted and suppports a respective bead-releasing roll (R1, R2). The arm (T1, T2) are located, in use, on opposite sides with respect to the tired wheel (9). The detector device further comprises a sensor member (3) movably supported at a respective bead-releasing roll (R1, R2), driving means (5) for each sensor member (3), so that it can be moved between a backward rest position and an extended working position, and control means (34) arranged to act in response to control signals generated by sensor member (3) in its working position.

Abstract: A rapid inflation device having a supply of pressurised pressurized fluid, a nozzle holder assembly, that can be manually moved an located by an operator between a rest position and a working position and is provided with one or more blowing-in nozzle, a flexible conduit designed to put the supply source of pressurized fluid in communication with the nozzle holder assembly, a manual control provided at the nozzle holder assembly and designed to activate and deactivate the pressurized fluid feeding on the operator's control, sensors at the nozzle holder assembly designed to detect if the nozzle holder assembly is in working position, and slave valve means adapted to control the pressurized fluid feeing from the supply source to the blowing-in nozzle, on the control of the safety sensor means and manual control means.

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 safety device for inflating an envelope at risk of bursting comprising: a tubular body, a piston element slidably and sealably mounted within at least one inner portion of the tubular body; at least one piston rod integral with the piston element and extending so as to protrude from a first end of the tubular body; an annular bottom member, located in the tubular body or at the first end of the tubular body and suitable for slidably guiding the piston rod and for closing the tubular body whereby delimiting an annular space together with the tubular body and with the piston; removable anchoring device suitable for acting at a protruding end of piston rod and for constraining the piston rod to a support; at least one inlet opening and at least one outlet opening formed in the tubular body at the annular space, in operation said inlet opening being suitable for being connected to a pressurize fluid source and the outlet opening being designed to be connected to the envelope to be pressurized; and a yielding re

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: A tire assembling-disassembling machine includes a supporting, locking and rotating device for a wheel-rim for a vehicle tired-wheel about the axis of rotation of the wheel, at least one bead releasing assembly provided with a fixed support structure and a pair of supports extendible-retractable in a substantially radial direction with respect to the axis of rotation starting from the fixed support structure and slidingly mounted along guide structure, at least one bead releasing roller carried at one end of a respective extendible-retractable support, driving structure for moving the arms towards and away from each other, a tool for fitting a tire onto the wheel-rim, a controller for radially extending-retracting each support and controllable locking-releasing structure for each support in an extended position thereof, and additional controllable driving structure to effect an additional extension of its respective support when locked in its extended working position by the locking-releasing structure.

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 rapid tire inflation plant comprising a low pressure high flow inflating gas source, an inflation device, a motor, a compressor driven by said motor and a control circuit arranged to control feed of low pressure inflating gas from said inflating gas source to said compressor and the feed of inflating gas at a relatively high flow and pressure to said inflation device.

Abstract: Method of, and apparatus for, fitting a resilient ring substantially circular in shape into a tire, and removing it therefrom, the method comprising the following steps in sequence: initial deforming of the resilient ring by slightly stretching it along one diameter thereof so as to cause it to change from a circular to an elliptical shape; fitting of the thus deformed ring lengthwise into the light of a tire in which the ring is to be assembled; first releasing of the ring whereby it tends to regain its initial circular shape while remaining engaged in the tire light; final deforming of the resilient ring by stretching it in a radial direction within the tire, and final releasing of the deformable ring whereby it regains its initial circular shape within the tire.

Abstract: Bead releasing and removing head for a tire fitting machine comprising a support frame (2) anchored to the tire fitting machine and supporting at its top at least a bead releasing disk (3) and a bead removing tool (4), having a working tip (7), wherein the removing tool (4) is slidably supported by said head and comprises driving means (5) suitable for displacing it, upon control, so that the working tip (7) is movable between an advanced working position and a withdrawn rest position.

Abstract: A rapid tyre inflation plant comprising a low pressure high flow inflating gas source, an inflation device, a motor, a compressor driven by said motor and a control circuit arranged to control feed of low pressure inflating gas from said inflating gas source to said compressor and the feed of inflating gas at a relatively high flow and pressure to said inflation device.

Abstract: A tire assembling-disassembling machine provided with a supporting, locking and rotating device (2) for a wheel-rim (C) for a vehicle tired-wheel about the axis of rotation of the wheel, at least one bead releasing assembly provided with a fixed support structure (4) and a pair of supports (9, 10) extendible-retractable in a substantially radial direction with respect to the axis of rotation starting from the fixed support structure (4) and slidingly mounted along guide means (18) whereby being movable towards and away from each other, at least one bead releasing roller (11, 12) carried at one end of a respective extendible-retractable support (9, 10) away from the rigid support structure (4), driving means (32, 33) for moving the pair of arms towards and away from each other, a tool (5) for fitting a tire (P) onto the wheel-rim (C), control means (21, 22) for radially extending-retracting each extendible-retractable support (9, 10) and controllable locking-releasing means (9, 10) for each support (9, 10) in

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-centring 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: The invention relates to a fluid operated reversible volumetric machine comprising a receiving housing (C), at least two pairs of gear elements (I) mounted for rotation in the receiving housing (C) so that each gear element (I) is in meshing engagement with two adjoining gear elements (I) equal to it, an outer peripheral sequence, with respect to the gear elements, of suction openings or inlets (E alternating with as many delivery openings or outlet (U) formed in the receiving housing (C), an inner peripheral sequence, with respect to the gear elements, of delivery openings or outlets (U), alternating with as many suction openings or inlets (E) formed in the receiving housing (E), each outer and inner sequence comprising a number of inlets (E) or outlets (U) equal o the number of gear elements (I).

Abstract: Method of, and apparatus for, fitting a resilient ring substantially circular in shape into a tire, and removing it therefrom, the method comprising the following steps in sequence:

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.