Snap-on Equipment S.r.l.

Snap-on Equipment Srl a Unico Socio

Silvio Manicardi

Paolo Sotgiu

Lillo Gucciardino

Matteo Neri

A tyre changing machine includes a wheel support assembly for locking and setting in rotation a rim of a wheel from which to demount or on which to mount a tyre, and a bead breaking tool disposed at an end of a bead breaking arm and able to carry out the bead breaking operation. The bead breaking arm is movable between a disengaged position and a working position. A motor device has an output drive shaft for moving the bead breaking arm between the disengaged and working positions. Means for transmitting the drive from the motor device to the bead breaking arm include threaded means having an external screw-thread and hollow counter-threaded means operatively coupled with the threaded means. Connecting means operatively associate the means for transmitting the drive to the bead breaking arm.

Tyre changing machine

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.

An apparatus is provided for positioning a tired wheelonto an upright rotary wheel holder unitof a tire changer machine. A first frameis driven by a first actuatorto move the wheelbetween a lower position and an upper position from which the wheelis brought onto the rotary wheel holder unit. A second frameis connected with a second actuatorto be driven between a lower position to an end position above the upper position to remove the wheelfrom the first frame, and to support the wheelwith the wheel axisin alignment with a rotation axisof the rotary wheel holder unit. The second frameis lowered by the action of the second actuatorfor positioning the tired wheelonto the rotary wheel holder unit

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Carpi, Italy

Silvio Manicardi