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Bead breaking unit for tyre changing machines

A technology for changing machine and bead, applied in tire installation, tire parts, transportation and packaging, etc., can solve the problems of use, time and labor.

Active Publication Date: 2011-06-22
GIULIANO GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] Furthermore, in the frequent occurrence that the blade has been caught between the bead of the tire and the edge of the rim, the job requires more than one operator, resulting in a necessary and onerous use of time and manpower

Method used

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  • Bead breaking unit for tyre changing machines
  • Bead breaking unit for tyre changing machines
  • Bead breaking unit for tyre changing machines

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] With particular reference to these figures, indicated generally by 1 is a bead release unit which can be fitted to a tire changing machine of known type and which can be used to first remove the tire bead from the wheel prior to the mounting / demounting operation of the tire itself. separated on each rim of the

[0028] The bead break unit 1 comprises an arm 2 having a first end 2a hinged to a support structure 3 and rotatable about a substantially vertical hinge axis, and a second end 2b having For example a bead breaker tool 4 of conventional blade type or similar.

[0029] The support structure 3 can be constituted eg by the bed of the tire changing machine itself.

[0030] Fastened to the support structure 3 is a support element 5 , also called a pad, for the correct positioning of the wheel R to be beaded off.

[0031] The arm 2 is adapted to swing between a disengaged position in which the bead breaking tool 4 is placed at a substantial distance from the support ...

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PUM

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Abstract

The bead breaking unit (1) for tire changing machines comprises an arm (2) having a first extremity (2a) associated turnable with a support structure (3) and a second extremity (2b) having a bead breaking tool (4), the arm (2) being suitable for oscillating between an away position, wherein the bead breaking tool (4) is positioned substantially at a distance from the support structure (3), and a work position, wherein the bead breaking tool (4) is positioned substantially close to the support structure (3), at least an actuator device (6) having a mobile element (7) associated sliding with the arm (2), at least a drive element (10) for driving the arm (2), associated with the mobile element (7) and suitable for operating during the movement of the mobile element (7) from an extracted position to a retracted position to move the arm (2) towards the work position and an apparatus of temporary coupling (10, 11, 12, 13, 14) between the mobile element (7) and the arm (2), suitable for operating during the movement of the mobile element (7) from the retracted position to the extracted position to move the arm (2) from the work position to the away position.

Description

technical field [0001] The invention relates to a bead breaking unit for a tire changing machine. Background technique [0002] Tire changing machines are generally used to mount and detach tires from vehicle wheels to and from the respective rims. [0003] It is known that before a tire can be completely detached from its housing on each rim, its bead needs to be separated from the bead holding edge on the rim itself. [0004] This operation is carried out by means of a suitable bead breaking unit, usually located on the tire changing machine itself. [0005] A known type of bead breaker unit comprises an arm having a first end articulated to the bed of the tire changing machine about a vertical axis and a second end with a bead breaker Tools or also known as blades. [0006] Fixed to the bed is a support element which can be used to properly mount the rim during the bead breaking operation. [0007] The contact element has a support surface, or also called a pad, which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C25/132
CPCB60C25/13
Inventor 博纳茨尼·法伯里茨
Owner GIULIANO GROUP