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Upgraded bead breaking unit for tyre changing machines or the like

A technology for separating units and changing machines, applied in tire installation, tire parts, transportation and packaging, etc., can solve problems such as wasting manpower and time

Inactive Publication Date: 2012-11-28
GIULIANO GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] Furthermore, in the common case where the blade remains lodged between the tire bead and the rim edge, the job becomes requiring more than one operator, resulting in wasted manpower and time

Method used

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  • Upgraded bead breaking unit for tyre changing machines or the like
  • Upgraded bead breaking unit for tyre changing machines or the like
  • Upgraded bead breaking unit for tyre changing machines or the like

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] With specific reference to these figures, indicated generally at 1 is a bead breaking unit which can be mounted on tire changing machines of known type and which can be used to separate the bead of the tire from the bead of the wheel prior to the mounting / demounting operations of the tire itself The corresponding rim is disassembled first.

[0033] The bead breaking unit 1 comprises an arm 2 having a first end 2a and a second end 2b, said first end 2a being hinged to a support structure 3 and rotatable about a substantially vertical hinge axis, Said second end 2b portion has a bead breaking tool 4, for example of the type of a conventional blade or similar.

[0034] The support structure 3 can be formed by, for example, the fuselage of a conventional tire changing machine M.

[0035] On the support structure 3 are fixed support elements 5, also known as pads, which can be used to correctly position the wheel R to be beaded.

[0036] The arm 2 is adapted to swing betwe...

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PUM

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Abstract

A bead breaking unit for tyre changing machines includes an arm having a bead breaking tool and associated rotatable with a supporting structure between an away position, wherein the tool is spaced out from the supporting structure, and a work position, wherein the tool is near the supporting structure, an actuator apparatus having a mobile element associated sliding with the arm, a dragging device for dragging the arm, associated with the mobile element and suitable for operating during movement of the mobile element from an extracted position to a retracted position to bring the arm to the work position, a coupling device between the mobile element and the arm, suitable for operating during movement of the mobile element from the retracted to the extracted position to bring the arm from the work position to the away position, and a selection device associated with, and suitable for operating / disconnecting the coupling device.

Description

technical field [0001] The present invention relates to an improved bead breaking unit for a tire changing machine or the like. Background technique [0002] Tire changing machines are commonly used to mount / dismount wheels to / from their respective rims. [0003] As is known, before the tire can be completely detached from its casing on the respective rim, the beads of the tire need to be detached from the bead-retaining edges of the rim itself. [0004] This operation is carried out by means of a suitable bead breaking unit, usually provided on the tire changing machine itself. [0005] The known type of bead breaking unit comprises an arm having a first end and a second end, the first end being articulated to the body of the tire changing machine according to a substantially vertical axis, the The second end has a bead breaking tool, also called a blade. [0006] Fixed to the body is a support element that can be used to properly mount the rim during the bead breaking o...

Claims

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Application Information

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