Device used for detaching the beads of a tire from the wheel rim
OwnerFrancis Du Quesneinventor
Life of this patent
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Abstract
The present device is for detaching the beads of a tire which adhere to a wheel rim more particularly of heavy vehicles, whereby the wheel is held between a mobile stabilizer shield of an upright fixed frame and an upright mobile backing support and whereby a pressure plate is provided of an in the fixed frame in a vertical plane pivotally suspended pressure cylinder adjustable in height. After the beads are detached, the tire is removed from the wheel by the use of another known device.
Claims7
Device for detaching the beads of a tire from a wheel rim, comprising a base, on one end of this base an upright fixed frame, on the other end of this base an upright mobile backing support against which one side of the wheel bears and slideable towards said fixed frame, means for blocking said support on said base, a pressure cylinder pivotally suspended in a vertical plane in a slide adjustable in height and mounted in the fixed frame, means to limit the tumble movement of said pressure cylinder, a pressure plate fixed to the free end of the pistonrod of said pressure cylinder and capable of moving towards said support in order to detach the adjacent bead of the tire, means to displace in height said slide with the pressure cylinder in order always to locate the pressure plate as close as possible against the peripheral edge of the wheel rim whatever the diameter of the wheel, whereby the pressure plate may follow the shape of the wheel rim, a stabilizer shield facing said fixed frame and destined to support the upper part of the other side of the wheel, and means to move said shield towards said backing support
Dependencies are inferred from the claim text.