Apparatus for changing giant tires in the field

Details Apparatus for changing giant tires in the field Apparatus for changing giant tires in the field

1975-07-01

1976-07-27

Jones, Jr., James L.

Wheelwright machines

Rubber tire mounting and/or demounting apparatus

For collapsing or shifting tire axially

B60C 2506

Patent

active

039714268

ABSTRACT:
An apparatus for breaking down giant tires in the field attaches to the boom of a tire service truck and includes a U-shaped frame, the spacing between the legs of which is greater than the width of the giant tire. Those legs carry hydraulic cylinders on which opposed pressing shoes are mounted. The boom of the tire truck manuevers the apparatus into a working position in which the shoes are located opposite the two sidewalls of the giant tire, whereupon the cylinders are energized. The force exerted by the shoes breaks the sealing beads on the sidewalls away from the tapered bead seats on the rim which is within the giant tire. The rim need not be removed from the vehicle with which it it utilized in order to change the giant tire.

REFERENCES:
patent: 3051224 (1962-08-01), Pearne
patent: 3865172 (1975-02-01), Branick

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