Tire demounting tool

Details Tire demounting tool Tire demounting tool

1988-08-08

1990-01-02

Smith, James G.

Wheelwright machines

Rubber tire mounting and/or demounting apparatus

For tire retaining ring

157 117, B60C 2504

Patent

active

048906611

ABSTRACT:
A tire demounting apparatus for a tire secured to a wheel rim, having a actuating lever, pivotably supported on the wheel about a first pivot axis, and a tire bead holder pivotably supported on the actuating lever about a second axis. The tire bead holder has an engagement portion engaging the tire bead. Upon pivoting of the actuating lever in the intended demounting pivot direction, the tire bead holder engaging the tire bead pivots in the opposite direction on the actuating lever, thereby engaging a tire bead portion to be released. The portion engaged by the tire bead holder is initially moved radially inward out of range of the wheel flange, and then in the axial direction away from the wheel. The tire demounting apparatus also includes a stop which limits the pivoting motion of the tire bead holder on the actuating lever oriented opposite the demounting pivoting direction of the actuating lever.

REFERENCES:
patent: 4588011 (1986-05-01), Goebel
patent: 4610287 (1986-09-01), Rach et al.

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