Wheelwright machines – Rubber tire mounting and/or demounting apparatus – For collapsing or shifting tire axially
Patent
1990-04-27
1991-09-24
Smith, James G.
Wheelwright machines
Rubber tire mounting and/or demounting apparatus
For collapsing or shifting tire axially
157 16, B60C 2508
Patent
active
050506595
ABSTRACT:
A machine for the removal and replacement of tires for the wheels of automobiles of the type comprising a self-centering rotating platform (2) which can grip the wheel, above which a vertical toolhead arm (5) is positionable. The rotation of said platform and the activation of an unbeading device (6) located and mounted at the side of the machine are obtained by means of a pneumatic cylinder (10). A second pneumatic cylinder (39) commands the opening and closing movements of the jaws (38) for the gripping of the wheel rim which are arranged on the self-centering platform (2). The compressed air used in the feeding of the pneumatic devices come from a structural element which forms part of the frame of the machine.
REFERENCES:
patent: 3905413 (1975-09-01), Myers
patent: 4209053 (1980-06-01), Du Quesne
patent: 4750538 (1988-06-01), Du Quesne
patent: 4884611 (1989-12-01), Schmidt
G. S. S.R.L.
Smith James G.
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