Wheelwright machines – Rubber tire mounting and/or demounting apparatus – For collapsing or shifting tire axially
Patent
1994-08-25
1996-02-13
Meislin, D. S.
Wheelwright machines
Rubber tire mounting and/or demounting apparatus
For collapsing or shifting tire axially
B60C 2506
Patent
active
054905524
ABSTRACT:
The tyre removal machine comprises a frame (1) which contains a rotatable vertical shaft (6) carrying a self-centering unit (2), and is provided with a rear column (3) for supporting a tyre mounting/removal tool (10), and a rotatable arm (13) for supporting a bead release tool (12), and further comprises at least one flexible element (35) which at one end is connected to the rod (112) of a double-acting pneumatic cylinder-piston unit (11), its other end forking into two branches (130, 131) which wind in opposing directions about two coaxial pulleys (30, 31) which are idly mounted on the shaft (6) and with which there are associated respective coupling devices for making them selectively rigid with this latter, and a mechanism (34) to cause them to rotate in order to rewind the branches (130, 131).
REFERENCES:
patent: 3212552 (1965-10-01), Foster
patent: 4209053 (1980-06-01), du Quesne
patent: 5050659 (1991-09-01), Scalambra
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