Tire changing machine

Details Tire changing machine Tire changing machine

1997-10-20

2000-08-29

Eley, Timothy V.

Wheelwright machines

Rubber tire mounting and/or demounting apparatus

For collapsing or shifting tire axially

B60C 25128

Patent

active

061093270

ABSTRACT:
A tire changing machine which comprises: a bed, a frustoconical platform which is supported by the bed and is designed to act as a support for a wheel rim, a hollow shaft which is coaxial to, and rotates rigidly with, the frustoconical platform and raises from said platform and is provided with a threaded portion, a fixed shaft which is arranged within said hollow shaft and protrudes therefrom, securing means scewable onto the hollow shaft for fixing the wheel rim on the platform, a lateral column raising from the said bed, upper bead breaking means carried by the said column and arranged to act from above on a tire on a wheel rim located on the frustoconical platform, lower bead breaking means arranged to act from below on the lower side of a tire on a whell rim placed on the platform, a driving motor for rotating the said frustoconical platform about the said hollow shaft, and automatic locking and releasing means between the said driving motor and said platform to safely clamp the platform against a wheel rim placed thereon.

REFERENCES:
patent: 3807477 (1974-04-01), Curtis
patent: 3827474 (1974-08-01), Besuden
patent: 3958618 (1976-05-01), Reuther
patent: 4039016 (1977-08-01), Cunningham
patent: 4047553 (1977-09-01), Kotila
patent: 4168733 (1979-09-01), Gwaltney
patent: 4222426 (1980-09-01), Brosene, Jr.
patent: 4335772 (1982-06-01), Bubik et al.
patent: 4632167 (1986-12-01), Collins
patent: 5244029 (1993-09-01), Schoen et al.
patent: 5758703 (1998-06-01), Mimura

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