Portable tire bead breaker

Details Portable tire bead breaker Portable tire bead breaker

1986-04-10

1987-04-07

Yost, Frank T.

Wheelwright machines

Rubber tire mounting and/or demounting apparatus

For collapsing or shifting tire axially

B60C 2506

Patent

active

046552715

ABSTRACT:
Portable apparatus for breaking the bead of a rubber tire, in which the wheel is placed over a center post. An A frame lying on its side and pivoted at its apex has a shorter lower leg which contacts the root of the tire sidewall and a longer upper leg which is forced downward by a power screw or the like pivoting the A frame and forcing a section of tire bead over the internal ridge on the rim. An adjustment screw meanwhile forces the tip of the lower leg toward the rim which is restrained by the center post.

REFERENCES:
patent: 1475518 (1923-11-01), Snider
patent: 2122388 (1938-06-01), Wilkerson
patent: 2667212 (1954-01-01), Zaffina
patent: 2672185 (1954-03-01), Bergeron
patent: 3237676 (1966-03-01), Wise
patent: 3741271 (1973-06-01), Ross et al.

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