Bead breaker

Details Bead breaker Bead breaker

2008-09-23

2008-09-23

Meislin, D. S. (Department: 3723)

Wheelwright machines

Rubber tire mounting and/or demounting apparatus

For collapsing or shifting tire axially

C157S001260

Reexamination Certificate

active

11283231

ABSTRACT:
A tire bead breaker for breaking a tire bead between a tire and a rim or wheel to allow for easy removal of the tire from the wheel includes a main chassis, an activator unit, and an actuation arm. In one preferred embodiment, the activator unit is a pneumatic airbag. The activator unit may have a plurality of chambers. In one preferred embodiment, the actuation arm has a transfer section and an engagement section. The transfer section is for transferring movement from the activator unit to the engagement section. The actuation arm is preferably pivotably attached to the main chassis.

REFERENCES:
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patent: 3426827 (1969-02-01), Lydle et al.
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patent: 4072178 (1978-02-01), Du Quesne
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patent: 6289962 (2001-09-01), Klein
patent: 6305453 (2001-10-01), Zielewicz
“10″, 13″, or 15″ Tire Bead Breaker,” Speedpartz.com, at least as early as Sep. 14, 2005, 1 page, http://www.shoxskinz.com/beadbreak.htm.
“CH-24 Bead Breaker,” tsissg.com, at least as early as Sep. 14, 2005, 1 page, http://www.tsissg.com/product-detail.asp?pid=CH-24.
“TC-610 Bead Breaker,” tsissg.com, at least as early as Sep. 14, 2005, 1 page, http://www.tsissg.com/product-detail.asp?pid=TC-610.
“TC-600 Bead Breaker,” tsissg.com, at least as early as Sep. 14, 2005, 1 page, http://www.tsissg.com/product-detail.asp?pid=TC-600.
“Tire Changers,” AmPro, at least as early as Sep. 14, 2005, 10 pages, http://www.e-tirechangers.com.

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