Magnetic tire bead setter

Details Magnetic tire bead setter Magnetic tire bead setter

1993-06-10

1994-04-05

Knable, Geoffrey L.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156131, B29D 3032

Patent

active

053001800

ABSTRACT:
An improved bead setter for mounting on a retractable bead setter carrier ring of a tire building drum for carrying a steel tire bead from a load position to a pickup position on the drum where the bead is coaxial and radially aligned with radially expanding bead locks. The bead setter has a holder which is secured to the ring and has a finger which is slidably pivotally mounted in a cutout formed in the holder. A spring biases the finger to an at-rest outwardly extending bead gripping position. One or more permanent magnets are mounted on an extended end of the finger for gripping a bead. The finger is displaced radially as the bead lock extends radially outwardly to engage the bead and then pivots in a generally axial outward direction as the bead carrier ring axially withdraws to a retracted position, enabling the finger to pass freely over tire plies previously applied on the drum. The spring automatically returns the finger to the outwardly extending position, providing a smaller diameter between fingers for subsequent pickup of another bead at the bead load position.

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patent: 5073225 (1991-12-01), Schmitt et al.
patent: 5141588 (1992-08-01), VanBuskirk

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