Improper working position detection for tire mounting...

Details Improper working position detection for tire mounting... Improper working position detection for tire mounting...

2007-09-04

2007-09-04

Hail, III, Joseph J. (Department: 3723)

Wheelwright machines

Rubber tire mounting and/or demounting apparatus

For collapsing or shifting tire axially

C157S001260, C157S001210, C157S001200

Reexamination Certificate

active

11209481

ABSTRACT:
An apparatus for mounting a tire on a wheel rim includes a mounting head with a tire bead deflector and a tire press-in roller, and a drive that moves the mounting head toward, and rotates the bead deflector and the press-in roller around, the wheel rim. To avoid a damage-causing contact between the bead deflector and the wheel rim, an arrangement for monitoring a minimum spacing distance between the wheel rim and the mounting head is arranged preferably on the bead deflector. If an improper working position closer than the minimum spacing distance is detected, the arrangement produces a signal that influences, e.g. stops, the motion of the mounting head. The arrangement preferably includes a contact member of a comparatively soft low-friction material at a working end of the bead deflector. If the contact member contacts the wheel rim, this actuates a piezoelectric element to generate the required electrical signal.

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“ Balancing and Diagnostic Systems”, 2002 Catalog RA 1020e of Company Schenck RoTec GmbH, Landwehrstr. 55, D-64293 Darmstadt, Germany, pp. 116 to 117 (2002).

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