Wheelwright machines – Rubber tire mounting and/or demounting apparatus – For collapsing or shifting tire axially
Patent
1992-08-27
1993-12-14
Smith, James G.
Wheelwright machines
Rubber tire mounting and/or demounting apparatus
For collapsing or shifting tire axially
157 11, B60C 2506
Patent
active
052693589
ABSTRACT:
A method for universally fixturing a tire bead loosening tool to a variety of standard off-road vehicle wheel rim configurations or designs and a radially and axially adjustable mounting apparatus for performing the method including a hook extending outwardly from a frame of the tool for interlocking with a tool mounting flange of the rim and an adapter carried by the tool for supporting the tool when mounted to the rim. The adapter has a first portion which is immovably affixed to or integral with a forward face of the tool frame, a second trunnion portion depends from the first adapter portion and a third swivel portion is pivotally carried by a pair of gudgeon arms of the trunnion. Each adapter portion has one or more threaded holes for threadably receiving a desired number of pressure bolts for supporting the tool when mounted. In use, the rim is surveyed and the adapter portion which provides the most stable tool support for such rim type is selected. An appropriate number (one or more) of bolts are inserted into the selected adapter portion before engaging the hook with the wheel rim mounting flange. To support the tool on the rim in a stable manner, the tool is rotated around the mounting flange until the head or end of each bolt generally stops against the outer axial surface of a base of the rim. Each bolt is rotatively adjusted until the longitudinal axis of the tool is generally parallel to the axis of rotation of the rim to direct an applied tire bead loosening force from the tool generally inwardly against a tire bead retaining flange of the rim to loosen a tire bead from the rim for removal.
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Dotson Wheel Corporation
Smith James G.
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