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1,346,945
ing said rims in air tight relation, a rigid plate secured to each side of said inner rim outside said diaphragm and slidable on said outer rim and rods passing through said 5 outer rim and said plates to retain said plates slidably on said outer rim. 2. A pneumatic tire comprising an inner rigid rim adapted to be detachably secured to the rim of a vehicle wheel, a solid outer 10 rim spaced from said removable rim, means connecting said rims to preserve an air-tight connection between them, and rigid plates secured to said inner rim and slidably secured to said outer rim, said plates being bowed
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transversely to provide space for expansion 15 of said air-tight connecting means. 3. A pneumatic tire comprising an inner rigid rim, an outer rim spaced from said inner rim, resilient diaphragms connecting said rims, plates secured rigidly to said inner 20 rim and slidable on said outer rim to protect said diaphragms and means to secure said plates rigidly to said outer rim also, when desired. In testimony whereof I hereunto affix my 25 signature, this the 1st day of April, A. D. 1919. CHAS. DROUET.