India rubber world . sition. When thetire is being appliedto the rim the diago-nally-extending wireswill yield or give suffi-ciently with the rubber, where pressure is applied, to allow thetire to enter the channel. The ends of the wires will thenextend under the converging flanges of the channel rim. Ithas been found that under severe longitudinal strain, solidrubber tires of light construction are liable to stretch, andat the same time to narrow in cross section, so as to per-mit the tire to disengage the undercut portion of the chan-nel. In order to overcome this difl^culty, endless circum-
India rubber world . sition. When thetire is being appliedto the rim the diago-nally-extending wireswill yield or give suffi-ciently with the rubber, where pressure is applied, to allow thetire to enter the channel. The ends of the wires will thenextend under the converging flanges of the channel rim. Ithas been found that under severe longitudinal strain, solidrubber tires of light construction are liable to stretch, andat the same time to narrow in cross section, so as to per-mit the tire to disengage the undercut portion of the chan-nel. In order to overcome this difl^culty, endless circum-ferential wires are placed inside the channel rim, and overthe ends of the diagonal cross wires, outside the elastictire. The illustration shows the model of tire preferred by theinventor; it also shows, through the removal of a portion ofthe solid rubber, the position of the diagonal and the circum-ferential wires. United States patent No. 763,996 has beenissued to Charles A. Motz, who has pending an application for.
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