| Show RIM IS HANDY means provided for easy and rapid interchange of other tires carried by such rims the scientific american in illustrating and describing a rim the invention of A allgrun east blackwell street dover N J says this invention relates particularly to rims providing for the easy and rapid interchange of other 0 0 0 0 P 0 0 1 rim tires carried by such rims it provides a special rim construction for a wheel said rim construction including a pair of operating cooperating co and relatively movable rims one of which Is fixed to the felly and the other of which carries the tire and Is connected to the stationary rim |