Septembek 1, 1911.] 



THE INDIA RUBBER WORLD 



503 



adapted for clincher, quick detachable and Dunlop tires. The 

 removal of the rim is effected by extracting four of the eight 

 wedges that secure it, and inserting a hinged tool. 



The Diamond Demountable rim is secured to the wheel by 

 five bolts passing through the felloes. On removing these bolts 

 and the two nuts from the reinforcement strip where the felloe 

 is recessed to admit the valve stem, by means of a brace and 

 socket wrench, the rim can be easily slipped off the wheel. 



The Goodyear Tire & Rubber Co.'s (Doolittle) rim has an 



clamping ring, demountable rim nut, demountable rim clamp, 

 demountable rim clamp bracket, demountable rim bolt, demount- 

 able rim felloe band. It is a solid and not "split" rim. 



The Fisk Removable Rim, comprises wheel rim, tire rim rind 

 expanding rim and securing bolts. The wheel rim is shrunk on 

 to the wheel felloe in the regular way. It is fitted with a hole 

 into which a dowel pin on the tire rim fits to prevent creeping. 

 The tire rim is made with a hollow centre fo ensure lightness 

 and good bearing for the expanding ring. The expanding ring 



GooDYE.\R Doolittle Rim. 



Fisk Removable Rim. 



DoRL-VN Remov.\ble Ri.m. 



Republic Rim. 



How.\Ru Quick Demountable. 



MiCHELiN Demountable. 



expansible base, side flanges, contracting and expanding screws, 

 telescoping housings, etc. It is worked by a simple ratchet 

 wrench. 



The Firestone Quick detachable clincher demountable rim, 

 comprises the following parts : Clincher side ring, locking ring, 



is beveled on the inside to correspond with the outside bevel of 

 the wheel rim and is operated by means of five nuts, applied to 

 bolts w'hich pass through felloe, wheel rim and expanding ring. 

 The Republic rim has a locking ring which fits over the turned- 

 down edge of the base-plate and the heel of the removable Mange. 



