228 



FARM MACHINERY 



house sheller, which will not be considered here. Only 

 portable shelters will be discussed. One will be called 



the spring sheller, and the other 

 is the well-known cylinder 

 sheller. 



318. The spring sheller. This 

 term may not be generally ac- 

 cepted, although it is a name ap- 

 plied by several manufacturers 

 to the sheller whose shelling 

 mechanism consists in picker 

 wheels, bevel runners, and rag 

 irons, held in place with springs. 

 This type of sheller is illustrated 

 in Fig. 172. It is also called the 

 "picker" type of sheller. The 

 parts mentioned which come in contact with the corn 



FIG. 171 A ONE-HOLE HAND 

 SHELLER 



FIG, 172 SHELLING MECHANISM OF THE PICKER OR SPRING SHELLER. 

 A, FEED CHAIN ; B, C, BEATERS ; D, F, PICKER WHEELS J 



E, BEVEL RUNNER; G, RAG IRON; H, SPRING 



