. Farm machinery and farm motors. 172—SHELLING MECHANISM OF THE PICKER OR SPRING , FEED CHAIN; B, C, BEATERS; D, F, PICKER WHEELS; E, BEVEL runner; G, rag iron; H, spring CORN MACHINERY 229 are made of chilled iron and are very hard. The tensionon the rag-iron springs may be adjusted and should becapable of individual adjustment when necessary. Themost important advantage of the spring sheller is that itleaves a whole cob. It is especially desirable to havewdiole cobs where they are used for fuel. 319. The cylinder sheller.—The shelling mechanism ofthe cylinder sheller is shown in Fig
. Farm machinery and farm motors. 172—SHELLING MECHANISM OF THE PICKER OR SPRING , FEED CHAIN; B, C, BEATERS; D, F, PICKER WHEELS; E, BEVEL runner; G, rag iron; H, spring CORN MACHINERY 229 are made of chilled iron and are very hard. The tensionon the rag-iron springs may be adjusted and should becapable of individual adjustment when necessary. Themost important advantage of the spring sheller is that itleaves a whole cob. It is especially desirable to havewdiole cobs where they are used for fuel. 319. The cylinder sheller.—The shelling mechanism ofthe cylinder sheller is shown in Fig. 173, and is describedby the manufacturer as follows: The shelling cylinderis made of heavy rods of wrought iron placed equidistant,. FIG. 173—SHELLING MECHANISM OF CYLINDER SHELLER presenting a corrugated surface which cannot wearsmooth. Within this a revolving iron cylinder withspiral vanes threshes the corn against the surfaces of therod cylinder. The vanes approach the rods sufificientlyclose to keep every ear in rapid motion, shelling one earor one bushel with the same facility. A regulator at thedischarge end places the machine within control of theoperator. The spaces between the rods allow the shelledcorn to escape freely, thus lessening the draft, relievingthe cylinder from clogging and from all liability to cut or 230 FARM MACHINERY grind the grain. The cylinders are made adjustable tosuit various sizes of corn. 320. Self-feeder.—The purpose of the self-feeder is tocarry the ears to the shelling mechanism. The springshellers are provided with feeder chains, which carryteeth to end up the ears and carry them directly toeach set of shelling wheels, or to each hole, as it is n
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