. Farm machinery and farm motors. s considered a good thing to have on a mill. Divided hopper.—It is often desired to grind at leasttwo kinds of grain at a time. To accomplish this adivided hopper is provided. Safety device.—It often occurs that some hard sub-stance, as a nail or a nut, becomes mixed in the grain andis placed in the mill. The safety device is a woodenbreak pin or spring catch, which permits the buhrs toopen without damaging the mill. The quick release is for the same purpose as the safetydevice, but is operated by hand. By its use the machinemay be prevented from clogging when
. Farm machinery and farm motors. s considered a good thing to have on a mill. Divided hopper.—It is often desired to grind at leasttwo kinds of grain at a time. To accomplish this adivided hopper is provided. Safety device.—It often occurs that some hard sub-stance, as a nail or a nut, becomes mixed in the grain andis placed in the mill. The safety device is a woodenbreak pin or spring catch, which permits the buhrs toopen without damaging the mill. The quick release is for the same purpose as the safetydevice, but is operated by hand. By its use the machinemay be prevented from clogging when heavily loadedfor any reason. 238 FARM. MACHINERY 337. Sacking elevators.—When desired, all larger ma-chines may be obtained with a sacking elevator, providedwith a divided spout, to which two sacks may be attachedat a time. While one sack is filling, the other may beremoved and an empty sack adjusted in its place. 338. The selection of a feed mill.—Feed mills for farmpurposes should have their frames constructed of cast. FIG. 178—A SECTIONAL VIEW OF A POWER MILL WITH DUPLEX BUHRS ANDCRUSHING KNIVES iron, in such a way that there is no binding in the bearingsand all bearings may be well protected from the buhrs should have a device to release them whensome foreign substance, such as stones, nails, nuts,etc., enters the mills. Besides this safety device theremust be another which is handy and will regulate the FEliD MILLS 239 buhrs in a manner so they may be opened or closedaccording to the fineness to which the grain is to beground. The buhrs should be attached to the shaft ormill in such a manner that they will not wobble and thusrub against each other under any condition device should also be made substantial enough andaccurate enough so the buhrs can be adjusted to almostany fineness and not interfere with each other. In a cornand cob grinder which is driven by a belt or tumblingrod, the hopper should be divided and should have a feedregulat
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