US910904A

US910904A - Sieve for fanning-mills.

Info

Publication number: US910904A
Application number: US43665408A
Authority: US
Inventors: Thomas Chipera
Original assignee: Individual
Current assignee: Individual
Priority date: 1908-06-04
Filing date: 1908-06-04
Publication date: 1909-01-26
Anticipated expiration: 1926-01-26

Description

T. GHIPERA. SIEVE FOR FANNING MILLS. APPLICATION FILED JUNE 4, 1908.

Patented Jan. 26, 1909.

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SIBVE FOP. FANNIN G MILLS. APPLICATION FILED JUNE 4, 1908.

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SIEVE FOR FANNING-MILLE.

Application filed June 4:, 1908.

To all whom it may concern:

Be it known that I, THOMAS OHIPERA, a citizen of the United States, residing at Breckenridge, in the county of i Villrin, State of Minnesota, have invented certain new and useful improvements in Sieves for Fanning Mills and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to sieves for fanning mills, and has as its primary object to improve the efliciency of such devices.

In the sieve embodying my invention there is provided a stationary frame and a frame mounted within the stationary frame for reciprocatory movement and in the stationary frame are j ournaled peripherally grooved rollers, there being wires strung in the reciprocatory frame and traveling in the groove in the rollers the grooved rollers serving to hold the wires in spaced relation at all times. In addition to this feature of the invention, the Wires are alternately of large and small diameters so that as the grain is discharged upon the reciprocatory frame and of course upon the wires, it will be stood on.

end and itsseparation be had with a greater degree of fineness and in a more perfect manner than if the wires were all of the same diameter.

In the accompanying drawings, Figure 1 is a top plan view of the sieve embodying my invention, Fig. 2 is a side elevation thereof, Fig. 3 is a vertical longitudinal sectional view therethrough, Fig. 4 is a vertical transverse sectional view taken in a plane with one of the peripherally grooved rollers, Fig. 5 is a detail perspective view of a portion of one of the peripherally grooved rollers and several of the wires.

As shown in the drawings, and as heretofore stated, the sieve embodying my inven tion comprises a main frame and a reciprocatory frame and themain frame is made up of side sills 10, and an end cross sill 11, the said sills serving to connect the upper ends of the side sills, and an end board 12 secured at its side edges to the underside of the side sills 10 adjacent their lower ends. A cross sill 13 also connects the lower ends of the side sills and at its lower edge rests upon the upper face of the end board 12 it being understood that the said end board, the said fipecification of Letters Patent.

Patented Jan. 26, 1909.

Serial No. 4=36,65.

form a box or receptacle into which the wild oats is to discharge.

Mounted for rotation in the main frame of the sieve and transversely thereof are rollers 14 and each of these rollers is formed with a plurality of peripherally extending grooves 15 the said grooves being of such number as to extend practically throughout the entire length of the rollers. The function of these rollers will presently be more specifically stated. Secured to the outer side faces of the side sills 10 of the main frame of the sieve are guide plates 16 the said plates being eX- tended above the upper faces of the said side sills and serving to guide, between them, the supplemental or reciprooatory frame of the sieve which will now be described.

The reoiprocatory frame mentioned above comprises side sills 17, a cross sill 18 which connects the lower end of the said side sills, and a cross sill 19 which connects the side sills 17 at their upper ends. A sheet metal plate 20 is secured at its side portions beneath the rear end of the side sills 17 and this plate is extended forwardly between the under side of the said side sills and the cross sills 19 which connect the upper end of the said side sills, the rear edge portion of the plate being bent to extend vertically as indicated by the numeral 21. Strung longitudinally in the reel procatory frame are

wires

22 and 23 the wires 22 bein alternated with those of the series 23 and oeing of less diameter than the wire 23 these wires being spaced a slight distance apart as to permit cultivated grain to fall between them. The under side of the wires 22 and the wires 23 are in a common plane and as a consequence an uneven upper or top surface is the result it being understood that when grain is deposited upon the wires and the reciprocatory frame reciprocated, the grain will be turned to lie longitudinally of the frame and the cultivated grain will fall between the wires and into a suitable receptacle arranged beneath the frame of the sieve. The wild cats will travel down the Wire and fall over the lower end of the reciprocatory frame and into the receptacle formed by the side sills of the main frame, the lower cross sill thereof, and the cross board 12.

In the drawings I have shown merely the sieve embodying my invention and have omitted any showing whatsoever of the mill in which the sieve is arranged and also the cross sills and the lower end of the side sills 1 means for reciprocating the supplemental frame of the sieve as such construction would only be confusing and forms no part of my invention, it being understood of course that the sieve illustrated and destrung in the reciprocatory fr me, said wires being alternately of large and small diameter, the under sides of the strands of wire being in a common plane, and means to actuate the reciprocatory frame.

2. A sieve for fanning mills comprising a stationary frame, a reciprocatory frame mounted in the stationary frame, wires strung in the reciprocatory frame, said wires being alternately of large and small diameter, the under sides of the strands of wire being in a common plane, rollers supporting said j V 3. A sieve for fanning mills comprising a stationary frame, a reolprocatory frame mounted 1n the statlonary frame, wires strung in the reciprocatory frame, said wires being alternately of large-and small diameter, rollers supporting said wires provided with grooves of alternate large and small radius and having their bottoms in a common cylindrical surface whereby the wires are supported in a common plane, and means to actuate the reciprocatory frame.

In testimony whereof, I affix my signature, in presence of two witnesses.

THOMAS CHIPERA.

Witnesses:

P. E. TRUAX, P. F. GERGEN.