USRE6856E - Improvement in grain-conveyers - Google Patents

Description

H. 1. cHAsE. P. E. cHAsE E E. D. CHASE. GHAIN-CUHVEYEH. NQ. 5,856. 1 Resisued Jan.11,1876.

' boxes; also, in providing the trough with a NITED STATES PATENT OFFICE.

HENRY `I. CHASE. PHILANDER F. CHASE, AND EDYVIN l). CHASE, CF

CHICAGO, ILLINOIS.

IMPROVEMENT IN GRAlN-CONVEYERS.

Specilicatiou forming part of Letters Patent No.138,99-l, dated May 20, 1873 reissue No. 6,228, dated January 12, 1875; reissue No, 6.856. dated January 11, 1876; application tiled December 31, 1875.

To all whom 'it may concern:

Be it known that we, HENRY I. CHASE, PHILANDEE F. CHASE, and EDWIN D. CHASE, of Chicago, in the county of Cookand State of llliuois, have invented certain new and useful improvementsD in Spiral Grain-Conveyor Flights; and we do hereby declare that the following is a full, clear, and exact description thereof, that will enable others skilled in 'the art to which it appertaius to make and use the same, reference being had to the accompanying drawings and to the letters of reference marked thereon, which form a part of this specication.

Figure l is a longitudinal sectional eleva; tion of our improved grain-conveyer; Fig. 2, an end view; Fig. 3, a View showing a section of the conveyer-ight cut in the arc of a circle from sheet metal; and Fig. 4, a perspective view of the same section, showing its .spiral form.

Like letters in all the figures of the drawings indicate like parts.

This invention consists of a continuous spiral grain-conve Ter, having the journals of its shaft arranged in journal-boxes suspended from the upper part of a couveyer-trough or other place by means of adjustable brace-rods, so as to allow a free passage to the gra-in along the bottom of the trough, the said rods being arranged so that they canbe adjusted to keep the conveyor centrallyr in the trough; also, in adjustable keysV provided with oilpassages, in combination with cross-braces attached to the sides of theconveyer-trough and the journalboxes, so as to keep the covers of the said journal-boxes down in place, aud at the same time furnish convenient means for oiliug the or yield enough to allow au obstruction to pass that maybe met with in the conveying of the. grain through the trough, as will be hereinafter more fully explained.

A is the continuous spiral grain-conveyer, having the journals c at each end of its shaft arranged in the journal-boxes B, suspended from the cross-braces C by means ot' the rods or braces b b, having their lower ends attached to the ends of the journal-boxes, and their upper ends passed through the cross-braces, and provided with screw-threads to receive the screw-unts 'c c. The sa-idcross-braces are made to embrace the sides of the conveyertrough lirinly, so as to prevent thctrough from spreading. l) Dare the keys, having au oil-passage through the center of each. The lower end of each key rests in a recess, c', inthe cover of each journal-box, the upper end passingrthrough the cross-brace C, and secured' firmly thereto. In case the crossbraces should be dispensed with, the keys will be screwed into the covers of the journalboxes. The trough is lined with polished sheet metal, and provided with a door, E, through which the grain is discharged.

The conveyer-ight A is nia'le in sections of sheet metal, each section F being cut in the' arc of a circle (see Fig. 3) and provided with ears d, which are turned up alternately on opposite sides, having holes in them, by which they are fastened around the shaft with screws or nails.' Each section, when thus cut out, with its ears duly cut and punched or drilled with screw or nail holes for attaehin g them to the shaft, is made to conform spirally to the shaft and stand out at right angles when attached thereto. (See Fig. 4.) The several sections are attached to the shaft, forming one continuous liight, which serves as acoutinuous band or ligature t0 stiften and strengthen the shaft, and to prevent its splitting when heavily worked. The flights tnus formed of sheet metal can be made cheaper than those of cast-iron, and are more durable, and when an obstruction gets into the conveyer-trough, such as a piece of iron or wood, they will not break oft' and endanger all the other ghts polished metalliclining, in combination with the couveyer, so as to facilitate the conveying ot' the grain. through the trough, the bottom thereof being provided with a door, through which the grain is discharged; also, in the construction of the conveyer-tlight iu sections of sheet metal, eachy section being made to conform to a spiral shape, and attached so as to form one continuous flight when attached to the shaft, so that the said ight will bend i on the shaft, and thereby cause an inconvenveyer, the bend be p so as to counteract any ience in the h often the cas will bend or struction to pass, or hindern-nce to taking the -ight he operation \con "eyers su tom of the t the pillars, and will mix wi grain handled in the sa causing great inconvenien but by suspending the co of the trough no impedi free passage of the gra The adjustable hraccsc ered on either side to conveyer rigidly in the is as follows ce to the grain upon one side conVej'er-shaft, thus facil of the grain through the conve) furnish convenien nal-boxes, top of the andling of the grain, asis very e with cast-iron flights; but they vield sufleiently to allow the obthus avoiding all stoppage the other parts of the coning straightened ont without or flights oli' from the shaft.

: With those pported by pillars set iu the botrough the grain settles around th other kinds of.` me conveyor, thus theoperator nveycr from the top ment is ollered to a inthrough the same. an be raised or lowkeep the shaft of the center of the trough, unequal pressure of or the other of the itating the passage t means for oiling the oil-entrance beinga trough andA ont of the Way of` the The keys the jourbove the grain, and at the same time they hohl the cov ers ofthe boxes in pl iary stays or braces boxes.v y

Having,r thus fully described what we claim therein as new, secure by Letters Patent, is-

l. The continuous spiral grains of its shaft journal-boxes suspended from the having,r the journal veyer-trough by means of brace ace, and also act as auxilfor supporting the journaL our invention,

and desire to conveyer, arranged in top of a conrods, so as to pose set forth.

allow a free passage of the bottom of the trough, sub forth.

2. The combination of the adjustable keys D D, journal-boxes B B, and spiral grain-couveyer shaft, substantially as and for the purstantially as set 3. The combinatie C, adjustable suspension-rods b b, journalboxes B B, screw-nutsc c, adjustable keysD D, journals Va aof conveyer-shaft, and conwf. f;fftrougli, substantiall f as set forth.

4'. 'The conveyer-trough having a polished sheet-metal lining, and provided with the door E, in combination with the continuous spiral grain-conveyer A, substantially as set forth.

sections of sheet metal, each section being' made to conform to a spiral shape, so attached as to form one continuous ight around the shaft, substantially as and for the purpose 'set forth.

6. The grain-conveyor llighttonstructed in sections of sheet metal, each section being cut in the are of a circle having ears or lugs turned up alternately ouopposite sides, and made to conform to a spiral shape, and attached around the shaft, substantially as set forth.

In testimony that weclaim the foregoing we have hereunto set our han December, 1875.

' -HENRY I. CHASE.

PHILANDER F. CHASE. EDWIN D. CHASE.

L Witnesses:

' A. B. CAPRON, l; HENRY G. Cluse.

`grain along the n of the 'cross-braces C 5. A grain-conveyer flight constructed in ds this 1st day of i

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