US1804399A - Elevating grader - Google Patents

Description

May 12, 1931. P. c. @Le 1,804,399

ELEVATING 'GRADER Filed ot. 7. 1929 2 sheets-sheet 1 May 12, 1931.- P. C LHCQLE 1,804,399 ELEVATI'NG GRADER Filed Oct. 7. 1929 2 Sheets-Sheet 2 R C. Cole Patented Mayv 12, 1931 PERRY C. COLE, GF'GLAY CENTER, KANSAS nLEvA'riNG Giannina pplcaton filedA October 7,

My invention relates to elevating` graders, the present invention being in the nature ci' an improvement of the grader described 1n my prior Patent No. 19,698,152, granted January 8, 1929.

The primary object of the invention is the provision of a grader for receiving loose soil from a windrow-and for elevating this soil during the forward movement of the grader l@ and for delivering it to a transverse conveyor from whence the soil may be deposited either on theground at the side of the elevating grader or into wagonsjtravehng at A K the side ofthe grader.` 1 i `Another of my objects is the provision vof a device of [the r'character specitied'having simple means for driving the transverse conveyor.' i

n One of the important objects of' the' inveni tion is the provision of a transverse yconveyor which is reversiblesothat the soil may be delivered at either side of the elevating grader. f f Having in view these objects and'others which will be 4pointed out in the following descriptiom I willnow refer tothe drawings, in vWhichf Figure l is a viewin sideelevation ofthe elevating grader,` ycertain `portions being shownin section. f i `f `Figure 2 is a vertical sectional 'view through the elevating grader, the section loeing taken at right angles to the view 1n Fig-y ure 1. l

Figure 3 is a View in perspective showing theV shifting device for reversing the movementof the transverse conveyor. y

Figure' 4 is a plan View of afragment of the mechanism for driving the transverse conveyor. I The frame ofthe elevating grader includes two-pairs of vertical members 10 'and 1p1 and' two pairs of horizontal members'12 and 18. The members *10,l 11, 12 and 13 are equal in length so that they form a perfectV square.

At each corner of the frame yisafianged pulley wheel or roller 14." Thetwo squares are spaced apart as shown in Figure 2 and 'they are *bracedV apart vby means ofjbraces V15.

Each square is further .provided -with the 192e.` serial No. 398,079.3'.

braces 16 and 17, the latter brace projecting fciwvardr to constitute a support. The braces 16 and 17 are bothhoriZontal and the squares are further braced by means of the inclined braces 18 extending from the extremities of the brace 16 to an intermediate point in the brace 17.

The elevating drum includes two spaced aparty langedf disks 19 having horizontal lianges7 the disks being centrally apertured throughout the vlarger portion of their diameters. The horizontal flanged portion of each disk has secured thereto a track 20 for the iianged rollers 14. As shown inFigure 2, the horizontal flanges 'of the disk ride on the surface ofthe soil. The vertical portions of the two disks 19 are spaced apart as shown iii-Figure 2 and the space between the two disks is "',utilized for mounting the radial plates 21. These plates are secured to shafts 22 having bearings in the vertical portions of the disks 19. The opposite end portions of shafts are :bent as shown in Figure 2 vinto the direction of thel plates 21 with the issecured to the frame of the machine by means of `braces such as those shown at 26 and 27.y The forward end of the curved plate 25 is inclose proximity with the surface of the soilbut it is slightly `above the point of Contact Lof the horizontal portions of the disks 19 with'the surface of the soil.` 'y

F or conveying the soil into the path of the elevating grader I -employ a scraper This is preferably in the form of two rScrapers which 'converge towardthe rea-r and which "i tend to deposit the loose soil in the form of windrow. The scraper -28 is secured to a lever 29 which is pivotally secured to a brace 301on the frame.,y yThe pivotal connection between -the'lever 29 andthe brace 30 is sufciently near the center or anis of the elevating grader so that the scraper 1s substantially concentric with the elevating grader regardless of its adjustment. YThe adjustments of the scraper may be made by means of any suitable device such as the chain 3l, the free end of which is within convenient reach of the operator. Y

It will be apparent from the foregoing description that the soil which is deposited in the form of a windrow by means of the scrapers 28 will be immediately picked up by the elevating grader. This soil -willbe prevented by the curved plate from falling out during the first part of its movement. During the second quadrant of the movement the soil will be carried upward and inward until the inclination of the :plates 2l becomes such that'tlle soil will slide oli in an inward direction. Shields 32 are .provided for preventing the soil from falling out prematurely and these shields term'naterin slides 33 which constitute chutes for .the soil as it leaves the elevating device. The soil I., entering the elevating grader willV pass through smoothly unless it contains rocks .or large stones. `When such obstacles ,are encountered which are too large to .pass readily through the elevating grader, Vthe .plates 2l will yield under the action of the springs so that the stoneskor rocks `will be rolled by gravity'until they are .at the side of the elevatinggrader, after which the plates 21 resume their normal radialk position until another obstacle is encountered.

The object of the elevating grader is to deposit the soil at one side' or the other .of the machine. F or this purpose I have vprovided a transverse conveyor as best shown iny Figure 2. This transverse conveyor includes a rigid frame having sprocket wheels 3.4 at

its extremities. These two sprocket wheels ,34 are designed for the purpose of driving .an endless conveyor. Owing to the vload which the transverse conveyor is compelled to carry, l insert a number of idlers 35 Ybetween the upper and lower ends of the conveyor. The frame of the transverse Vconveyor is mounted in slides 36 so that it may be shifted to deliver t-l1e soil at either side of the eleva-ting grader. The slides 36 are provided with antifriction devices as best shown in Figure 1..

The mechanism for driving Vthe transverse conveyor includes a ringY gear v37 secured to one of the disks 19. The shaft 38'has two pinions 39 which are adapted to engage .the ring gear 37 the pinions 39 beingso arranged that only one or the other of them :may fbein engagement with the ring ,gear 37 ,at one-time. The shaft 38 drives a sprocket chain 40 which in turn drives the drive shaft 41 ofthe transverse conveyor, as shown in Figure 1 'andas shown in' greater detail in Figure 4. The shaft- 38 hasits bearings in arms 42 which are supported on ,the brace 302 As-s'howngin Ffigf Averse conveyor.

pivotally secured .tothe brace 30 in a manner such that its free end rests in the groove of the pulley 43. The opposite end portion of the lever 44 is provided with an actuating Amember 45 which 'extends to Within convenient reach from the operators position. It is evident that :the yactuation .of the rod 45 will .cause one orthe other yof the pinions 39 to engage the ring gear 37 `or the shaft 38 may be moved to neutral position so .that neither pinion A3.() would be in engagement with .the yring gear 37. `When one of the pinions 39 is `in lengagement `with the ring gear 3T the shaft will be positively driven in onedirection vor the other .andthis movement will r.transmitted through .the chain 40 to the shaft 4l Yas shown inF-igure 4.k The shaft 4l is provided witha driven sprocket 46 and with a driving sprocket 47 :the driving sprocket being in direct engagement with the sprocket `chain .of the ltransverse conveyor. Two idlers 48 are also provided for holding the sprocket chain of the transverse conveyor in intimate .contact with `the teeth `of the sprocket wheel -47 It is important thatthe'ftransverse Aconveyor be so arranged that it may deliver the soil at either side of the eleva-ting grader.

The transverse conveyor is provided with a brace-49 'extending from`end to end of the transverse .fconveyoryas best shown in Figure 2. This. brace is provided with a .plurality of apertures. `The shaft 41 and the idlers 48 together with the frame to which they are secured are lfixed so that they cannot partake of the sliding movement of the trans- The two `plates. 50 are a part off this frameand Vthey are both provided with apertured ears in direct contact .with the -lorace 49. :The apertures in thebrace 49 are so spaced that .two :of .the apertures may always be brought into registration with the Y apertures fin the ears vof the plates 50. In any position of adjustment of the transverse conveyor it is desirable that the transverse-conveyor be prevented from slidingon its Slidahle connections. This vis `accomplishedby inserting pins 51 through the registering .ap' ert-ures of the-earsof the pla-tes 5() and of the brace 49. In order toshift the transverse .conveyor lengthwise Ait is onlyin'eces- Sary Vto .-irst remove the-two pins 5I. to a move the Yshat 38 vinto Vnent-.ralV position fand ythen tdsl-idesthe 'transverse conveyor into v.the desired 'posi-tion after 'which 4the 'fpne 151 .ure

again inserted for holding the transverse conveyor in adjusted position.

In sliding the shaft 38 lengthwise it is necessary that the position of the sprocket chain a() be not disturbed. This sprocket chain is driven through the sprocket wheel 52 which is connected with the shaft 38. The connection between the shaft 38 and the sprocket Wheel 52 is such that the shaft is slidable in the sprocket wheel, as shown in Figure 3. In order to prevent the accidental shifting of the sprocket wheel 52 when shifting gears7 I provide a fork 53 which embraces the the upper portion of the drum, means oper-V ably connecting said shaft and said conveyor for driving the latter, and means carried by said shaft for moving said pinions selectively into and out of mesh with said ring gear.

2. An elevating grader including a ydrum to roll over` the surface of the soil, means on said drum for picking up loose soil and for conveying the loose soil to the upper portion thereof, a transverse endless conveyor in the upper portion of said drum" for receiving the loose soil from said drum and for delivering it at the side of said elevating grader, and means carried by said drum and said grader for driving said conveyor in either of two directions, said means including a ring gear carried by said drum, a shaft having two spaced apart pinions adapted to mesh with said ring gear at different times, means operatively connecting said shaft .and said conveyor for driving the latter, and means carried by said shaft for moving said pinions selectively into and out of ring gear.

In testimony whereof I aix my signature.

' PER-RY C. COLE.

mesh with said

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