US1171084A - Road-grader. - Google Patents

Description

E. E. BARRETT.

ROAD GRADER.

APPLICATION FILED AUG. 12. 1914.

Patented Feb. 8, 1916.

3 SHEETS-SHEET I.

I. Q \Q I 0. 5 I m \9 a w R? N s I I 1% Q N @uuemtoz Z1 LL53 EEBARHETT lm humus Twww W- v I arm THE COLUMBIA PLANOGRAPH co., WASHINQTON, D. c.

E. E. BARRETT.

ROAD GRADER.

APPLICATION FILED AUG- 12, 1914.

, Patented Feb. 8, 1916.

3 SHEETSSHEET 2.

I gmuewoz E EBARBETT THE COLUMBIA Pl ANOURAPH cm. WASHINGTON, D. c.

E. E. BARRETT.

ROAD GRADER. APPLICATION FILED AUG. 12, 1914.

Patented Feb. 8, 1916.

3 SHEETS-SHEET 3.

THE COLUMBIA l LANoulzAm-l 60-, WASHINGTON, D. c.

EDWARDE. BAnnErnfonsroKANEi Wi m gton,

Linnea.

A nam filed August 12,1914.- serial No. 856,447. r

ToaZZ whom zit may concern: V

Be it: known "that I, EDWARD BARRETT,

a citizen ofthe United Statesfresiding'rat Spokane, in the county of Spokane Land 7 State of Washington,have-invented certain new i and useful Improvements in Road-L' Graders, of which the it'ollowingis a speci-.- fication :reference being; bad to the accompanyingdrawings.

. This" invent-ion relates to new 7 and useful improvements in road drags and the primary object of the invention is to'pr'o'vlde an irnproveddevice' of this character which will effectively remove deep tracksand gul lies in a road and completely level the same.

to various. positions; as des' ired.*

, I AS11111 turtherobject of theinventiOnIife- 5' sides in providing a drag"wh ich"is'of com-1' pletely improved constructioniove'r the various other road grading devices heretofore known and a "still further object resides in 7 providing a device which issirnpleandduspecification and claims.

rigid bar of thedevice. (section therethrough as seen. on line 5 5 Fig. 4:. Fig. 6 is adetail persp ectivefview; 0 e sleeve e il j en s w in F gs, e

rable in construction," inexpensive to'manufacture and one'which will bet-very efiicient and useful in operation. 1 With theseand other objects in view, the

features iof invention consists in the novel constructlon, combinationQandj-arrangenient and more particularly pointed out' i'n' 'the In the accompanying,drawingsfform ing a part of this 'application, Figure Iis a planview ofa' device constructed-in accordance. with my invention. Fig. 2 is a longitudinal; section therethrough asiseen online 2+2 Fig. 1. Fig. 3 is a transverse section-there through as seen on line 3 3, Fig. '1. @Fig. s a. deta l transverse section through the} device disclosing the. connection between the Side longitudinal draw F g-5 is a vertical noAn-GRAnEn.- i

1 Specification ofpletter s Patient. is i PE W631 ..,P .lanymemnn; v 2 Dsposed n spaced relationgforward of. he bani, is. a maintransverse' draw Ibar 7,'- which is formed in sections and hinged 'one bars andlthe' rear 5 e I Lathe outer ends of'the sections of this ban? are the; longitudinal draw barsor rods; said latter. IOdSjOI'ibfll having direct c0n-' were withj ar hr e a lin con- 1 5. is a detailperspective;view

eeoii ebgs; 191e,.

showing the connection between'a tooth .bar'

of the longitudinal adraw bars. Fig. .8 is a 1. similar view showing the connection be- .tween'one of the levelersand a longitudinal draw loa-1'.,; Fig. 9 is acsectional:perspective view showing: the .means of connection 'bei tweenf'the sections. of the tooth bars; [10-"is a similarview, showing the connection between the leveler sections.

Idetailperspectiv'e view ofone'of the-tooth Fig, 511 is? a bars showing the manner of retaining-fa] at the 'rear 'e ndof the devicezm tooth-in position thereon..1-F ig..12 is'a bot "tom plan 1- view showing the? hinge I connec- 'tion between the sectionsofthe' transverse :draw' bar." FigJZ l3 is' j'a--section*{there through;-and Figalt is viewpartly in sectiong'sho'wflng the-"relation 1 of the long tudinaldraw 'hars with -respect V diagrammatic In describing my: invention, I shall refer tov thezjdrawings in which similar reference f-7 5. 1 throughout the several views and which f l'indicates *afltransverse. channel bar, the channel; portion of which is *Jfaced down- .wardly; fs'aid bar a pair of arms or rods-12 secured thereto and extending rearcharacters designatecorresponding parts wardly thereofliiand'secured'to the rear ends.

' of'the rods orliars 2; is. an additional trans-'- verse barB. These me bersne and' gforml snhstantiallyajfra meflfor'the real-end of my l g I improved device and-mounted to oscillate of parts as will be hereinafter referredito between thebajrs 1 and 3 "onfhorizontalf'axes,

which are rota taloly mounted the rollers 6.

barsfll "and 3 and are designed for pur- LTheSe 'frames with the rollers therein are '1" disposed on opposite sides of the long-itud'i v nal connecting rods or arms 2 between the setobe hereinafter [and .more particu fl I to the other asshownat 8 and connected to l nection indicated as 10. These longitudinal consists of four sections 13 13, 18 and 13 bars 9 are, as stated, connected with the outer sections of the drawbar 7 and con nected with the intermediate section of the mam draw-bar 7, through the medium of alink connection indicated as 11, are a plurality of additional draw bars or rods 12 arranged in pairs. I

Connected tothe longitudinaldraw bars 9 and 12, in a manner to be hereinafter set forth, are a plurality of tooth bars 13. These bars traversethe path of the main frame and are'of similar construction. Each which are freely connected to each other by 'rings 15 or equivalent fastening devices which are engaged in the terminal bracket 1st. -The sections of each bar are arranged -to define two adjoinlng Vs which arev trans versely .alined and are dlsposed with their .or similar vehicles. Thus it will be seen that the opposed outer bars of each V will scrape the dirt fromthe sides of the road and direct it lnwardly toward the ruts which are ordinarily present in roads, while the opposed inner sections of the two Vs -will scrape the dirt from the center of the roadand between 11 the ruts and'dire ct it outwardly to the ruts.

,In this manner my grader will efficiently act 7 to level the road and fill the wheelruts. It

is now to be noted that the corresponding sections of the several bars 13 are arranged in alinement with each other and in; parallel spaced relation so that the action of the first bar is duplicated by all of the succeeding bars.

These tooth bars which are formed of angular metal, facing forwardly, have one angular face thereof provided with a plurality of notches in which are disposed the harrow teeth 16, said teeth resting against blocks or the like 17 held withinthe faces of said bars tion with the tooth bars and it willbe seen that through this medium, the levelers may and U-shaped clamping members 18 extend through said blocks and through one face of the bars to clampsaid teeth in .positlon, as

clearly shown in Fig. 11 of the drawings. Through this medium, the teeth may be readily adjusted, with respect to the bars 13,

v as desired.

As abovestated, the bars 13 are connected to the longitudinal bars 9 and 12 and in carrying out this idea, angular plate-like members 19' are secured to the bars 13 at predetermlned' points thereon, each of said plate-like members being provided with an angular arm 20 which extends'above and below the faces of the bars. The upper end of this arm 20 is pivotally connected, as inl dic'a'ted at'21 to the longitudinal rod or bar,

while the lower end thereof has loose connection with a linking member 22. This link- Loosely connected-to the bar 1, cate'd at 81,at points. adjacent the ends of ing member is in turn adjustably connected, as shown at 28, with the longitudinal rod or bar to which the arm 21 is pivotally connected and at a point forward of said pivotal point. The connection between the bars 9 and 12. and the barslo, is the same and it will be seen that through the medium of this connection described and clearly shown in Fig. 7 of the drawings, the tooth bars may be adjusted to dispose the teeth carried thereon to various angles, whereby the earth may be engaged in various ways desired.

Disposed rearwardly of the plurality of tooth bars l3, are the leveling members 24k [which are also arranged in sections hinged one to .the other, the sections of which are disposedangularly to one another and parallel to the respective sections oftne tooth bars. These leveling members are formed of angular metal, the angle facing rearwardly and the depending face thereof being of greater length than the horizontal face thereof, as shown in Figs, 8 and 10 of the drawings. Secured to the upper ends of the sections arethe angular brackets 25 which are connected together by means of the ring member 26, thus providing a loose connection between the sections of the levelers.

Secured to the upper portions of the sections of the levelers, at predetermined points thereon, are theangular plate-like members v27'similar to the plate members 19, but facing oppositely thereto. These plate-like members 27 are also each provided with an inclinedarm 28 extending above and below the horizontal faceof the levelers and the upper end thereof. is pivotally connected as shown at 29 to theadjacent longitudinal bar. The-lowerend of the arm 28is loosely connected to alinking member 30, said latter member being adjustably connected, as the link 22, to said longitudinal bar,'but forward of the pivot point of. the arm 28. This construction is. substantially the same as the construction shown and described in connecbe' adjusted with respect to the longitudinal respect thereto. as indisaid bar, are the-arm's 32, which are inclined downwardly and outwardly. The rear ends of .the outer longitudinal draw bars or the like 9, are loosely connected to these arms 32, at points indicated as Loosely disposed through 0116139,? 1, adjacent its ends, are the sleeve-like members 3 1 and rods or the like 35 extendtherethrough, the lower ends of said rods being'loosely connected to the outer endsof the outwardly and downwardly inclined arms 32. "Encircling the rods 35 between the arms 82" and the lower ends of r the sleeve-like members 34, are the coil A pair of shafts 38 are mounted for oscillation in bearings 39 011 the bar 1, the

inner opposed ends of said shafts terminat ing at points on opposite sides of the longi-' tudinal center of the device and the outer ends of said shafts are provided with crankarms 40. 7 These crank arms having the linking members 41 pivotally connected to the outer ends of the same and the linking members in turn are pivotally engaged withv clamping arms 42 which are suitably engaged with the upper ends of the sleeve-like members34. Through this medium, it will be seen that by the partial rotation of the shafts 38 in one direction, the sleeves 34 may be forced downwardly against the tension of the springs 36, thus forcing the outer ends of the arms 32 downwardly and correspondingly forcing the longitudinal bars or rods 9 downwardly. The actuation of the shafts 38 is through the medium of the levers 43, which are suitably engaged with the inner opposed ends of said shafts, as clearly shown in Figs. 1 and 3 of the'drawings.

, lVhile the outer longitudinal draw bars 9 have a more or less direct connection with the rear rigid bar 1, the longitudinal bars 12, on the other hand, terminate slightly in advance, of said bar 1, as clearly disclosed in Fig. 2 of the drawings. It must here be stated that said longitudinal bars 12 areoffset intermediate of their ends, as indi-' cated at 44 and, in this manner the rear portions of said bars, 'to which the levelers are connected are in a plane slightly abovethe plane of the forward portions of the bars carrying the tooth bars. Carried on each of the bars 12, forward ofthe offset portion 44 thereof, is an upstanding projection 45 to which is pivotally connected the forward end of an arm 46, the latter extending rearwardly above and in alinement with said bars 12. The rear portions of the bars] 12 have pivotal connection with the arms 46 through the medium of the vertical connecting arms 47.

, There are, as shown in the drawings, two

pairs of longitudinal bars 12, and thearms 46 connected with the outer of said bars.

of the bar 1.

respect to the other. 7 sections of the tooth bars, as clearly dis-.

'tudinalbars12, which cause the tooth bars andleveler sections connected therewith to be forced downwardly into more effective engagement with the surface of the ground. v The bars or arms 46 connected to the inner longitudinalbars 12 "have their rear. ends .pivotally connected with a pair of addi-' tional crank arms 51 which are carried on the ends of an additional shaft52 mounted for oscillation; in bearings about centrally A lever-53 is connected to this shaft 52 whereby said shaft may be-oscillated in its bearings to actuate the'inner longitudinal bars 12, for effecting the same result as described in connection with the operation of the aforesaid levers 50.

Secured to the central portion of the bar therefrom, is a seat post 54, upon the outer endof which is mounted a seat 55 and this seat is disposed adjacent the levers 43, 50

and 53, so that the latter may be readily grasped and actuated by the driver of the device. Suitably connected to the central portion of the transverse drawbar 7,; are

formed through the constant driving of wagons and other vehicles in particular portions of the road. In orderto grade roads of this character, a particular construction must 'be provlded which Wlll remove the surface of the ground on both sides of these gullies, which have been formed, and apply the same to the gullies or tracks and at the same time smoothingthe roads so formed. In order to accomplish this result, I have 'provided the tooth. bars and levelers in sec tions which are connected together and each sectlon successlvely dlsposed at an angle with The corresponding closedin Fig. l of the drawings, converge in longltudinal llnes which approximately colnclde with tracks or gullles formed in the, road and-as the intermediate sections'of the tooth bars and levelers are directed rearwardly and outwardly, and as the outer sections thereof aredirected downwardly and outwardly, 1t Wlll be seen that as the device is propelled, the soil between the 1 and extending upwardly and'rearwardly tracks or gullies, maybe'removed and" di rected toward said tracks, whlle the soil out- I side of the tracks and gullies'may be directed inwardly toward the same. In this manner the tracks will be filled up to the level of the other portionsof theroads and the levelingbars 24 will smooth the soil so placed to an appreciable extent. The rollers in Fig. ,3 of the drawings.

6 follow the levelers at the portions where the tracks were previously formed and thus 7 pack the soil tightly at such points.

As the roads are usually formed convexly,

so as to effectively turn the same, I have constructed my device accordingly. 'The draw bar 7 is formed in sections so that the outer end sections thereof may be dropped somewhat downwardly according to the curvature of the roads and the tooth bars and leveler sections are loosely connected together to compensate for this curvature.

The rollers, being carried in frames, which are mounted for oscillation, may readily conform to this curvature, and the position of the parts of the device with respect to one'another when the device is in use can be readily observed from the showing made It will, of course, be understood that the positions of the leveler sections and tooth bars with re spect to the longitudinal bars may be adjusted as desired, through the adjusting links 22. In the operation of the device, it-

will be seen that in view of the particular yielding connection at the outer ends of the device, at which points obstructions are most liable to be made, the device will readily yield to any such obstructions found in the path of travel of the device. Should it be desired to force the harrow teeth and l the levelers-into more effective engagement with the surface of the ground, it is only necessary for the operator of the device to properly actuate the levers 43, and 53, which will obviously actuate the longitudinal draw bars 9 and 12 to accomplish the desired result.

Particular attention is now directed to the fact that the members 9 and 12 constitute, in reality, not only a means for independently adjusting the elevation of each end of each of the bar sections of the several longitudinal series of sections, but that they also constitute draft rods, hereby the grader is drawn over the ground. 7

From the foregoing it will be seen that I have provided a simple, inexpensive and efficient means for carrying out the objects of the invention and while I have particularly described the elements best adapted to perbars supported by the rods, ground treating implements carried by the bars, and means mounted upon the main frame for independently adjusting the several draft rods, whereby the elevation of the ground treating implements may be varied.

2. A road drag including a main frame, draft rods extending forwardly from the frame in parallel spaced relation to each other, movable crank arms connecting the rear ends of the draft rods to the main frame, a transverse draft bar connecting the forward ends of the draft rods, a plurality of bars carried by the draft rods, ground treating implements carried by the bars, and means mounted upon the main frame and connected to the crank arms for adj usting the draft rods, whereby the elevation of the ground treating implements may be controlled.

3. A road drag including a main frame, a plurality of draft rods extending forwardly from the main frame in parallel spaced relation to each other, movable crank arms connecting the rear-ends of the draft rods to the main frame, adjustable means controlling the position of the crank arms, for

retracting the draft rods or projecting them, and a plurality of ground treating implements carried by the draft rods, the elevation of the ground treating implements, with respect to each other being controlled by the said adjustable means.

A road drag including a main frame, draft means therefor, a plurality of ground treating implements, and a plurality of bars supporting the implements, said bars being disposed in advance of the main frame, each of said bars consisting of a plurality of freely connected angularly related sections arranged to define two forwardly opening Vs, which lie on opposite sides of the center of the drag and are adapted to cause the ground treating implements to direct the dirt on the road, outside of the ruts therein, inwardly toward the ruts and the dirt in the center of the road between the ruts, outwardly toward the ruts.

5. A road drag including a main frame, a

plurality of ground treating implements, 7 and a plurality of bars carrylngthe implements, said bars being disposed in advance of the-.main frame, each of said bars consisting of four freely connected sections, said sections being arranged to define two transversely spaced, forwardly opening Vs, tl e llO of the main frame, each of said bars consist-' ing of four freely connected sections, said sections being arranged to define two trans-' versely spaced, forwardly opening Vs, the

apexes of which are adapted to move along I the road over the ruts therein, whereby a di- F agonally disposed section is located on each side of each rut, for scraping the dirt from the sides of the road and from the center portion thereof and directing it into the rats, the corresponding sections of the several bars being arranged in parallel rela- 15 tion to each other.

In testimony whereof I hereunto affix my signature in the presence of two witnesses. EDWARD E. BARRETT.

Witnesses:

J OHN J. RICHARD, THERESA O. RICHARD.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.

' Washington. D. G.

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