US738671A - Harrow. - Google Patents

Description

No. 738.671. PATENTED SEPT. a, 1903. J. F. FULKBRSON.

a HARROW.

APPLICATION IILBD JAN. z, 1903.

, N0 MODEL.

blades at the other side [MTE STATES Patented September 8, 1903.

HARROW.

SPECIFICATION forming part of Letters Patent No. 738,671, dated September 8, I903.

. .hpplioation filed January 2, 1903. Serial No. 1 37,502. (No model.)

To all whom it may concern.-

Beitknown that I, J AMES FREDERICK Fun KERSON, a citizen of the United States,residing at Oxnard, in the county of Ventura and State of California, have invented a new and useful Harrow, of which the following is a specification. T

This invention relates to that class of harrows in which thedevices for Operating upon the soil consist of sharp-edged blades secured to the under side of a. frame and twisted so as to present inclined cutting edges, said cutting edges being not only vertically inclined, but also laterally inclined, the blades at one side of the center of the machine being set so as to extend in adirection opposite to the of the center of the machine; I

My invention has for its object to provide a device of this class which shall possess superior advantages in point of simplicity, durability, and general efficiency.

With these ends in view the invention consists in the improved construction, arrangement, and combination of parts which will be hereinafter fully described, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a top plan view of a harrow constructed in accordance with the principles of my invention. Fig. 2 is a bottom plan view of the same. Fig. 3 is a side elevation showing my improved implement in: operative position with the teeth engaging the ground and also with dotted lines indicating the position when the frame is tilted, so as to raise the blades or cutters from the soil. Fig. 4 isabottom plan view illustrating a modification.

Corresponding parts in the m several figures are indicated by similar characters of referonce.

The frame of my improved harrow consists of a base-beam 1, to the front edge of which is secured an upwardly-inclined flange-beam which cooperates with the base-beam to constitute what might be termed a rocker.

tended rearwardly to support a seat 6, which is located in rear of the rear edge of the baseboard. The base 5 is extended rearwardly beyond said seat, so as to form a lever 7,by means of which the frame may be manipulated.

The blades or cutters of my improved harrow are composed of steel bars of suitable dimensions having the horizontally-disposed front ends 8,which are fitted against the under side of the base-beam, from which the blades 9 project rearwardly,sai d blades being formed by twisting the steel bars so as to form the shanks 10. The blades 9, it will thus be observed, are thus disposed at an angle to the butt portions or handles 8, whereby they are attached to the frame. The said blades are furthermore disposed in a horizontal plane lower than that occupied by the handles 8, the difference being equal to the height of the shanks. Said blades are furthermore disposed at an angle to the horizontal plane occupied by the handles 8 and by'the under side of the frame of the machine.

In practice I prefer to use two sets of blades extendiu g laterally in opposite directions, the central blades being set closely together at their point of attachment, as will be clearly seen in Fig. 2 of the drawings, so that the blades will extend laterally and outwardly from their respective points of attachment. The arrangement, however, maybe varied, as shown in Fig. 4, by reversing the position of the blades on opposite sides of the center, when the blades will extend laterally in an inward direction from their respective points of attachment. In either casethe operation will be practically the same; but when the blades are arranged as illustrated in Figs. 1 and 2 of the drawings I prefer to arrange be tween the two center blades a vertically-disposed knife or cutter, as shown at 11, which serves to cut and divide weeds and rubbish which might otherwise exhibit a tendency to become entangled with the said central blades. The lower edges of the blades, as well as the front edges of the shanks, are,however, sharpened, so that weeds, rubbish, and trash of any kind encountered bythe device may be readily cut, so as not to interfere with the operation of the device to any material extent.

The handles or butts of the several blades are secured to the under side of the beam 1 by means of vertical bolts 12, provided at their upper ends with nuts 13. These bolts are arranged near the rear ends of the butts or handles, and the latter are secured near their front ends by means of clips 14:, the arms of which extend through suitable perforations in the base of the frame and are provided with nuts 15. By this construction the blades of the devices will be held with a great degree of security and with much less tendency to break than if the butts or handles were perforated for the reception of a second bolt near their front ends. By the arrangement shown and described the butts or handles will be securely supported against any strain that may be exerted upon them, as will be readily understood.

The operation of my improved device will be readily understood from the foregoing description, taken in connection with the drawings hereto annexed. Ordinarily the frame of the device forms a drag that engages the surface of the soil into which the blades constituting the cutters are forced by the Weight of the frame,assisted by the weight of the driver, who may occupy the seat 6. Should it be desired to tilt the device in order to throw the blades out of engagement with the soil, this may be effected by the driver placing his feet against the front cleat or flange 2 and catching hold of the lever 7, throwing his weight in a forward direction. This position of the device has been illustrated in dotted lines in Fig. 3 of the drawings. The device may also be conveniently regulated by the driver so as to cut into the soil to any desired extent.

Should it be deemed desirable or necessary, the frame may be additionally supported by means of wheels which may be mounted upon a suitably-disposed axle. Supporting devices of this nature, however, being well known in the class of agricultural implements to which my invention relates it has been deemed unnecessary to illustrate the same in the accompanying drawings.

I have in the foregoing described a simple and preferred form of my invention; but I desire it to be understood that I do not limit myself to the precise construction and arrangement of details herein shown and described, but reserve the right to any changes, alterations, and modifications which may be resorted to without departing from the spirit and scope of my invention or sacrificing the utility of the same.

Having thus described my invention, I claim,

1. In a device of the class described, a dragbeam, an upwardlyinclined flange at the front edge of the same, braces upon the dragbeam, near the ends thereof and serving for the attachment of the inclined flange, braces upon the drag-beam near the center thereof and serving for the attachment of the flange, said braces being also extended rearwardly, one of them forming an operating-lever, a seat supported upon the rearwardly-extending portions of said central braces, and cutting devices secured to the under side of the drag-beam.

2. In a device of the class described, a rocking frame constituting a drag, cutting devices secured to' and extending rearwardly from the under side of said frame, a seat supported above and in rear of said frame, and a lever extending rearwardly from said seat.

3. In a device of the class described, a rocking frame constituting a drag, cutting devices secured to the under side of said drag and having laterally and outwardly extending blades, and an auxiliary cutter disposed between the two central cutting devices and extending rearwardly between the laterallyextending blades of said central cutting devices.

4;. In a device of the class described, a rocking frame constituting a drag, a plurality of cutting devices secured to the under side of said drag and consisting of horizontally-disposed butts, downwardlyextending twisted shanks and laterally and outwardly extending inclined blades, and an auxiliary cutter disposed between the two central cutting de-v vices, said central auxiliary cutter being secured to the under side of the frame.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two witnesses.

. JAMES FREDERICK FULKERSON. lVitnesses:

H. M. STAIRE,

J. M. STAIRE.

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