US1012307A - Plow. - Google Patents

Description

H. WEIGAND.

PLOW.

APPLICATION FILED NOV. 19. 1mm.

1,012,307, Patented. Dec. 19, 1911.

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UNITED STATES HENRY WEIGAND, OF AURORA, NEBRASKA.

PLOW.

Specification of Letters Patent.

Patented Dec. 19, 1911.

Application filed November 19, 1909. Serial No. 528,972.

lb all whom it may concern:

Be it known that I, HENRY lVEIoAND, a citizen of the United States of America, residing at Aurora, in the county of Hamilton and State of Nebraska, have invented new and useful Improvements in Plows, of which the following is a specification.

This invention relates to plows, and it has particular reference to an improved cutting attachment which may be appllecl to the share of an ordinary plow to directly engage the soil and cut into the latter, thus performing the function usually performed by the share proper.

The object of the invention is to provide a device which may be conveniently attached and detached and which when mounted upon the plow shall be held securely against displacement when the plow is in operation.

A further object of the invention is to provide a cutting attachment which shall be self-sharpening so that as'long as it remains upon the plow there shall be no necessity for sharpening the same.

A still further object of the invention is to provide a cutting attachment which when worn out may be very readily detached; said device being of simple and inexpensive construction so that anew one may be applied to the plow with little trouble and expense.

Still further objects of the invention are to simplify and improve the general construction and operation of a device of the character outlined above.

With these and other ends in View which will readily appear as the nature of the invention is better understood, the same consists in the improved construction and novel arrangement and combination of parts which will be hereinafter fully described and particularly pointed out in the claim.

In the accompanying drawing has been illustrated a simple and preferred form of the invention; it being, however, understood that no limitation is necessarily made to the precise structural details therein exhibited, but that changes, alterations and modifications within the scope of the invention may be resorted to when desired.

In the drawin 'Figure 1 is a perspectlve view, showlng a conventional plow equipped with the improved attachment.

Fig. 2 is a perspective rear view, showing the plow share and point to which the improved device has been applied. Fig. 3 is a perspective view, showlng a plow share and point constructed to receive the improved attaehment. Fig. 4 is a perspective view of the improved cutting device, detached. Fig. 5 is a transverse sectional view taken on the plane indicated by the line 55 in Fig. 4. Fig. 6 is a transverse sectional detail view taken on the plane indicated by the line 6-6 in Fig. 2.

Corresponding parts in the several figures are denoted by like characters of reference.

The improved cutting attachment A is composed of a thin blade (5 of fine steel interposed between two outer layers 77 of relatively soft metal, such as iron; it being understood that the central blade is to be composed of finely tempered steel, while the outer layers may be composed of any relatively soft metal which may be united with the steel by welding or in any other suitable manner. The lower edge of the blade 6 is made to project very slightly beyond the outer layers to form a cutting edge 8. The cutter A is formed with an outstanding flange 9 which is connected with the body of said cover intermediate the upper and lower edges thereof, said flange being disposed in an inclined position with reference to the front edge 10, said flange diverging from the point 11 in a downward and rearward direction. Headed pins or studs 12 are secured at suitable intervals adjacent to the upper or rear edge of the cutter.

The share B which is'connected in the usual manner with the mold board G of an ordinary plow is provided at its lower front edge with rearwardly inclined notches 13, and the plow point 14 is provided with an inclined notch 15 for the reception of a pin or bolt 16 which connects the flange 9 with the body of the cutter 8. The share may also be provided with a shoulder or offset 17, best seen in Fig. (3, extending from heel to point to form a seat for the improved cutting attachment.

Any low of ordinary construction may be provlded for the use of the improved cutting attachment by forming the share and point with the shoulder or offset 17 and with the inclined notches 13 and 15. To apply the improved cutting attachment, the plow point 14 is inserted into the space or socket between the body A and the flange 9, where it fits snugly, the pin or bolt 16 being slipped into the notch 15, while the headed pins 12 are guided into engagement with the inclined notches 13. When the device is thus applied a smooth exterior surface will be presented by the front edge 10 ofthe cutter A,.the edge lO' of the flange 9 associated with said cutter and the point 14 of the share B inserted therebetween, and the de vice A Will form the dirt-engaging cutter.

It is obvious that when the plow 1s set in the ground to turn the furrow, any strain in a forward direction will tend to tighten .from wear, and the attachment A when worn to such an extent as to be no longer effective may be readily knocked off by a blow upon its heel end and 'be thus detached from the plow, enabling a new one sharp to be substituted. The simpliclty and inexpensiveness of the improved attachment enables such substitution to be made at a trifling expense, and no time will be lost and no expense be incurred for the purposeof sharpening the plow, as is now frequently required.

Having thus described the invention, what is claimed as new, is: i

A plow share having a shoulder forming a seatv extending from heel to point and provided w'ith rearwardly inclined notches, one of which is formed at the extreme forward point of the share, in combination with a cutting attachment having headed members to engage said notches, said cutting attachment being formed with a flange connected therewith intermediate the upper and lower edges thereof, diverging outwardly and upwardly and forming a seat snugly engaging the forward point of the share, and a pin connecting said flange with the body of the cutting attachment, said pin being adapted for engagement with the notch formed at the extreme forward point of the share.

In testimonywhereof I aflix my signature in presence of two witnesses.

HENRY WEIGAND.

Witnesses: I FRANK Co'YKEnoALL,

J.- A. ISAMAIL

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