US2431639A - Interlocking reconditioning blade for plowshares - Google Patents

Description

Nov. 25, 1947. v. B. GOEDKEN 2,431,639

INTERLOCKING RECONDITIONING BLADE FOR PLOWSHARES 2 Shets-Sheet 1 Filed March 23, 1945 1 RN hN V5.606JZ'9 72 Nov. 25, 1947. v. B. GOEDKEN INTERLOCKING RECONDITIONING BLADE FOR PLOWSHARES Filed March 25, 1945 2 Sheets-Sheet 2 lm N Patented Nov. 25, 1947 IINTERLOCKING IRE-CONDITIONING BLADE FOR PLOWSHARES Victor B. Goedken, Dyersville, Iowa, assignor to Silver Streak Manufacturing Company, Dyersville, Iowa Application March 23, 1945, Serial No. 584,333

1 Claim. 1

This invention relates to an attachable cutting edge and point for a plow blade.

designates generally a plow construction, includ- An object of this invention is to provide an attachable blade construction for a plow, so that the worn edge and point of the plow may be easily renewed so as to renew the plow blade.

Another object of this invention is to provide a plow blade attachment which can be applied to a plow with ordinary tools. A further object of this invention is to provide a plow blade attachment which includes an elongated narrow blade which is formed with a pocket on the rear side thereof, and a point which is also formed with a pocket in which the correlated parts of the worn plow are adapted to seat, the attachment being secured to the plow by means of an adjustable securing means so that the device may be applied without shaping the plow blade.

To the foregoing objects and others which may hereinafter more fully appear, the invention consists of the novel construction, combination and arrangement of parts, as will be more specifically referred to and illustrated in the accompanying drawings, but it is to be understood that changes, variations, and modifications may be resorted to which fall within the scope of the invention as claimed.

In the drawings:

Figure 1 is a detail bottom plan of a plow blade, having mounted thereon a renewable blade and point construction according to this invention.

Figure 2 is a detail side elevation of the front side of the attachment.

Figure 3 is a detail side elevation of the rear side of the device.

Figure 4 is 'a sectional View taken on the line 4-4 of the Figure 1.

Figure 5 is a fragmentary sectional view taken on the line 5-5 of Figure 1.

Figure 6 is a sectional view taken on the line 65 of Figure 1.

Figure 7 is a fragmentary sectional View similar to Figure 4, showing a modified form of holding means for the device.

Figure 8 is a fragmentary plan view of the holding member.

Figure 9 is a fragmentary plan view of another modification of holding member.

Figure 10 is a fragmentary sectional view similar to Figure 4, showing the holding member of Figure 9 in applied position.

Figure 11 is a fragmentary sectional View similar to Figure 4, showing another modification of this invention.

Referring to the drawings, the numeral l0 ing a blade formed with a point I2 and a landside i3. The plow l0 when worn is adapted to have mounted on the cutting edge of the blade 5 l and the point |2 a renewable blade and point attachment, which includes an elongated blade member l4 formed with a keen edge Hi. The blade member H1 is longitudinally bent, as at 5, in the region of the point l2 of the plow, and a point forming plate Il, having a keen edge I8, is secured to the bevelled forward end IQ of the blade l4 by means of welding 26, or the like.

In order to provide a means whereby the blade M and the point forming plate |'I may be attached to the plow ill, I have provided a plurality of pocket forming plates 2|, which are welded as at 22, to the rear side of the blade l4. There are a series of these pocket forming plates 2| disposed in substantially end abutting relation, and these plates 2| are bent, as at 23, so that the body of each plate 2| will be offset from the adjacent face of the blade M in order to form a plow blade receiving pocket 24.

A rear pocket forming plate 25 is also welded to the rear side of the blade It, forming a continuation of the pocket forming plates 2|, but plate 25 is of greater length than the plates 2|, so that the upper end of plate 25 will extend above the upper edges of the plates 2|, as indicated at 26, The extension 26 is formed with an opening 2? within which a locking key or securing member, as will be hereinafter described, is adapted to engage. The forward end or bent portion |B of the plate i l, and the rear side of the point forming plate I1, has secured thereto a pocket forming member generally designated as 28. The pocket forming member 28 comprises a plate 29, which is welded, as at 30, to the rear side of the blade extension l6 and the plate 29 has formed integral therewith an obtusely disposed landside wall 3|, which is welded, as at 32, to the rear side of the point forming plate I1.

The point forming pocket 28 is shaped at its forward end or edge, as indicated at 33, in conformity with the forward edge of the point forming plate H. The point I2 is adapted to snugly seat within the pocket 34 formed by the pocket forming member 28 with the landside extension tlengaging the forward portion of the landside E3 of the plow.

In order to provide a means whereby the blade l4 and the point l'l may be firmly secured and held on the plow I0, I have provided a securing means which includes an elongated bar or strap 35, which is provided at its lower forward end with a substantially right angularly bent key 36, which is engageable in the slot or opening 21. The bar or strap 35 is provided with a longitudinally extending opening 3! adjacent the upper or rear portion thereof through which a threaded bolt 38, which is carried by the plow blade member II, is .adapted to engage. The bar or strap 35 is firmly secured in adjusted position relative to the bolt 38 by means of a nut 39. In applying the attachment to the plow, the locking key 36 of the bar or strap 35 may be initially insertedin the opening 2'! of the plate extension 26, ,andthe blade member H theninserted in the pocket formed by the plates 2| and.25. iIThe plate 25 ,is bent in the direction of the blade :I 4,.so that when blade H is within the pocket, securing bar or strap 35 will be tightly held against the adjacent rear side of the blade member ll, and key 36 will be held within the slot 21.

Referring now to Figures 7 and 8, there is disclosed a slightly modified-form of renewable blade securing ;means wherein .an elongated slotted strap 35 -is formed with'akey 36 at its forward or .;lower end, and the .forward or lower side of the :key iifi is rounded "or bevelled, as indicated at All. By providing the rounded lower portion of the .key 36 this ,key may in certain instances beforcedbetween the :extension 26 and the adjacent sideof the plow blade member J1.

Referring to FiguresQand l0,-there.is;1disclosed another ,modification rof .this invention wherein the securinglor.holdingstraporbar 35 has secured to the lower :or forward'portionithereof a stud M, which is circular err-round in plan, and is provided with. a .bevelledo-r .roundedlower .portion-M. .In the .presentinstance thepoclietforming plateJZi': is formedwith acircular opening-43 within which the stud 42 is adapted to engage. Inother respects :the .remainingstructure .of the attachment for vuse with *the modified forms in Figures 7 to :lOissimilarin detail tothe structure shown .in Figures .1:to 6.

In the use of this attachment-thelower edge of the plow.blade member H andthe worn point I 2 .thereofare inserted .in the pockets 24 and 34, respectively. The securing .or holding member formed by the strap 35:.and the key 36 is inserted in the :opening or keeper '2], whereupon the attachmentmay be forced-over correlatedportions of -theplow blade and-point. The securing memberl35 is then locked in its-adjusted position by tightening of the nut 330m the bolt shank-ilt.

Inasmuch .as the pocket forming -member 28, which engages the -point t2 of the plow, is disposed'o-n anangle to the blade member M, an additional securing means "for the for-ward end of the-blade l4 and "the point 'member 1 7 is not necessary. in other words, the securing strap 35-will firmly hold=the blade N and the point 17 onto the plow, so that the attachment will not become loosened during the normal use of ithe plow.

Referring now to Figure 1-1,.th'ere .is "disclosed .10 "looking member M.

.plate .25 are adapted during the mounting of the extension on the locking member 44 to spring 4 a modified form of locking means for locking the blade M on the plowshare H. In this form the plate 25, having the keeper opening 21, is adapted to engage over a locking lip 44, which is welded to the forward face of the plowshare, or blade, I I. The lip 44 is provided with a rounded lower side .5, so that the extension 26, carried by the plate 25 'andformed with a rounded upperedge portion 46, may readily be moved upwardly and over the The extension 26 and the outwardly a slight degree and then snap back finto locking position, which is the position shown in Figure 1 1.

The exact configuration illustrated is regarded .as the-optimum, but some of the desirable results inherent in this disclosure may be obtained by various slight modifications including some departure from the exact configuration shown, and it is therefore requested that the scope of the invention should be regarded as limited only by the terms of the claim.

What is claimed is:

A-renewable plow blade and points comprising an elongated narrow blade, a point member carried by the forward end of said blade, a pocket forming member carried by therearside of said point member, a plurality of .edge abutting pocket forming members carried by the rear sideof said blade upwardly from thelower edge thereof, the rearmost of said platesextendingabove the upper edge .of theremaining plates and formed .witha keeper opening, a-threadedstud fixed-to the plow blade above said rear .plate, anelongated locking bar formed with an elongated opening through which said stud loosely extends, a key carried by the lower end of said locking bar-engageablein saidikeeper opening, and a-nut threadedo-ntosaid stud for clamping said lbarrelative to the plow bladeto thereby hold the plowblade and'point'in said pocket forming members with said narrow blade and point member overlapping the -plow lade and point respectively.

VICTOR -B. GGEDKEN.

REFERENCES CITED The following references areof recordin the file of this patent:

UNITED STATES PATENTS Number Name Date 216,773 Wiar-d "June 24,1879 1,067,268 Oldendorph .July 15,1913 1,707,426 Baker Apr. 2,11929 1,976,268 Reynolds 001;..9, 1934 2,050,488 Ferreyro Aug. 11,1936 2,254,011 Kernodle Aug..26, .1941 2,386,424 Boots Oct.,9, .1945

FOREIGN PATENTS Number 'Country Date 18,571 Great Britain 1899

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