US386443A - Geoege wiaed - Google Patents

Description

(NoMoaeL) G. WIARD.

PLOW.

No. 386,443. Patented July 17, 1888.

siren grains artnr trice.

GEORGE VTARD, OF BATAVIA, NEW YORK, ASSTGNOR TO THE VIARD PLOV COMPANY, OF SAME PLACE.

SPECIFICATION forming part of Letters Patent No. 386,443, dated July 17, 1888.

Application filed November 22, 1837. Serial No. 955,881. (No model.)

To @ZZ whom it may concern.'

Beit known that I, Geenen WIARD, of Batavia, in the county of Genesee and State of New York, have invented new and useful Improvements in Flows, of which the following is a specification.

rlhis invention relates to a device whereby the draft of the plow can be quickly and conveniently changed as circumstances may require. lf often becomes desirable, especially in side-hill plows, to change the draft from one side to the other in accordance with the breadth of land required, the dryness or moisture ofthe soil, the greater or less inclination of the hillside on which the plow is used, and other circumstances affecting the working of the plow.

lThe object of my invention is to provide simple and convenient means `for rendering the draft-elevis easily adjustable, so that the draft can be readily changed from the center to either side, as may be required.

The invention consists of theimprovements which will be hereinafter fully set forth, and pointed out in the claims.

In the aceonipanying drawings, Figure l is a side elevation of a plow provided with my improvements. Fig. 2 is a top plan View thereof. Fig. 3 is a side elevation, on an enlarged scale, ofthe rear portion ofthe shi'ftiiiglever whereby the draft-elevis is adjusted. Fig. et is a side elevation of the 'front portion of the shifting-lever. Fig. 5 is a side elevation ofthe draft-elevis and the front portion ofthe beam. Fig. 6 is a top plan View ofthe rear portion of the shifting-lever and connecting parts. Fig. 7 is a top plan View of the front portion oLt' the shifting-lever. S is a top plan view ofthe draft-elevis. Fig. 9 is a fragmentary horizontal section of the elevis and draft-hook.

Like lett-ers of reference refer to lil-:e parts in the several figures.

A represents the plow-beam, A the standard, and A2 the handles.

B represents the mold-beard, and i3' the colter, which are both made reversible 1n any suitable or well-known manner, so that they can be arranged to work on either side ofthe standard. rlhe construction of the mold-board and colter shown in the drawings is in accordance with Letters Patent of the United States No. 346,879, granted to me August 3, 1886; but my invention is equally applicable to swivel-plows of different construction.

O represents the elevis pi voted to the front end of the beam A by a verti ai bolt, c, and provided with a vertical series of eyes, c, in the usual manner, in either of which the fasteningbolt d ofthe draft-hook D can be placed. The elevis C is provided at its upper rear end with two arms, c c, projeetinglaterally on opposite sides of the pivot-boltc.

E represents the shifting-lever extending` rearwardly from the rear portion of the plowbeam and terminating between the plow-handles in convenient reach of the operator. The shifting-lever E is provided at its front end with a cross head or frame, F, which is pivoted at its center to the rear portion of the beam by a vertical bolt, f. The cross-head F is provided with two arms, fj", which project laterally on opposite sides of the pivotf, and are connected with the lateral arms e c of the elevis by rods g, arranged on both sides of the beam, so that a swinging movement ofthe shifting-lever E produces a corresponding swinging movement of the elevis C on its pivot. The cross head or frame F is preferably constructed of cast-iron, while the main portion of the shifting-lever is constructed of wrought-iron and secured to the frame F by a vertical bolt, 7i, the frame F being formed with a depression, in which the front end of the lever is seated.

I represents a segment secured transversely tothe rear portions of the handles A2, and provided on its upper side with a series ot' stops or projections, i'. rlhe rear portion of the shifting-lever E rests upon the segment I, and is locked against lateral movement by the stops t', the lever being confined between two ot' these stops. It is obvious, however, that the segment I may be provided with notches or recesses instead of projections, if desired. The elasticity of the shifting -lever permits the same to be raised sufficiently to disengage it from the stops t preparatory to shifting thc lever.

7c is a Ailat spring secured to the under side ofthe shifting-lever E and bearing with its free end against a cross-bar or round, Z, con- ICO neeting the rear portions of the handles A2 below the segment I. The spring 7c tends to draw theA shiftinglever E downwardly and hold the same in contact with the segment I.

The rear end of the shifting-lever is bent downwardly and forwardly around the crossbar Z, and terminates at ashort distance below the rear end of the spring 7c, as represented in Fig. 8, so as to limit the movement of the latter and avoid excessive straining or dedection.

of the spring iu disengaging the lever from the segment. This bent portion of the shifting-lever also forms a handle for operating the lever. Upon raising the rear end of the lever the lower portion thereof strikes against the spring 7c and round Zand arrests the upward movement of thelever before the spring has become excessively deflected.

In changing the line of draft the shiftinglever E is raised so as to clear the stops t', and the lever is then shifted, so as to adjust the elevis to the proper angle with reference to the beam, the movement of the lever being transmitted to the clevis by the connecting-rods g. When the clevis has been properly adjusted, the lever is engaged between two of the stops i, the spring k holding the lever against the segment I and preventing the same from being accidentally misplaced.

The rear portion of the draft-hook is bifurcated in the usual manner and bears against opposite sides of the olevis. The vertical bar c2 of the clevis containing the eyes c is beveled or tapered on both sides from the center of the eyes toward the front and rear edges of the bar, as represented in Figs. 2, 8, and 9, so

that when the clevis is adjusted laterally the beveled or tapering sides of the clevis will permit the draft-hook to stand in aplane parallel with the beam A, and at the same time form a at bearing-surface for 'the hook. l

The eyes c of the clevis are made Haring outwardly, as shown in Fig. 9, to'allow of the required swiveling movement of the bolt d of the draft-hook in adjusting the hook. This construction of the clevis and draft-hook relieves the latter from side strains when the draft is sidewise or out of center.

I claim as my inventionl. The combination, with the beam, of the clevis pivoted thereto and provided with lateral arms e e, a shiftinglever, E, pivoted to the beam and provided with lateral armsf f, rods g, connecting the arms e and j", and a locking device whereby the shiftinglever is held in position, substantially as set forth.

2. The combination, with the beam and the clevis pivoted thereto, and the rods g, of the locking-bar I, the shifting-lever E, provided with cross-head F, and having its rear portion bent around the locking-bar, and a spring secured to the shifting-lever and having its free end between the bent end of the shifting-lever and the locking-bar, whereby the deiection of the spring is limited, substantially as set forth.

Witness my hand this 31st day of October,

GEORGE WIARD. Witnesses:

J. J. WAsHBURN, C. W. HOUGH.

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