US1458837A - Cultivator - Google Patents

Description

June 12; 1923. 1,458,837

' R. E. L. MAY

CULTIVATOR Filed March 29 1919 WITNES: l6 INVENTOR. &. Q. IE;E.LL JW@2 .7. J c I ATTORNEY.

Patented June 12, 1923.

ROBERT L, MAY, or HINESVILLE, GEORGIA.

CULTIVATOR- Application filed March 29, 1918. Serial No. 286,060.

To all whom it may concern:

Be it known that I, ROBERT E. L. MAY, a citizen of the United States, residing at Hinesville, in the county of" Liberty and State of Georgia, have invented new and useful Improvements in Cultivators, of which the following is a specification.

.My present invention pertains to cultivators; and it has for its general objectto provide a cultivator of simple and inexpensive construction, and one that is easy of draft, is susceptible of ready adjustment to meet different conditions, is adapted to clean a row of considerable width incidental to two trips over the row, and is further adapted to produce a fine; dust mulch and leave the open furrow in the center of the row.

T0 the attainment of the foregoing the invention consists in the peculiar construction, novel combinations and adaptations of parts, as hereinafter described and definitely claimed.

In the accompanying drawings, hereby made a part hereof:

Figure 1 is a top plan view of the cultivator constituting the best practical embodiment of my invention that I have as yet devised.

Figure 21s a transverse section taken in a plane in front of the forward transverse frame bars.

' Figure 3 is an enlarged detail transverse section taken in the plane indicated by the line 7-7 of Figure 1.

Figure 4 is an enlarged transverse section taken in the plane indicated by the line 8-8 of Figure 1. 1 1

Similar numerals of reference designate corresponding parts in all of the views of the drawings.

Among other elements my novel cultivator comprises a longitudinal central draft beam 1. The forward part of this draft beam reaches upwardly, as indicated by 2, and is equipped with a clevis 3 or other suitable means for the convenient attachment of a draft animal or animals. In its lower edge and at points adjacent to its forward and rear ends, the beam 1 is provided with transverse recesses 4 and 5, Figures 3 and 4:.

Fixedto the side of the beam 1 is a segmental rack 6, and pivoted to the beam is a hand lever 7, having a detent 8 for coopera,-

tion with the rack, in order to adjustably fix the lever'71 in the different positions'in which the same is placed. Thesaid lever 7 is provided forv the adjustment and ad- I justable fixing of the shoe 9 through the medium of which .the depth at which the shovels operate is regulated. The said shoe 9 is carried at the lower end of alever 10 that is .fulcrumed-atan intermediate point of its length to the beam 1 and has its upper arm connected through a link 11 with the hand lever. j

Loosely receiving the rear and forward portions of the beam 1 are clamping bodies 12. These clamping bodies 12 are of rectangular form, and are providedin their vertical portions with transverse apertures 13, Figure 7 and in their upper end barsor bights with threadedapertures 14.] "Bear mg in the apertures 14; are binding; screws w l 15 which are adapted when rotated to bear against the upper side of the beam 1 and thereby draw the clamping bodies 12 up wardly for an important purpose herein after set forth.

Arranged at opposite sides of and spaced from the draft beam 1 are longitudinal side beams 16. These side beams at their forwardand rear ends are pivotally con-' nected, preferably in the manner shown,

with transverse bars 17; the said transverse bars 17 being preferably arranged in lapped relation and extended through the recesses 4 in the draft beam 1, and also through the transverse apertures 13 in the clamping bodies 12. Manifestly' the said beams 16 may be arranged at different distances from the draft-beam 1=to position the shovels car- 15 downwardly so as to draw the bodies 12 upwardly and thereby clamp andsecurely and strongly fix in an adjustable manner the transverse bars beam 1. I

In the present andpreferred embodiment of my invention, I equip the cultivator with three shovels 18 which are preferably, though not necessarily, of the form illustrated. Each shovel 18 i carried by a shank 19, and each shank is preferably of 17 together and to the curvilinear form and is provided at its upper and forward end with a fiat, vertically disposed head 20 in which are three (more or less) transverse apertures. In the attachment of'the shovel shanks, one to the draft beam 1 and one to each side beam 16, a transverse bolt 22 is passed through the shank at an intermediate point in the length thereof and through the adjacent beam and a transverse bolt 23 is assed through one of the apertures 21 and the adjacent beam, and in this way the shovels are adjustably fixed to the beams with a view to further regulating the depth at which the shovels are to work.

By reference to Figure 1, it will be observed that the shovel l8 complementary to the right hand side beam 16 may be attached adjacent to the rear end of the said side beam in lieu of attachment at a point adjacent to the forward end of the beam, as shown in Figure 1. In this way the center shovel or the one complementary to the draft beam 1 may be disposed toremost as is desirable in some cases.

It will be apparent -lrom the foregoing that notwithstanding the peculiar advantages ascribed to my noYel cultivator, the same is simple and inexpensive in construction and is generally well adapted to withstand the rough usage and the exposure to which cultivators and the like are ordinarily subjected.

Having described my invention, what I claim and desire to secure by Letters-Patent, is:

The herein described cultivator comprising a longitudinal central beam having transverse recesses in its lower edge adjacent to its ends, clamping bodies receiving the beam and having vertical, threaded apertures in their upper bars and also having transverse rectangular apertures in their vertical side bars, binding screws bearing in said threaded apertures ol the clamping bodies and on the beam, longitudinal side beams in parallelism adjustable laterally toward and fromeach other, shovels connected with and car ried by the draft beam and the side beams,

respectively, and transverse bars of rectangular form in cross-section carried by the side beams and arranged in lapped relation snugly in the transverse recesses of the draft beam and in the transverse apertures in the vertical bars of the clamping bodies and supported by said bodies and also arranged in lapped relation at opposite sides of the clamping bodies. 7

In testimony whereof I affix my signature.

ROBERT E. L. MAY.

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