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Publication numberUS383286 A
Publication typeGrant
Publication dateMay 22, 1888
Filing dateFeb 29, 1883
Publication numberUS 383286 A, US 383286A, US-A-383286, US383286 A, US383286A
InventorsCombined Revolving Harrow
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Combined revolving harrow and cultivator
US 383286 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

(No Model.) 2 Sheets-Sheet l.

L. s. EVANS.

OMBINED REVOLVING HARRW AND UULTIVATOR. No. 883,286.v Patented May 22, 1888.

(No Model.) 2 Sheets-Sheet 2.



No. 883,286. Patented'lVIay 22, 1888.

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SPECIFICATION forming part of Letters Patent No. 383,286, dated May 22, 188:8.

Application tiled February 29, 1888. Serial No. 265,684. (No model.)

To aZZ whom it may concern.'

Be it known that I, LUoIUs SANDIEORD EVANS, a citizen of the United States, residing at Alvarado, in the county of Johnson and State of Texas, have invented certain new and useful Improvements in aCombined Revolving Harrow and Cultivator; and l do declare the following to be a full, clear, and exact dcscription of theiuvention, such as will enableothers skilled in the art to which it appertains to make and use the same, reference being had, to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.

My invention relates to revolving harrows or harrows and cultivator combined, and has forits object to constructsuch a machine which will be adapted for use in cultivating cotton, corn, and other plants of a like nature, and which will-be simple, strong, and efficient for the purpose intended.

With these objects in view the invention consists in the construction and the combination of parts, hereinafter particularly described, and then specifically defined by the claims, reference being had to the accompanying drawings, forming a part hereof.

Figure l is a perspective of the combined harrow and cultivator. Fig. 2 is a vertical section through thesame, part being in elevation. Fig. 3 is a front elevation, parts being in section.

In the drawings, the letter A designates the axle on which arejonrnaled the wheels B, one of which has the gear-wheel O, east or otherwise attached thereto. Forward of the axle there is a frame composed of, say, the parallel bars D, attached at their rear ends to the axle and connected together at their front ends by the eross-barE. A third longitudinal bar, F, parallel with the other two, and which may form part of the tongue G, isconneeted to the axle and to the front crossbar, E. This bar F forms the support of the hanger H, which has arcduccd end, a, passed through a slot in the bar F, and formed with a series of perforations, b, so that by passing a pin, I, through one or the other the hanger may be lifted or lowered to raise orlower the revolving harrowtooth, as will hereinafter appear. Another hanger, J, depends from the axle A, and is adjustable up and down, say, by forming a slot, c, in its upper end and passing a nutted bolt, K, through the slot and the axle. .Py

loosening the bolt the hanger can be adjusted,

and by tightening the bolt the hanger will be held to its adj ustment. These two hangers H and J carry the rotating shaft L of the revolving harrow or toothed bladeM. The shaft re volves in the hangers, and has the harrow blade or knife M,which is formed with a series of fiat cutting fingers or teeth, d, secured thereto by a sectional hub, N, to which the blade is secured by bolts O passed through the blade or the shank of its fingers and through the two sections of the hub. The hub in turn is keyed to the shaft so as to turn therewith.

The forward end .of shaft L has its bearing in a box, P, which is formed with a recess in its end to receive the end of the shaft, and fits loosely, so as to oscillate on a shaft, Q, which carries a main bevel-wheel, R. The osci1lation of the box P adjusts to the raising or low* ering of the barrow or cutter-shaft when the harrow or cutter is raised or lowered to harrow shallow or deep, as desired, by raising or lowering the hangers H and J. The main bevelwheel R meshes with a bevel-pinion, S, keyed to the shaft L and through such means the barrow-shaft is rotated. The main bevelwheel R derives its motion from the cog or gear wheel G through a chain belt, S', which also passes around a cog or sprocket wheel, T, on the shaft Q. The shaft Q is journaled in the boxes U, adjustably secured to the hangn ers V, depending from the front cross-bnr, E, the adjustment being effected by, say, bolts V passing through slots e in the boxes and through the hangers V. The adjustment allows the shaft and main bevel-wheel to be raised and lowered with the adjustment ofthe euttershaft L. A collar, X, is secured by a set-screw,f, or otherwise to the shaft Q, and serves to hold the box P against lateral movement in one directiomwhile the bearing ofthe bevel-pinion against the main bevel-wheel prevents its movement in the opposite direction.

To the lower ends of the hanger V there are hinged the bars or beams X, which carry the cultivatorteeth Y. It will be observed that the teeth are arranged alternately on opposite sides of the cultivator-bars, so as to be out of IOO line with each other; also, that the bars are provided with handles Z, by which they can be raised or lowered to plow shallow or deep or not at all, as desired. They can also be readily detached by removing the connectingbolts, if so desired. lt will also be observed that the harrow or cutting blade is set in front ofthe harrow'teeth, so as to cut in advance of the teeth as the soil is thrown up.

The device is simple and inexpensive to manufacture, and can be applied to cultivatorframes already in use, and is very efficient for the purposes intended. I

Having described my invention and set forth its merits, what I claim is- 1. The combination, with the frame, ofthe adjustable hangers, the shaft L, journaled in said hangers and provided with the revolving blade and bevel-pinion, the cross-shaft Q, carrying bevel-wheelRandjournaled in the boxes U, the oscillating box D on the shaft Q and receivinge the end of shaft L, and the drive chain connecting the cog-wheel on shaftQ, with the gear on the dri vingwheel, substantially as described.'

2. The combination,with the frame extending in front of the axle, of the adjustable hangers carrying the shaft L, provided with the barrow-blade and bevelpinion, the cross-shaft Q, operated from the main drivewheel, carrying the main bevel-wheel meshing with the pinion on the barrow-shaft, the oscillating box in which fits the end of the harrowshaft, the hinged bars carrying the cultivating-teeth, and the hangers N, depending from the frame and serving both as the support for the forward ends of the cultivator-bars and for the journal-bearings of the cross-shaft Q, substantially as and for the purposes described.

In testimony whereof Iafiix my siguatu re in presence of two witnesses.




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US2882977 *Feb 8, 1954Apr 21, 1959Alexander SmithGardening machine
US7748899 *Jun 13, 2008Jul 6, 2010General Electric CompanyX-ray device
US20090180594 *Jun 13, 2008Jul 16, 2009Jean Pierre SaladinX-ray device
Cooperative ClassificationA01B41/00