US550603A - Cotton-chopper - Google Patents

Description

(No Model.) `sheets-sheen 1.

J. I. DUNLAP. COTTON GHOPPER.

No. 550,603. Patented po. 3, 1895. mmnmuummnmm MIU E Minimum?- 5 ..-5 Ilm (No Model.) 2 Sheetsf-Sheet 2.

J. I. DUNLAP.

. COTTON GHOPBBR.

No. 550,603, Patented Deo. 3, 1895.

NrTEn STATES 4 PATENT OFFICE.

JOSEPH I. DUNLAI, OF IVADESBOROUGH, NORTI-I CAROLINA.

COTTON-SHOPPER.

SPECIFICATION forming part of Letters Patent No. 550,603, dated December 3, 1895.

Application led OGtO-bel l5, 1894:.

To all whom t may concern.-

Be it known that I, JOSEPH I. DUNLAP, a citizen of theUnited States,residin g at VVadesborough, in the county of Anson and State of North Carolina, have invented new and useful Improvements in Ootton-Ohoppers, of which the following is a specification.

My invention relates to an improved cotton-chopper; and it consists in the novel construction, arrangement, and combination of parts hereinafter fully described, and definitely pointed out in the claims following the description, due reference being had to the accompanying drawings, forming a part of this specification, wherein- Figure 1 is a plan view of my improved machine. Fig. 2 is a front end elevation. Fig. 3 is a section taken on the line 3 3 of Fig. l. Figs. 4 and 5 are detail views of the mechanism for actuating the chopper. Fig. 6 is a perspective View of a modied form of hoe.

Referring to the drawings, the numeral 1 indicates the frame` of the machine, in the rear end of which is j ournaled the drive-shaft 2, on the ends of which are mounted the wheels 3, provided with ratchet mechanism to per-V mit a free backward movement commonly employed in harvesting machinery of all kinds.

4 indicates the cultivator-frame, mounted at its rear end on the drive-shaft and at its front end is secured to the frame 1. To the forward end of the frame 4 and at one side thereof is secured a vertically-adjustable caster-wheel 5, and to said frame are secured vertically-adjustable cultivator shovels and Scrapers 6 7, arranged as shown.

To the front of the frame 1 and at one side thereof is secured abearing S, and at the other side of the frame is secured avertically-slotted guide 9. A bar 10, reduced and rounded at one end, forming a shoulder 10, passes loosely through the bearing S and at its other cnd rests in the slotted guide 9, a spring 1l being coiled around the rounded end of said bar and bearing at one end against the bearing 3 and at its other end against the collar 12, secured to the end of the bar. A chopping-hoe 13, consisting of a metallic blade gradually increasing in width downwardly and curved to one side, is secured to the/bar Serial No. 525,972. (No model.)

lOand at such point that when said bar is at rest the chopping-hoe will be slightly to one side of the center of the machine.

Instead of the hoe above described I may employ the hoe illustrated in Fig. 6.

On the drive-shaft `2 is loosely mounted a beveled gear-wheel 14, and splined upon said shaft is a clutch 15, adapted to be thrown in and out of engagement with the gear-wheel 14 by a lever 16, pivoted to a bracket 17, secured to the frame l and extending to within convenient reach of the driver. Meshing with the gear-wheel 14 is a beveled pinion 13, secured to one end of a shaft 19, journaled in the frame 1, and to the other end of said shaft is rigidly secured a disk 20, provided with two oppositely-arran ged pins 21 22. rlo the rear side of the bar 10 is secured a metallic plate 23, that projects slightly below the lower edge of said bar and is provided with a notch or recess 24, that is adapted to be engaged by the pins 21 22, as will be more fully hereinafter described. Loosely mounted on the center of the drive-shaft 2 is a collar 25, to the upper side of which is pivoted or swiveled the rear end of a tongue 26. To the under side of the tongue is secured ametallic wear-plate 27, against which rests a pin 29, which is rigidly held to its seat by threaded staples 30, that are passed through suitable perforations formed in said plate and the tongue and held in place by nuts 31, tapped over the threaded ends of the staples. Upon the projecting end of the pin 29 is journaled a segmental plate 32, provided at its rear end with teeth 33, and to said plate is pivotally secured, by means of a set-screw 34, a lever 35, which at its forward end is swiveled on a bracket 36, secured to the frame 1of the machine. The lever 35 is provided with a springlatch 37, of ordinary and Well-known construe tion, that is adapted to engage the teeth 33 of the segment-plate and lock said plate and lever together.

It will be understood that the plate 32 may be freely oscillated about the pin 29, upon which it is journaled, and that the lever 35 may be oscillated laterally about the screw 34. The end of the lever 35 being attached to the frame of the machine by the bracket IOO without affecting the position of the tongue.

To the rear end of the tongue is secured a seat 37X, to within convenient reach of which extend the levers 16 and 35.

The operation of my improved machine is as follows: The machine is driven in such g manner as to cause the cultivators 6 and 7 to travel between the rows of plants and loosen and pulverize the soil and throw the same up against the plants. The rotation of the driveshaft 2 communicates, by means of the mechanism described, a rotary movement tothe disk 20, which causes one of the pins-as 21, for example-t engage the notch or recess 241 in the plate 23, secured to the bary 10?, and raises said bar, and with it the chopping-hoe 13, over the young plants to the opposite side ofthe row, and then lowers it in readiness to makeits stroke.v As the disk continues to rotate, the pin 22 strikes against the under side of the bar 10 and lifts said bar, so as to dsengage the notch 24 from the pin 21, when the spring 11 forces back the bar 10 in the opposite direction, causing the chopping-hoe 13y to cut out the plantsl in a line at a right angle to the row and in a true horizontal di rection, as contradistinguished from those machines employing rotary cutters, which leave the surface between the plantsI uneven and lowest in the center, which is objectionable. By means of the lever 35y and its connections before described the frame of the machine may be adjusted at an angle to either side of the line of draft, making the same conform to the trend of the row and keeping the drive-wheels always in the middle of the rows.

It will be apparent that by increasing the length of the drive-shaft and the bar 10 two or more cultivator-frames and chopping-hoes may be employed to cultivate and then cut a corresponding number of rows simultaneously.

Having described my invention, what I claim is 1. In a cotton chopper, the combination with the frame 1 pivotally mounted on a drive shaft 2 and carrying chopping mechanism and provided at its front end with a supportingwheel 5, of a tongue 26 swiveled upon a collar loosely mounted on the drive shaft, an adjustable connection between the frame 1 and the tongue for permitting said tongue to move both vertically and laterally independently of the frame and drive shaft, and means for locking said tongue to said frame upon either side of the center of the latter, substantially as described.

2. In a cotton chopper, the combination of the frame 1 mounted on a drive shaft 2 and carrying choppingmechanism and cultivator shovels, of a tongue 26 swiveled upon a collar loosely mounted on said drivek shaft, a pin 29' projecting laterally from one side of the tongue, a segmental toothed plate 32 journaled on said pinand a latch lever 35 pivoted to said plate 32 and provided with a latch for engaging the teeth thereof, said lever being connected at one end to the frame 1, substantially as shown and described, and for the purpose specified.

In testimony whereof I have hereunto set my hand and aiiixedmy seal in presence of two subscribing witnesses.

JOSEPH I. DUNLAP. [L s] W'itnesses JAMES C. MARSHALL, W. D. WEB-n,

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