US716440A - Broom-corn harvester. - Google Patents

Broom-corn harvester. Download PDF

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Publication number
US716440A
US716440A US1902119728A US716440A US 716440 A US716440 A US 716440A US 1902119728 A US1902119728 A US 1902119728A US 716440 A US716440 A US 716440A
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Prior art keywords
frame
heads
shaft
wheel
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Joseph E Larson
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Joseph E Larson
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D45/00Harvesting of standing crops

Description

N0. 7|6,440. Patented Dec. 23, I902.

J. E. LARSON.

BROOM CORN HARVESTEB.

(Application filed Aug. 15, 1902.)

(No Model.)

5 Shaets-S heet I.

Patented Dec. 23, I902. J. E. LARSON.

BROOM CORN HABVESTER.

(Application filed Aug. 15, 1902.)

(No Model.)

5 Sheets-$heet 2.

glnvemfoz N0. 7|6,440. PatentedDac. 23, I902.

E. LARSON, BROOM CORN HARVESTER.-

(Application filed Aug. 15. 1902.)

(No Model.) 5 Sheets-Shoot 3.

1;: z Yta Nu. 7|6,440. Patented Dec. 23, I902.

J. E. LARSON.

BROOM CORN HARVESTER. (Application filed Aug. 15, 1902.)

(No Model.)

5 Sheets-$heet 5.

M mm

' rrn PATENT OFFICE.

JOSEPH E. LARSON, OF SILVERCREEK, NEBRASKA.

BROOM-CORN HARVESTER.

SPECIFICATION forming part of Letters Patent No. 716,440, dated December 23, 1902.

Application filed August 15, 1902. Serial No. 119,728. (No model.)

of Nebraska, have invented certain new and useful Improvements in Broom-Corn Harvesters; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to broom-corn harvesters, and particularly to those in which the stems of the heads or brushes are out to a proper or desired length before being discharged from the machine.

A further object is to construct a machine of the character described that will be comparatively simple in construction, durable in use, efficient, and well adapted to the purpose for which it is designed.

\Vith the above and other objects in view, which will readily appear as the nature of the invention is better understood, said invention consists in certain novel features of construction and combination and arrangement of parts, which will be hereinafter fully described aud claimed, and illustrated in the accompanying drawings, in which Figure 1 is a view of one side of the machine. Fig. 2 is a view of the opposite, side thereof. Fig. 3 is a top plan view. Fig. 4is a front end elevation. Fig. 5 is a transverse vertical section through the straightening rolls and the delivery-apron on line 5 5 of Fig. 1. Fig. 6 is a longitudinal vertical section taken through the cutter-bar, reel, and conveyer and straightening-rolls, as indicated by dotted line 6 6 of Fig. 3.

1 denotes the main supporting-frame of the machine, which consists of the side bars 2 and a centrally-disposed bar 3, connected at their ends by cross-bars 4.

5 denotes'a main carrying and power-transmitting wheel mounted upon a shaft or axle 6, journaled in bearings formed on one of the side bars 2 and the central bar 3 near the forward end of themachine.

7 denotes the carrying-wheel, forming the companion of the wheel 5, journaled upon a stub-shaft formed on a depending arm or bracket fixed to the side bar opposite the wheel 5.

8 denotes the rear caster-wheel,pivotally connected to the rear cross-bar of the frame.

9 denotes an auxiliary frame supported by standards 10, fixed at their lower ends to the main frame 1. The frame 9 is designed to carry at its forward end the cutter-bar 11 and sickle 12. Sides or guards 13 are mounted upon the frame 9 and have at their forward ends forwardly-extending divergent arms 14, which are adapted to gather in the stalks as the machine moves forward.

15 denotes a reel mounted in the upper ends of inclined supports 16, which are adjustably connected at their lower ends to the side pieces or guards 13.

17 denotes an endless slatted conveyor or apron which runs over rollers journaled in the frame 9 immediately in rear of the cutter-bar 10 and between the side pieces or guards 13.

18 denotes a frame arranged across the machine immediately in rear of the frame 9 and is supported by the standards 10 and 10 and is slightly inclined from the frame 9 toward the opposite side of the machine. The frame 18 is divided transversely and longitudinally by bars 19 and 20, and in the part of the frame immediately in rear of the conveyer 17 are mounted straightening-rolls 21, arranged in a direction across the line of travel of the endless conveyor 17 and are journaled in the outside cross-piece of the frame 18 and the division strip or bar 20. The ends of the roll-shafts jonrnaledin the side cross-piece project beyond the same and are provided with sprocket-'pinions 22. The rolls 21 are spaced apart and are provided along their length with cleats.

23 and 24 denote guard-aprons connected to a portion of the frame and form practically a continuation of the guards 13.

25 denotes a bararrauged in rear of the conveyer 17 and above the straightening-rolls, and 26 denotes spring-fingers connected to said bar and depending therefrom and are adapted to assist in straightening and arrangiug the heads or brushes of the corn.

27 denotes packers,consisting of narrow blades or fingers, which are adapted to work between the rolls 21 to push the heads across the said rolls. The packers or blades are mounted upon a cranked shaft 27, arranged lodgitudinally of the machine beneath the rolls '21 and journaled at its ends in bearings formed on the standards and 1O and pivoted on its rear or outer end with a bandwheel 28. The packer-blades extend some distance below the crank-shaft and are connected to one of the side bars 2 of the main frame by links 29.

The space in the frame 18 on the opposite side of the division-bar 20 is covered by a solid platform 30, and a guard-flange 31 is formed on the rear side of said platform.

32 denotes an endless slatted conveyer or delivery-apron arranged above the platform 30. 33 and 34, mounted in suitable bearings car- 'ried by the frame 18, the shaft of the roll 33 being extended and provided with a bandpulley 35, which is connected by a cross-belt 36 to the band-wheel 28', by which means the conveyer 32 is driven.

In the space formed in the frame 18 by the transverse division-bar 19 is arranged a cutting-Wheel 37, adjustably mount-ed upon a shaft 38, arranged across said space and jour- Q 'spur gear-pinion 40, which is in mesh with and driven by a spur gear-wheel 41, fixed on a shaft 42, mounted at one end in bearings carried by the frame 18 and at its opposite end in bearings carried by an arm fixed to the standards 10.

43 denotesasprocket-pinion mounted upon the shaft 42 and is connected to a sprocketpinion 44,fixed on the inner end of the cranked shaft 27 45 denotes a sprocket-pinion, also mounted on the shaft 42.

Upon the axle 6 of the main drive-wheelis mounted a combined bevel and spur gearwheel 46. l

47 denotes a short shaft journaled in brackets carried by the main frame 1. On the inner end of the shaft 47 is fixed a bevel gearpinion 48, which is in mesh with the bevelgcar of the wheel 46, and on the opposite end of the shaft 47 is mounted a sprocket-wheel 49.

50 denotes a short shaft mounted in bearings supported upon an arm or bracket carried by the frame 9. On the outer end of the shaft 50 is formed a crank, to which is connected a pitman-rod 51, which is con- The said conveyer passes around rolls' sickle-bar is driven. One of the stretches of said chain is in engagement with the sprocket wheel 45, mounted on the shaft 42,by means of which said shaft is driven and in two drives the cutting-wheel 37 and the crank-shaft27 from which motion is imparted to the endless conveyer 32.

54 denotes a spur gear-pinion mounted upon the inner end of a shaft 55, journaled in bearings carried by the frame 1, the said pinion 54 being in mesh and driven by the spur gearteeth of the wheel 46. On the opposite end of the shaft 55 is mounted a double sprocketwheel 56.

57denotes a sprocket-pinion fixed on the shaft 58 of the inner roll of the c0nveyer17, said pinion being connected with the larger wheel of the double sprocket-wheel 56 by a chain 59, whereby the conveyer 17 is driven.

60 denotes a band-pulley, also fixed to the shaft 58 and driven thereby.

61 denotes a band-wheel fixed on the end of the reel-shaft of reel 15, and the said wheel is connected with the band-pulley 60 by a crossed belt 62, by which means the reel is driven.

63 denotes a sprocket-chain which connects the smaller wheel of the double sprocketwheel on the shaft 55 with the sprocket-pinions 22 on the straightening-rolls, by which means the said rolls are driven.

64 denotes a delivery-fork fixed on an arm connected to a rock-shaft 65,supported in bearings beneath the outer edge of the frame 18,adj acent to the discharge end of the conveyer or delivery-apron 32, said fork being adapted to too receive the straightened and trimmed heads of the corn from the platform 30. The forward end of the shaft 65 is bent at right angles to itself to form a crank 66, to theinner end of which is connected one end of a chain 67, which passes under a guide-pulley and is connected at its free end with an operatinglever 68, by which the fork 64 may be raised and lowered to discharge the heads at intervals or as desired.

69 denotes the drivers seat, mounted upon the frame 1, and 70 denotes a bar to which the tongue draft devices (not shown) are attached. The upper end of said bar is connected to the end of a lever pivoted to the standard 10 and having an adjustable pawland-rack connection with the said standard, by means of which the draft of the machine may be raised or lowered. I

In operation the machine is intended to be driven through a field of standing corn, the diverging arms 14 being adapted to gather in a row of stalks similar to the ordinary cornharvesting machines and to conduct them to the cutting apparatus, where the heads are severed from the stalks, the reel also aiding in knocking the heads back against the knives. After the heads are cut off they fall packers, and spring-fingers 26 and straightened out and forced upon the platform 30, with their ends projecting forwardly and in position to be trimmed off by the cutting- Wheel to the proper length, the heads being forced along the platform by means of the endless slotted belt 32 and discharged upon the delivery-fork, from which they are dumped at the will of the driver.

From the foregoing description, taken in connection with the accompanying drawings, it is thought that the construction, operation, and advantages of my improved broom-corn harvester will be readily apparent without requiring a more extended explanation.

Various changes in the form, proportion, and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of this invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a machine for harvesting broom-corn, the combination of a main wheeled frame, of an auxiliary frame carried by said main frame, gathering and cutting mechanism carried at the forward end of said auxiliary frame for cutting the heads from the standing corn, straightening-rolls, an endless conveyer for conveying the gathered heads from the gathering mechanism to the straightening-rolls, spring-fingers for aiding in straightening said heads, packing-blades for pushing said heads across the rolls and onto a table or platform, an endless conveyer arranged above said platform to convey the heads across said platform, a cutting-wheel arranged to trim off the stems of said heads, gearing for operating the several parts, and a delivery-fork for discharging said trim med heads, substantially as described.

2. In a machine of the character described, the combination of a main Wheeled frame of an auxiliary frame carried by said main frame, gathering mechanism, a reciprocating sicklebar arranged in rear of said gathering devices, an endless conveyer arranged in rear of said sickle-bar, straightening-rolls mounted in rear of said endless conveyer, spring-fingers adapted to aid said rolls, a table or platform, packing-blades, adapted to operate between said rolls, to force the heads upon said platform, a second endless conveyer arranged above said platform for moving the heads across the same, an adjustable cutting-wheel, and an adjustable shear-plate for cutting the stems of the broom-corn heads at various lengths, a delivery-fork for receiving the trimmed heads from the said platform,means for operating said delivery-fork to discharge said heads, and gearing for operating the several parts, substantially as described.

3. In a machine of the character described, the combination of a reel, divergent gathering-arms for gathering the heads, a cutting apparatus in the rear of said gathering-arms for cutting off said heads, straightening-rolls, an endless conveyer for conducting the heads from said cutting apparatus to said straightening-rolls, packing-blades for aiding in straightening and pushing said heads across said rolls, means for operating said packingblades, a cutting-Wheel, means for conducting the heads from said rolls across the path of movement of said cutting-wheel, a delivery-fork for receiving and discharging the heads after being trimmed, and gearing for operating the several parts, substantially as described.

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

JOSEPH E. LARSON.

WVitnesses:

D. F. DAVIS, A. 0. SMITH.

US716440A 1902-08-15 1902-08-15 Broom-corn harvester. Expired - Lifetime US716440A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2893194A (en) * 1956-08-24 1959-07-07 Univ California Grape harvester
US2929184A (en) * 1956-08-24 1960-03-22 Lloyd H Lamouria Method for harvesting grapes and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2893194A (en) * 1956-08-24 1959-07-07 Univ California Grape harvester
US2929184A (en) * 1956-08-24 1960-03-22 Lloyd H Lamouria Method for harvesting grapes and the like

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