US1145919A - Heading-machine. - Google Patents

Heading-machine. Download PDF

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US1145919A
US1145919A US1913787910A US1145919A US 1145919 A US1145919 A US 1145919A US 1913787910 A US1913787910 A US 1913787910A US 1145919 A US1145919 A US 1145919A
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grain
member
elevator
frame
guide
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Robert A Porter
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Robert A Porter
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D47/00Headers for topping of plants, e.g. stalks with ears

Description

R. A. PORTER.

HEADING. MACHINE.

APPLICATION FILED SEPT-3.1913.

Patented July 13, 1915.

3 SHEETSSHEET I.

R. A. ORTER.

HEADING MACHINE. APPLICATION FILED SEPT-3.1913.

1 1 %,9 1 9 PatentedJuly 13, 1915.

3 SHEETS-SHEET 2.

,' COLUMBIA PLANOGRAPH CO.,WASNINGTON. n. c.

R. A. PORTER.

HEADING MACHINE.

ROBERT A. PORTER, 0F SHARON, KANSAS.

HEADING-MACHINE.

miners.

Specification of Letters Patent.

Patented July is, rare.

Application filed September 3, 1913. Serial No. 787,910.

To all whom it may concern Be it known that 1, ROBERT A. Pon'rnn, citizen of the United States, residing at Sharon, in the county of Barber and State of Kansas, have invented certa-in'new and useful Improvements in Heading-Machines, of which the following is a specification.

The subject matter of the present inven tion relates broadly to harvesting machines and is directed particularly to new and useful improvements in that type of such inventions known as headers.

As its principal object the present invention aims to provide a header in which the cutting mechanism and elevator is mounted in a supporting frame adapted to be detachably secured'to the sideboard of a wagon body so that the heads of the grain may be cut and conveyed into the wagon and the header removed for application to another wagon immediately upon the filling of the wagon to which it is attached.

An object of equal importance with the foregoing is to construct the header of this invention with such regard to proportion and arrangement of parts that it may be cheaply manufactured, will be efficient and durable in its action and may be readily used in connection with wagon bodies of any type, it being only necessary in this operation to tighten a pair of set screws in order to insure the secure attachment of the header.

A still further object is to mount the elevator with such relation to the supporting frame that its upper terminal will, be disposed interiorly of the wagon body side,thus insuring the complete deposit of the grain heads in the wagon body.

An object coexisting in importance with the foregoing is to provide means for the vertical adjustment of the cutting mecha nism and elevator so that while the supporting frame maybe fixedly secured to the wagon body, the cutting mechanism and the elevator may be vertically adjusted to any height within a reasonable range, thus making it possible to employ the header in harvesting grains of varying heights such as Kafir corn, milo, broom corn, cane'and the like. r

A. still further object resides in the provision of a novel form of grain knife con structed in the nature of two elongated bars which have sharpened cutting edges and are mounted in fixed relation to each other and are appended hereto and form a arranged with their cutting edges forwardly dlverging so that they act in the manner of a flared mouth throat which receives the grain and cuts it by the urging of the grain stalks into engagement with the cutting edges. 1

A yet further object contemplates the provision of an auxiliary cutting element which is rotatably mounted at the inner ends of the knife elements referred to above; this rotary knife element being adapted to prevent clogging of the fixed bar knives by severing all grain stalks which may choke at the convergent. terminals of the fixed knives.

An additional object is to provide a novel form ofguide'for directing the grain heads from the cutting mechanism on to the elevator.

A yet further object resides in the provision of a movable grain guiding device which is superimposed above the bar knives and is adapted to swing across these elements at predetermined intervals urging the grain against the innermost of the bar knives and subsequently directing it onto the elevator.

cent terminal on the grain guide.

The above and additional objects are accomplished by such means as are illustrated inthe accompanying drawings, described in the following specification, and then more particularly pointed out in the claims which part of this application.

l/Vith reference to the drawings, wherein V is illustrated the preferred embodiment of the invention as it is reduced to practice, and throughout the several views of which simi lar reference numerals designate corresponding parts: Figure 1 is a perspective view illustrating the headerin assembled relation to a Wagon body; Fig. 2 is a top plan illustrating the header 'with the cutting .mechanism, elevator and variousother associated mechanisms in assembled relation; Fig. 3 is a rear end elevation; Fig. 4 is a section on the line 44: of Fig.3; Fig. 5 is a. detail view of the gear wheel which is ap plied to the hub of one of the rear wheels of the wagon and is operatively connected to ture which might be removably attached to minal tothe outerend of the horizontal leg a wagon body, the various cutting devices, grain guides and mechanism whereby they are vertically adjusted, may be readily employed with requisite efiiciency in a header of the wheeled type without departing in any way from the spirit of this invention.

Proceeding now to the description of the drawings, it has been found desirable for the sake of clearness to classify the several coacting elements of the header as follows: 1. The main supporting frame which receives the harvesting mechanism and is designed for attachment to a wagon body. 2. The supporting body or frame in which the cutting mechanism and elevator are immediately mounted and which is mounted for Vertical adjustment on the first mentioned supporting frame. 3. The means employed in accomplishing the vertical adjustment of this'last mentioned frame. l. The cutting mechanism itself and the grain guides associated therewith, and the elevator which is employed in conducting the severed grain heads from the knives into the wagon body.

Taking up therefore as first in order the description of the main supporting frame, this element of the invention includes a pair of bracket irons 10 and 11 which are substantially L-shaped in conformation and are preferably formed of rod steel or any other similar durable metal. The upper terminals of the vertical legs of these members 10 and f the jumping of the supporting frame from the sideboard of the wagon may be effectually guarded against.

The. two bracket irons 10 and 11 are, as best illustrated in Fig. 4-, braced by a transverse bar 16 which is connected at one ter- 17 of the member 11 and to an approximately central point of the horizontal arm 18 of the member 10. In this connection it is to be observed that the horizontal arm 17 is I approximately equal to one-half the length of the member 18, the obvious purpose of this being to provide space in which the gear wheels of the knife driving mechanism may be accommodated in a manner to be hereinafter fully disclosed in the description devoted to the cutting mechanism proper.

One terminal of the member 16 which is secured to the horizontal arm 17 is held in. fixed position by means of a vertically arranged standard 19 which consists preferably of a metal rod the lower terminal of which is screw threaded and projected through registering openings formed in the member 17 and adjacent terminal of the member 16. Looking nuts and washers are threaded on the member 19 and are clamped against the opposite faces of the members 16 and 17 as indicated at 20 and 21. The other and forward terminal of the member 16 is secured to the horizontal arm 18 in a somewhat similar manner by the insertion of one lee of the U-shaped standard 22 through registering apertures formed in the members 16 and 18 as will be readily observed upon reference to Fig. 1. In clamping the forward terminal of the member 1-; to the arm 18 in the desired manner, locking nuts 23 are threaded on the inserted terminal of the member 22 and are arranged to clamp against opposite faces of the members 16 and 18 in a manner previously ascribed to the locking nuts 20 and 21.

The purpose of the single rod standard 19 and U-shaped standard 22 will now become apparent in connection with the description of the cutting mechanism and elevator supporting frame which is taken up as next in order.

As previously set forth the supporting frame in which the cutting mechanism and elevator are immediately mounted is adapted for vertical adjustment with respect to the main supporting frame above described. There has therefore been provided a metallic frame which is preferably formed of a single length of metal and is bent to produce the four side bars 24, 25, 26 and 27. As will be observed upon reference to Fig. 4- particularly the member 24- is bent inwardly and thence rearwardly to produce a cutaway corner as at 28. There is thus formed a substantially rectangular frame one corner. of which is removed to provide space to accommodate the pinions and associated elements by which the cutting mechanism is actuated. Relative to the preferred structure of this last mentioned frame it is of course to be observed that if desired the various members 24, 25, 26, 27 and 28 may be made separately and bolted or otherwise secured in assembled relation in any desired and well known manner.

In mounting the cutter and elevator frame for vertical adjustment the present invention employs a pair of vertically arranged tubular sleeves 29 and 30 which are mounted for sliding movement on the vertical legs of the member 22 and are secured in fixed relation to the portion of the frame by means of U bolts 31. A tubular sleeve 32 similar to the members 29 and 30 is secured at its lower terminal to the member 27 by a U bolt indicated at 33 and is mounted for sliding movement on the single rod standard 19 which as previously set forth extends upwardly from the rear terminals of the member 16 and bracket iron 17. The upper terminals of the sleeves 29, 30 and 32 are secured by U bolts 34, 35 and 36 respectively, to a pair of bar members 37 and 38 which support the cutting knives as will be described in detail hereinafter. As a means for operating this adjustable frame there has been provided a bell crank lever 39 pivoted as at 40 to a dependent bracket 41 which extends from the horizontal arm 18 of the bracket iron 10 and carries a toothed sector clutch plate 42. The vertically arranged arm 43 of the bell crank lever is of course equipped with a pawl and operating means indicated as an entirety at 44 so that the arm 45 may be held in the desired adjusted position. The free terminal of the arm 45 is pivotally secured by a pivot pin 46 between the lower terminals of a pair of dependent bracket irons 47 and 48 which extend in parallel spaced relation to one another and are bolted or otherwise suitably secured at their upper terminals to opposite sides of the member 28 and at the inner corner thereof as will be readily observed upon reference to Figs. 3 and 4 in which this feature of the invention is best illustrated.

From the foregoing it is obvious that the driver of the wagon may by manipulating the lever arm 43 raise or lower the entire frame composed of the members 24, 25, 26, 27 and 28 to any desired position. As previously set forth the desirability of making this frame which carries the cutting mechanism and elevator vertically adjustable resides in the fact that this header is intended to be employed in harvesting Kafir corn, milo maize, Indian corn, broom corn, cane, and grains of a like nature the stalks of which are of varying lengths.

l/Vhile the lever arm 45has been illustrated as being manually operable, it is, of course, obvious that if so desired a foot controlled device may be employed for operatively connecting the lever arm 43 to one of the axles or wheels of the wagon, so that the rotation thereof may accomplish the adjustment of the arm 45.

The frame members 37 and 38 referred to above are in the preferred form superimposed above the lower frame members 25 and 27, being secured at their inner terminals to the sleeves 29, 30 and 32 by U-bolts, as previously described, and are held in the desired spaced relation and braced at their forward portions by means of the strap braces, indicated. at 49 and 50. These strap braces are bolted or otherwise secured in any desired manner. It has been found expedient in some instances to provide an additional brace for the members 38 and 27, as indicated at 51 in Fig. 3. This brace 51 in the preferred form is a metal strap, similar to the members 49 and 50, and is bolted or otherwise secured at its terminals, as at 52, to the members 38 and 27, being diagonally directed with respect to the horizontal plane thereof. The member 38 extends beyond the outside frame member 24, and is bent at right angles to itself to extend parallel therewith and exteriorly thereof, producing a bar or supporting beam 53 which extends longitudinally of the header, reference being had in this respect to the line of draft thereof. A somewhat similar beam 54 is arranged interiorly of the member 53 being substantially lL-shaped in conformation and having its transverse portion 55 secured to the transverse portion 38 of the member 53 by the U bolt 36, being also held in the desired position by means of the bolts by which the upper terminals of the braces 49 and 51 are attached to the member 38. These two members 53 and 54 are preferably made of l. beams, being disposed with the lateral portions of the beams in a horizontal plane as indicated at 56. These hori zontal portions 56 of the members 53 and 54 serve as ledges or supporting flanges for the fixed bar knives.

Coming therefore to the description of the cutting mechanism which as previously stated includes a pair of fixed bar knives and a rotatable knife, it will be observed upon reference to Fig. I particularly that these bar knives which are respectively designated as entireties by the numerals 57 and 58, consist essentially in a pair of flat metal plates the adjacent edges of which are formed with scalloped cutting edges indicated at 59. These members 57 and 58 are bolted or otherwise secured on the portions 56 of the supporting beams 53 and 54 and are arranged with their cutting edges 59 inwardly converging, thus producing a V- shaped throat into which the grain is urged by the movement of the wagon in a manner to be hereinafter disclosed in the description of the operation of the header.

The rotary knife indicated at 60 is preferably formed in the nature of a fan shaped blade having a central hub to receive the rotating shaft 61 and provided at opposite sides of its two arms with knife edges as at 62. The shaft 61 is journaled at its upper terminal in a plate 64 which is secured to the corner portion of the beam 54 and is arranged so that the cutting edge 62 of the knife 60 will pass across the space comprehended between the inner terminals of the knives 57 and 58. This arrangement is necessary in order that the grain stalks clogging at the inner end of the knife throat may be severed and directed across the inwardly disposed knife 58 on to the elevator which will be described in detail hereinafter.

Spacing collars indicated at 63 are arranged on each side of the knife 60 for an obvious purpose. On the upper terminal of the shaft 61 and keyed thereon for rotation with the knife 60 is a cam bar 65 the arms or extensions 66 of which are oppositely curved and are designed to bear against the movable grain guide 67 in advance of the cutting edges 62, the construction of which is to be now disclosed. This member 67 is formed from a length of resilient wire of heavy gage, although it has been found desirable when the grain is particularly heavy to employ resilient steel rods of small diameter. In constructing the member 67 the rod or wire is bent to produce a U shaped conformation the upper arm being bent to form a claw or hook shaped guide finger 68 and the lower arm being angularly and inwardly directed as at- 69 and subsequently directed downwardly as at '70and thence returned in the'direction of the portion 69, being terminally wound around the spindle 71 to produce a helical spring 73. The upper extreme terminal of this spring :73 is 'bent to hook over the member 69 as indicated at M. A'single convolution or eyelet 75 is formed in the lower arm of the member 67 at the junction of the portion 69 and is mounted for rotation on the spindle 71 at the upper terminal thereof as will readily observed upon reference to Fig. 3. In holding the eyelet 75 and helical spring 73 in'proper position on the spindle 71 a nut 76 is threaded on the extreme upper terminal of the spindle as will be readily observed upon reference to either Figs. 1-or 3. Relative to the normal disposition of this movable grain guide, it is to be observed that the'upper and lower arms of the U shaped guide are disposed in a common vertical plane passing through the knife 57 slightly outside of the edge thereof so that when the guide arms are swung in a manner to be hereinafter set forth, they will urge the grainstalks against the edge 59 of the knife 58, severing them and projecting'them onto the elevator. The upper and lower arms of this movable guide and the bight portion connecting them are bent at right angles to the major length of the arms as indicated at 77 so that the grain may enter the throat formed by the knives '57 and 58 without hindrance. As a means for limiting'the swinging movement of this movable guide member and for affording an additional set of guide fingers or arms whereby the grain is directed into the elevator, this invention employs a pair of fixed guide members 78 and 79 which are constructed of material similar to the movable or swinging guide member and are each bent intermediate their length to produce a vertical 'leg and a horizontal leg. The lower terminals of the members 78 and 79 are secured to the forward terminals of the knife blades 57 and 58 by being wound around the shanks of a pair of bolts 80 and 81 as best illustrated in Fig. 1. Burs or nuts are threaded on the upwardly projecting terminals of the bolts and are brought to bear against the terminals of the members 78 and 79 to bind them against the fixed knife blades. The horizontal legs 82 and 83 of the fixed guide members are bent to produce hook shaped fingers similar to the member 68 of the movable guide, the hook portion of the member 82 being arranged beneath the plane of the hook portion 68 of the movable guide member and in vertical alinement therewith, while the hook portion of the horizontal arm '83 of the member 79 corresponds in its curguides, it may be well to interpolate a brief description of the manner in which the movable grain guide is oscillated in a horizontal plane in the manner above set forth. In this connection it will be observed that upon the rotation of the shaft 61 the arms 66 of the cam bar 65 operating in advance of the knife 60 will intermittently strike the bight portion 70 of the movable guide, swinging the upper and lower arms of the guide across the space comprehended between the blades 57 and 58 against the tension of the spring 73. This spring 73 will of course operate to return the arms of the movable guide to normal position in vertical alinement with the knife blade 57 immediately upon the passage of each cam arm 66. It is desirable at this oint to lay particular emphasis on the fact that this movable grain guide is of utmost simplicity in its construction and operates to positively urge the grain stalks against the fixed knife blades and to subsequently direct them onto the grain elevator to be next described.

Coming therefore to the description of the grain elevator, this element of the invention designated as an entirety in Fig. 1 by the numeral 84, includes in the preferred embodiment a pair of sideboards 85 and 86 which are angularly arranged with respect to the horizontal plane of the header frames to dispose their upper terminals in a plane comprehended between the sidebcards of the wagon. A traveling apron 87 is mounted on rollers carried between the sideboards 85 and 86 at their upper and lower terminals and preferably consists of a canvas belt provided with a plurality of transversely arranged longitudinally spaced strips or ribs 88. In this connection it is to be noted, how-- ever, that any other type of traveling belt or apron may be employed without departing from the spirit of this invention. The lower roller of the elevator or conveyer indicated at 89, is journaled at its forwardly disposed terminal in the frame member 25, while its rear terminal is journaled in the transverse portion of the frame member 28 as indicated at 90. In order to permit the elevator to be adjusted to any desired angle of inclination there has been provided an adjustable brace designated as an entirety at 91 in Fig. 3. This brace consists preferably in a U shaped rod the arm terminals of which are formed with hook members 92 which are insertible in bores or apertures formed in the sideboards 85 and 86 of the elevator and are removable therefrom since the member 91 is formed of a resilient steel rod. In practice it has been found expedient to provide the sideboards 85 and 86 with a longitudinally extending series of spaced apertures Which adapt it to receive the terminal hooks 92 of the brace 91 so that by applying the hooks to various apertures the in clination of the elevator may be readily adjusted. The bight portion of the member 91 is bent to produce a downwardly extending neck which as illustrated in Fig. 4 comprises a pair of vertically extending spaced mem bers 93 and 94c which are adapted to receive the shank of a retaining bolt indicated by dotted lines at 95. A nut and washer respec' tively, indicated by dotted lines at 96 and 97 in Fig. 4 are applied to the bolt 95 toclamp the members 93 and 94 against the portion 26 of the main frame of the header.

It will be apparent from the foregoing that by manipulating the nut 96 the arms 93 and 9% may be vertically adjusted with respect to the frame member 26 resultantly providing for the adjustment of the inclination of the elevator.

Passing now to the means employed in rotating the knife the cam and the elevator or conveyer 87, it will be observed that there has been provided a. drive shaft 97 which is journaled in the frame members 26 and 28 at the rear portion of the main sup porting frame. The outer terminal of the drive shaft 97 extends beyond the member 28 and carries a beveled pinion 98 which is disposed to mesh with similarly beveled pin- 9 ions 99 and 100 respectively keyed on the terminals of the shaft 61 and the roller 89 of the elevator. Obviously the rotation of the drive shaft will effect simultaneous rota tion of the apron 87, rotary knife 60 and the cam 65. The lower terminal of the member 61 is journaled in the horizontal arm 101 of an L shaped bearing plate 102 the vertical portion of which is apertured to receive the adjacent terminal of the drive shaft 97 and is interposed between the frame member 28 and a hub collar 103 carried by the inner face of the pinion 98. A collar 104 is interposed between the member 101 and the pinion 99 for the obvious purpose of spacing this latter member from the bearing plate so that all unnecessary friction will be eliminated. The innermost terminal of the shaft 97 is held against longitudinal movement through the frame member 26 by a pair of collars 105 and 106 arranged to bear against opposite sides of the member 26 as will be readily observed upon particular reference to Fig. 41. The collar member 105 is formed with a plurality of clutch teeth 107 which are engageable by clutch teeth 108 formed on a slidable clutch member 109. The slide.- ble clutch member 109 is splined on the terminal of the drive shaft 97 and is equipped with a grooved hub 110 which is formed integrally with the member 109 and is adapted to receive the yoke arms 111 of a shifting lever 112. This shifting lever 112 is pivoted intermediate its length as at 113 to an L shaped plate 114: and its forward terminal is bent upwardly as at 115 so that it may be readily operated from the drivers seat. A spur toothed pinion 116 is formed on the clutch number 109 and receives a drive chain 117 which is operatively connected to a pin ion 118 carried by one of the rear wheels of the wagon. In manufacturing the machine of this invention it has been found desirable to include a pinion which may be readily attached to any wagon wheel and the member 118 has therefore been equipped with a number of U bolts indicated at 119. These U bolts are passed around the spokes of the wheel and are inserted through spaced apertures formed in the member 118. Nuts 120 are applied to the threaded shanks of the U bolts 119 and hold the member 118 firmly against spacing sleeves 120 which are mounted on the shanks of the U bolts and are interposed between the pinion and the spokes of the wheel.

By reference to the foregoing it may be apparent that the adoption of the header of this invention is facilitated by the provision of a. pinion which may be attached to or detached from any wagon wheel.

The means for tightening the drive chain 117 of this invention employs a tightening device indicated as an entirety by the numeral 122. In the preferred embodiment this device includes an adjustable arm 123 and a roller 124 which is loosely journaled on the angular terminal 125 of the arm and bears against the upper strand of the chain. In adjustably attaching the arm 123 to the header a threaded bolt 126 is passed through the elongated eye 127 formed at the terminal of the arm 123 and is projected through the inner end of the frame member 38 as will'be observed most readily upon reference to Fig. 3.

The actual construction and arrangement of the various elements of the invention being thus described in detail it now remains to describe the operation of the various devices when'the machine is employed in harvesting grain.

Briefly the operation is as follows: The pinion 118 is first applied to a rear wheel of the wagon and the header is then lifted as an entirety to engage the hook terminals of the hanger irons and 11 over the side of the wagon. The drive chain 117 is then applied to the pinion 118 and the pinion 116 of the drive shaft 97 and the header is ready for use. As the wagon is driven forward through the grain field the grain obviously enters the throat comprehended between the knife blades 57 and 58, being guided into this entrance by a pair of divergent prongs 128 and 129. As the grain passes between the knives 57 and 58 the majority of it will be out and will pass over the inner knife 58 onto the elevator the apron of which, as previously set forth, begins to rotate as soon as the drive shaft 97 is actuated. The grain thus severed passes up the apron 87 and is deposited in the wagon body. The utility of the rotary knife 60 now becomes apparent for it has been found that frequently a portion of the grain is not operated upon the knives 57 and 58 and clogs in the inner end of the throat. Such clogging is guarded against, however. by the provision of this rotary knife which will sever the choked grain permitting the movable grain guide67 to urge all the grain ontothe elevator in the manner previously described. As heretofore stated the entire cutting mechanism and elevator may be raised or lowered to adapt the header for efficient operation whether the grain be long or short. The driver of the wagon may throw the pinions which operatively connect the drive shaft tothe elevator and the cutting mechanism out of mesh with the drive shaft pinion 98 by shifting the lever 112 to disengage the clutch teeth of the movable clutch collar 109 from the member 105; After the amount of grain out completely fills the wagon body the header may be completely removed and mounted on another wagon leaving the filled wagon in condition for immediate transportation to the granary or shipping-depot. In this fact lies one; oftheprincipal and most important features of the invention.

In reduction to practice, I have found that the form of my invention, illustrated in the drawings, and referred to in the above description. as the preferred embodiment, is the most eflicient and practical; yet realizing that the conditions concurrent with the adoption of my device will necessarily vary, I desire to emphasize the fact that various minor changes in details of construction, proportion and arrangement of parts may be resorted to, when required, without sacrificing any of the advantages of my invention, as defined in the appended claims.

Having thus described the invention, what is claimed as new is:

1. The combination in a device of the character described, of a main supporting frame adapted for attachment to a wagon body, a vertically adjustable frame carried by the main frame, cutting mechanism, an elevator for receiving the grain therefrom and dcpositing it in the wagon body, grain guides adapted to direct the cut grain from the cutting mechanism to the elevator, one of said grain guides being relatively fixed and being formed of resilientmaterial, and a movable member for periodically flexing the said resilient guide, whereby the grain may be periodically forced against the cutting mechanism and in the direction of the elevator by the said guide.

2. The combination in a device of the character described, of a main supporting frame adapted to be removably attached to a wagon body. a secondary frame mounted for vertical. adjustment on the main frame, means for holding the second mentioned frame in adjusted position, a relatively fixed cutting element carried by the secondary frame, a rotary cutting element carried by the secondary frame and coacting with the fixed cutting element, co-acting guide members for the grain, one of said guide members consisting of a resilient wireframe, a

cam member rotatable with the removable cutting element and working in advance thereof for periodically and automatically flexing the resilient guide member, and an elevator adapted to receive the grain from the cutting mechanism and to deposit it in the wagon body, and means operatively connected to a wheel of the wagon for actuating the rotary cutting element and the elevator.

3. A grain header adapted for attachment to a wagon body, said header including main supporting frame, a secondary supporting frame vertically adjustable therein, fixed cutting elements, a revoluble cutting element disposed at the inner terminals thereof, coacting grain guides superposed above the fixedco-acting members and each consisting of a resilientvwire frame, each of said frames being longitudinally curved for guiding the grain from the fixed cutting members onto the elevator, and a cam bar rotatable with the rotatable knife and working in advance thereof for periodically flexing the first of said guide members whereby the grain may be periodically urged against the cutting mechanism to prevent clogging and may be forced onto the elevator.

4. The combination in a device of the character described, of a main frame, a vertically adjustable secondary frame mounted therein, fixed cutting knives carried by the secondary frame, a movable grain guide mounted above the knives, a cam member rotatably mounted in the secondary frame and engageable with the movable grain guide for periodically moving the same against the grain passing between the knives and fixed grain guides co-acting with the movable grain guide, and an elevator mounted in the secondary frame and positioned to receive the grain from the grain guides.

5. The combination in a device of the character described, of a main supporting frame, a secondary frame mounted in the main frame, fixed cutting knives arranged in spaced relation to each other in the secondary frame, a rotary cutting knife positioned adjacent the inner ends of the fixed cutting knives and spaced above the same for out ting any grain which passes through the fixed knives uncut, a fixed grain guide mounted on each side of the space between the fixed knives, a movable grain guide mounted on one side of the space between the fixed knives, a cam member rotatable with the said rotary knife for periodically swinging the movable guide across the space between the fixed knives, and an elevator positioned to receive the grain from the grain guide.

6. In a machine of the character specified, the combination of grain guides arranged to form a longitudinal and lateral grain passage, a member arranged at one side of the grain passage and pivoted intermediate of its ends and rotary means arranged approximately at the juncture of the longitudinal and lateral portions of the grain passage to positively move the grain through the passage and engageable with the rear end of the pivoted member to swing the front end of such member across the receiving end of the grain passage.

7. The combination in a device of the character described, of a pair of spaced relatively fixed cutting knives, fixed grain guides mounted on each side of the space between the knives, an elevator positioned to receive the grain from the grain guide, a movable grain guide, means for periodically swinging the movable guide across the space between the knives whereby the grain passing through the knives is periodically forced toward the elevator, and resilient means formed integrally with the movable grain guide for periodically returning said movable guide to normal position at one side of the space between the cutting knives.

In testimony whereof I afiix my signature in presence of twowitnesses.

ROBERT A. PORTER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

US1145919A 1913-09-03 1913-09-03 Heading-machine. Expired - Lifetime US1145919A (en)

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