JPH05276826A - Thresher - Google Patents

Abstract

PURPOSE:To obtain a thresher workable even in a narrow open space, having simple connecting mechanism to a transmission shaft, not causing position deviation even in returning to the original position. CONSTITUTION:In a thresher having a grain culm supplying and transferring device 12 consisting of a threshing chamber 15 supporting a threshing cylinder 16 on a shaft, an open window 41 for maintenance attached to part of the side of the threshing chamber 15, a detachable side cover 28 for closing the open window 41, a holding lever 30 fixed to the outside of the side cover 28 and a supplying and transporting chain 34 hung from a starting side to an end side of the threshing chamber 15, the supplying and transporting chain 34 is vertically moved around the starting side of the end side in such a degree as not to cause a hindrance to opening and closing operation of the side cover 28 of the open window 41.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing device such as a combine harvester.

[0002]

2. Description of the Related Art In the publicly known Japanese Utility Model Laid-Open No. 1-167839, a threshing chamber in which a handling cylinder is mounted, a maintenance opening window formed in a part of a side portion of the threshing chamber, and the opening window are disclosed. A grain culm feeding / conveying device comprising a detachable side cover that is closed, a slinging rod that is attached to the outside of the side cover, and a feeding and conveying chain that is hung from the starting end side to the terminating side of the threshing chamber. In the threshing device having and, the supply transport chain,
The description is given of the structure that opens to the front side with the terminal side as the center.

[0003]

The supply / conveyance chain of the above-mentioned known example is constructed so as to open to the front side with the terminal side as the center. However, in the structure of opening to the front side, the opening for maintenance must be opened unless it is opened 90 degrees or more. A large open area is required around the thresher as the windows cannot be opened. Also,
Since it is rotated to the front side, the connection mechanism between the rotary shaft of the passive gear or the drive gear and the transmission shaft on the machine side becomes complicated. In addition, even if it is returned to the original position after the front side rotation, a positional deviation may occur, which may hinder the transportation and supply of the grain culms.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus which can be implemented in a narrow open space, can be easily connected to a transmission shaft, and can be returned to its original position without misalignment. It is what

[0005]

According to the present invention, a threshing chamber 15 around which a handling cylinder 16 is mounted, a maintenance opening window 41 formed in a part of a side portion of the threshing chamber 15, and the opening window 41 are provided. It consists of a removable side cover 28 that closes, a slidable rod 30 attached to the outside of the side cover 28, and a supply / conveyance chain 34 that hangs around the threshing chamber 15 from the start end side to the end side. In the threshing device having the grain culm supply / transport device 12, the supply / transport chain 34 moves up about the start end side or the end side to such an extent that the opening / closing operation of the side cover 28 of the opening window 41 is not hindered. This is a threshing device.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.
Is a machine frame of the combine, 2 is a traveling device provided below the machine frame 1, 3 is a threshing device provided above the machine frame 1, and 4 is a cutting unit provided in front of the machine frame 1. In the reaping unit 4, the grass body 5 at the foremost position, a raising device 6 for raising the grain culm behind the vegetation body 5, and a scraping device for scraping the grain culle raised by the raising device 6 (illustration) (Omitted), a cutting blade 8 for cutting the root portion of the scraped grain culm, a stock carrier transporting device and a tip transporting device for holding and transporting the stock of the cut grain stalk, and the like. 9 is a mowing vertical cylinder,
Reference numeral 10 is a mission case of the traveling device 2, 11 is a stock-source transfer device that transfers the grain stalks cut by the shaving unit 4 to a grain stalk supply / transport device 12 that supplies the grain thresher 3 to the threshing device 3, and 13 is a tip transmission device. ..

Thus, a threshing chamber 15 is formed in the upper front part of the threshing device 3 in the machine traveling direction, and a threshing chamber 16 is axially mounted in the threshing chamber 15. 1
7, and the wind selection chamber 18 is provided at a position substantially below the handling net 17.
To form. In FIG. 6 and subsequent figures, 19 is an oscillating selection frame body that is swingably provided in the wind selection chamber 18, 20 is a blast fan for blowing air to the wind selection chamber 18, and 21 is provided below the oscillating selection frame body 19. A pulley for the first conveyor and a pulley 22 for the second conveyor. In addition, 23 is a side plate of the processing chamber provided on the side of the threshing chamber 15, 24 is a straw processing unit, 25 is a straw transport device,
26 is a discharge auger for discharging grains in the Glen tank, 2
7 is a fixed side plate of the threshing chamber 15.

Therefore, a part of the threshing chamber 15 and / or
Alternatively, a maintenance opening window 41 is formed on a part of the side of the wind selection chamber 18, and a side cover 28 that closes the opening 41 is detachably attached to the machine body side. Reference numeral 29 denotes an attachment / detachment operation lever of a mounting bracket for attaching the side cover 28 to the machine body side. The upper edge of the side cover 28 is inclined so as to become higher toward the rear, and the grain is provided between the upper edge of the cover 28 and the lower edge of the sling rod 30 of the grain culm feeding and conveying device 12 described later. The grain culm transport passage 31 is formed by the culm supply and transport device 12, and the grain culm supply and transport device 12 transports the grain culm in the transport passage 31. Therefore, the grain culm feeding / conveying device 12 is located on the side of the 41 and the side cover 28.

The sling rod 30 of the grain culm feeding and conveying device 12 is attached to the rotating end side of an upper cover 32 which covers the upper part of the threshing chamber 15, and when the upper cover 32 is moved upward, it is integrally moved upward. It is configured to do. Reference numeral 33 is an upward movement holding member that assists the upward movement of the upper cover 32 and holds it in the upper position. The feeding / conveying chain 34 of the grain culm feeding / conveying device 12 has a passive gear 3 at the starting end portion of an upper chain guide rail 35 for guiding the chain in the upper stroke of the feeding / conveying chain 34.
6, a drive gear 37 is provided at the end, a lower chain guide rail 38 for guiding the lower stroke chain is provided below the upper chain guide rail 35, and a tension is provided at the rear of the lower chain guide rail 38. A gear 39 is provided, and is wound between the passive gear 36, the drive gear 37, and the tension gear 39 (the lower chain guide rail 38 may not be provided). The supply / conveyance chain 34 is configured such that the upper chain guide rail 35 and the lower chain guide rail 38 are moved upward on the passive gear 36 side around the rotation shaft 40 of the drive gear 37 so that the side cover 28 is laterally moved. Is rotated from the working position located at to the non-working position retracted from the side of the side cover 28.

43 is a spring, 44 is an engaging plate attached to the lower surface of the upper chain guide rail 35 on the side of the starting end, 45 is an engaging groove of the engaging plate 44, and 46 is an engaging shaft provided on the threshing device 3 side.
47 is a cam body attached to the engagement shaft 46, 48 is an operating lever, 49 is a front plate of the threshing device 3, and 50 is a grain culm supply port. A holding plate portion 51 for holding the handling net 17 is formed inside the side cover 28, and when the side plate side cover 28 is attached, an action of holding the handling net 17 is expected. Reference numeral 52 is a cutting blade attached to the inner surface of the upper cover 32.

FIGS. 5 to 8 show the grain culm feeding and conveying device 12 described above.
It is a second embodiment of the moving structure of. The rotary shaft 53 of the passive gear 36 is rotatably attached to an attachment member 54 fixed to the machine body side, and the drive gear 37 side is configured to move upward. FIG. 9 shows the connection configuration of the rotating shaft 40 of the rotating drive gear 37 and the input shaft 56 protruding from the transmission case 55 provided on the machine side. The rotating shaft 40 and the input shaft 56 are shown in FIG.
The engagement groove 57 is formed in one of the two, and the engagement piece 58 is formed in the other. Reference numeral 59 is a bolt for fixing the upper chain guide rail 35 to the machine body side.

10 to 12 show the side cover 28.
Is attached to the upper chain guide rail 35 and the lower chain guide rail 38 of the grain culm supply and transport device 12, and is moved by the upward movement of the supply and transport chain 34 of the grain stalk supply and transport device 12.
41 is configured to be opened, and the grain culm feeding and conveying device 12
In order to facilitate the upward movement of the supply / transport chain 34, the drive gear 37 is slidably mounted in the axial direction of the rotary shaft 40.

The embodiment of FIGS. 13 to 15 is constructed so that the starting end portion of the supply / conveyance chain 34 of the grain culm supply / conveyance device 12 moves up and down around the rotation shaft 40 of the drive gear 37. A mounting member 61 having a U-shape in a side view is fixed to the engaging plate 44, a shaft 62 is vertically penetrated through the mounting member 61, and the mounting member 61 is mounted so that only a downward movement is possible. The upper end of 62 is fixed to the upper chain guide rail 35, and the mounting member 61 is biased by a spring 63 so as to always move upward. When the pressing of the engagement plate 44 by the cam body 47 is released by the operation lever 48, the starting end portion of the supply / conveyance chain 34 has the upper chain guide rail 35, the shaft 62, and the mounting member 6.
1 and the engaging plate 44 are integrally moved upward, and 41 can be opened.

In the embodiment shown in FIGS. 16 to 18, the starting end portion of the feeding / conveying chain 34 of the grain culm feeding / conveying device 12 is constructed so as to move up together with the slidable rod 30. And the upper chain guide rail 3 of the supply and transport chain 34
5, the protrusions 65 and 66 are provided respectively, and the protrusion 65
The connection member 67 between the protrusion 66 and the protrusion 66 is removed, and when the maintenance is performed, the connection member 6 is interposed between the protrusion 65 and the protrusion 66.
Connect by 7.

In the embodiment shown in FIGS. 19 to 20, the grain culm feeding and conveying device 12 is provided with passive gears 70 and 71 at the end of the upper chain guide rail 35 in the front and rear, and the passive gear 71.
The drive gear 3 fixedly provided on the machine side between the lower gear guide rail 38 and the tension gear 39 provided at the rear portion of the lower chain guide rail 38.
7 is provided, and the supply / conveyance chain 34 is undulated so as to pass through the lower surface side of the passive gear 71, the upper surface side of the drive gear 37 and the lower surface side of the tension gear 39, and the supply / conveyance chain 34 is removed from the drive gear 37. Instead, the supply / conveyance chain 34 is configured to be moved upward. In this case, supply and transport chain 3
The upper chain guide rails 35 and the lower chain guide rails 38 of the upper chain guide rails 35 of the upper chain guide rails 35 and the feeding and conveying chain 34 of the upper chain guide rail 35 and the lower chain guide rails 38 of the upper and lower cover rails 4 and 4 are integrally moved together with the upper cover 32. The projections 65 and 66 are provided on the front and rear sides, respectively, and the projections 65 and 66 are connected by a connecting member 67 and moved upward. Further, at the time of work, the front and rear portions of the lower chain guide rail 38 are fixed to the fixing portion of the machine body by the fixtures (clamps) 72.

In the embodiment shown in FIG. 21, the handling cylinder 16 is mounted on a rotatable movable plate 73 (a rear movable plate is not shown), and the movable plate 73 is provided with the grain culm feeding and conveying device 12. The sliding rod 30 is attached, and the sliding rod 30 and the feeding / conveying chain 3 are attached.
4, the projections 65 and 66 are provided on the front and rear sides of the upper chain guide rail 35, respectively.
6 and 6 are connected by a connecting member 67 so that they can be moved upward. Reference numeral 74 is an upward movement auxiliary member (gas spring, hydraulic cylinder, etc.) for moving the handling cylinder 16 upward.

In the embodiment shown in FIGS. 22 to 24, the feeding / conveying chain 34 of the grain culm feeding / conveying device 12 is configured such that the upper chain guide rail 35 and the lower chain guide rail 38 are integrally detachable by means of the fittings 72. It is attached to the fixed part of the machine body.

[0018]

[Operation] Next, the operation will be described. Since the present invention has the above-described configuration, the grain culm is weeded by the grass body 5 of the cutting unit 4, the culled grain culm is raised by the raising device 6, and the root side of the raised culm is the cutting blade 8 The scraped grain culms are scraped by the scraping device, transported by the stock-source transfer device and the tip-end transfer device, and transferred to the stock-source transfer device 11 and the end-head transfer device 13 to transfer the stock-source transfer device. 11 and the tip transfer device 13 take over the grain culm to the grain culm supply and transport device 12 and supply it to the threshing chamber 15 for threshing.

Therefore, it is necessary to maintain the inside of the threshing chamber 15 and the inside of the wind selecting chamber 18, but the threshing chamber 15
And an opening window 41 for maintenance is formed on a side portion of the air selection chamber 18 and a side cover 28 that closes the opening window 41 for maintenance has a grain culm feeding and conveying device. 12 is provided, when the operation lever 48 is rotated around the engagement shaft 46 to release the pressing of the engagement plate 44 of the upper chain guide rail 35 of the grain culm feeding and conveying device 12 by the cam body 47, the grain culm is released. The upper chain guide rail 35 and the lower chain guide rail 38 of the supply / conveyance chain 34 of the supply / conveyance device 12 rotate upward about the rotation shaft 40 of the drive gear 37 on the terminal side, and the side portion of the side cover 28 is rotated. When the side cover 28 is removed from the machine body by operating the attachment / detachment lever 29 further upward, the maintenance opening window 41 is opened, and a part of the threshing chamber 15 and the wind selection chamber are opened. 18 Some of the side is opened, it can maintain the desorption or oscillating screening device frame 19 of 扱網 17. Therefore, the supply / conveyance chain 34 can be retracted from the side portion of the side cover 28 without being removed from the gears 36, 37, etc., and the transmission mechanism can be simplified. Work can be done easily even on the cutting side. Further, the supply / conveyance chain 34 can be accurately returned to its original position, and there are few obstacles for resuming work.

In the second embodiment shown in FIGS. 5 to 8, the rotary shaft 53 of the passive gear 36 provided at the starting end of the upper chain guide rail 35 of the grain culm feeding and conveying device 12 is attached to the mounting member 54 fixed to the machine side. Since the drive gear 37 side is mounted so as to be rotatable only and the drive gear 37 side is moved upward, the bolt 59 is removed and the drive gear 37 side is the rotating shaft 5 of the passive gear 36 on the starting end side.
When the side cover 28 is removed from the side of the machine body by rotating upward about the center of FIG. 3 and retracting from the side of the side cover 28, the maintenance opening window 41 is opened and the threshing chamber 15 of the threshing chamber 15 is opened. A part of the air selection chamber 18 and a part of the side of the air selection chamber 18 are opened, so that the handling net 17 can be attached / detached and the swing selection frame 19 can be maintained.

In this case, the positional relationship between the passive gear 36 and the drive gear 37 of the grain culm feeding and conveying device 12 is such that the passive gear 36 is low and the drive gear 37 is positioned higher than the passive gear 36.
Since the upper chain guide rail 35 inclines higher toward the rear side, the upper chain guide rail 35 is retracted from the side portion of the side cover 28 even if the upward movement range of the terminal portion of the upper chain guide rail 35 is reduced. Further, as shown in FIG. 9, since the engaging piece 58 is formed at the end of the rotary shaft 40 of the rotating drive gear 37 and the engaging groove 57 is formed in the input shaft 56, the drive gear 37 is formed. The supply / conveyance chain 34 can be moved upward without removing the supply / conveyance chain 34 from 37, and the rotary shaft 40 of the drive gear 37 and the grain culm supply port 50 can be connected.

In the third embodiment shown in FIGS. 10 to 12, the drive gear 37 is mounted slidably in the axial direction of the rotary shaft 40, so that the drive gear 37 is located outside the rotary shaft 40 in the axial direction. When slid, the side cover 28 and the holding plate portion 51 attached to the upper chain guide rail 35 and the lower chain guide rail 38 are laterally separated from the handling net 17, and in this state, the upper chain guide rail 35 and When the starting end side of the lower chain guide rail 38 is moved upward, the maintenance opening window 41 can be opened.

In the fourth embodiment of FIGS. 13 to 15, when the pressing of the engagement plate 44 by the cam body 47 is released by the operation of the operating lever 48, the starting end portion of the supply / conveyance chain 34 and the upper chain guide rail 35 and the shaft. 62, the mounting member 61, and the engaging plate 44 move upward integrally, and when the side cover 28 is removed, the maintenance opening window 41 is opened. Further, at the time of work, even if the amount of grain culm to be supplied to the grain culm supply / conveyance device 12 increases due to a sudden increase in the traveling speed of the machine body or the like, the start end portion of the supply / conveyance chain 34 descends and becomes blocked. In addition, the elastic force of the spring 63 always moves the start end side of the supply / conveyance chain 34 upward, so that the supply / conveyance chain is reliably held and conveyed.

In the fifth embodiment shown in FIGS. 16 to 18, the upper chain guide rail 35 of the slidable rod 30 and the supply and transport chain 34 is used.
Connecting member 6 for connecting each of the protrusions 65 and 66 of the
7 is removed to perform mowing and threshing work, and in this state, the upper cover 32 is moved upward to move the sling rod 30 upward to remove the jammed grain culm. Then, the protrusion 65 and the protrusion 6
6 is connected by a connecting member 67, the sliding lever 30 is moved upward in conjunction with the upward movement of the upper cover 32 assisted by the upward movement holding member 33 (gas spring, hydraulic cylinder, etc.), and the sliding movement is increased. The upper chain guide rail 35 and the lower chain guide rail 3 of the supply / conveyance chain 34 are moved by the upward movement of the rod 30.
When 8 moves up and the side cover 28 is removed, the maintenance opening window 41 is opened.

In the sixth embodiment shown in FIGS. 19 to 20, the grain culm feeding and conveying device 12 includes the upper chain guide rail 35.
Passive gears 70, 71 are provided in the front and rear at the terminal end of the drive gear 37, and a drive gear 37 fixedly provided on the machine side is provided between the passive gear 71 and the tension gear 39 provided at the rear part of the lower chain guide rail 38. Since the supply / conveyance chain 34 is wound in a wave shape so as to pass through the lower surface side of the passive gear 71, the upper surface side of the drive gear 37, and the lower surface side of the tension gear 39 (so-called external transmission), the sling rod 30 and the supply / conveyance chain. The projections 65 and the projections 66 on the front and rear sides of the upper chain guide rail 35 of 34 are connected by a connecting member 67, respectively, and the attachments 72 are removed.
The supply / conveyance chain 34 is moved upward without removing. The drive gear 37 can be replaced with one having a different number of teeth, and the transport speed of the grain culm supply / transport device 12 can be changed.

In the seventh embodiment shown in FIG. 21, the handling cylinder 16 is pivotally mounted on a rotatable movable plate 73, and the movable rod 73 is attached with the sling rod 30 of the grain culm feeding and conveying device 12.挾 扼 杆 3
0 and the upper chain guide rail 3 of the supply transport chain 34
Since the projections 65 and 66 are provided on the front and rear sides of the No. 5 respectively, the upper cover 32 is moved upward to move the threshing chamber 1
5 maintenance, handle barrel 16 and slidable rod 3
0 is moved up to perform maintenance such as removal of jammed grain culms, and the protrusions 65 and 66 are connected by a connecting member 67 so that the sliding rod 30 and the supply / conveyance chain 34 are moved upward. Maintenance can be performed by removing the part cover 28.

In the eighth embodiment shown in FIGS. 22 to 24, the upper chain guide rail 35 and the lower chain guide rail 38 of the supply / conveyance chain 34 of the grain culm supply / conveyor unit 12 are integrally attached / detached by the attachments 72. Since it is freely attached to the fixed portion of the machine body, the fixture 72 is removed to remove the upper chain guide rail 35 and the lower chain guide rail 38 from the machine body for maintenance.

[0028]

[Effect] According to the present invention, the threshing chamber 15 in which the handling cylinder 16 is mounted,
A maintenance opening window 41 formed in a part of the side portion of the threshing chamber 15, a detachable side cover 28 for closing the opening window 41, and a sling rod attached to the outside of the side cover 28. In the threshing device having a grain culm supply / conveyance device 12 composed of 30 and a supply / conveyance chain 34 hung from the start side to the end side of the threshing chamber 15, the supply / conveyance chain 34 is the start side or the end side. Since the threshing device is designed to move up to the extent that it does not hinder the opening / closing operation of the side cover 28 of the opening window 41 about the side, the structure that opens to the front side must be opened 90 degrees or more. Although the maintenance opening window cannot be opened, in the present invention, since the supply / conveyance chain 34 is rotated upward, the maintenance opening window 41 does not require a large open space around the threshing device. Was opened, it can be maintenance.
Further, since it is configured to rotate upward, the passive gear 36
Also, it is not necessary to remove the supply / conveyance chain 34 from the drive gear 37, and there is no need to complicate the connection mechanism between the rotary shafts of the passive gear 36 and the drive gear 37 and the transmission shaft on the machine side. Further, since the distance between the supply / conveyance chain 34 and the machine body does not change when it is returned to the original position, the subsequent conveyance and supply of the grain culms can be performed reliably and smoothly.

[Brief description of drawings]

FIG. 1 is an overall side view.

FIG. 2 is a side view of a main part.

FIG. 3 is a side view of a main part.

FIG. 4 is a front view of a main part.

FIG. 5 is a front view of a main part of the second embodiment.

FIG. 6 is a side view of the same.

FIG. 7 is a side view of the main part.

FIG. 8 is a side view of the main part.

FIG. 9 is a perspective view of a rotation shaft and an input shaft.

FIG. 10 is a side view of the third embodiment.

FIG. 11 is a plan view of the same main part.

FIG. 12 is a front view of the main part.

FIG. 13 is a front view of the essential parts of the fourth embodiment.

FIG. 14 is a side view of the same.

FIG. 15 is a side view of the main part.

FIG. 16 is a side view of the essential parts of the fifth embodiment.

FIG. 17 is a side view of the main part.

FIG. 18 is a front view of the main part.

FIG. 19 is a side view of the sixth embodiment.

FIG. 20 is a side view of the main part.

FIG. 21 is a front view of the essential portions of the seventh embodiment.

FIG. 22 is a side view of the eighth embodiment.

FIG. 23 is a side view of the main part.

FIG. 24 is a front view of the main part.

[Explanation of symbols]

1 ... Airframe frame, 2 ... Traveling device, 3 ... Threshing device, 4 ...
Mowing unit, 5 ... Weeding body, 6 ... Raising device, 8 ... Cutting blade, 9 ... Mowing up / down cylinder, 10 ... Mission case, 11 ... Stock takeover transfer device, 12 ... Grain shoot supply / transfer device, 13 ... Tip transfer transfer Device, 15 ... Threshing room, 16 ... Handling barrel, 17 ... Handling net,
18 ... Wind selection room, 19 ... Oscillating selection frame body, 20 ... Air blower,
21, 22 ... Pulley, 23 ... Side plate, 24 ... Straw processing unit,
25 ... Straw carrier device, 26 ... Discharge auger, 27 ... Fixed side plate, 28 ... Side cover, 29 ... Attachment / detachment operation lever, 30 ...
Sliding rod, 31 ... Conveying passage, 32 ... Upper cover, 33 ... Upper holding member, 34 ... Supply conveying chain, 35 ... Upper chain guide rail, 36 ... Passive gear, 37 ... Driving gear, 38 ...
Lower chain guide rail, 39 ... Tension gear, 40 ...
Rotation shaft, 41 ... Opening window for maintenance, 43 ... Spring, 4
4 ... Engagement plate, 45 ... Engagement groove, 46 ... Engagement shaft, 47 ... Cam body, 48 ... Operation lever, 49 ... Front plate, 50 ... Grain feed port, 51 ... Holding plate part, 52 ... Cutting blade, 53 ... rotary shaft, 54
... Mounting member, 55 ... Transmission case, 56 ... Input shaft, 57 ...
Engaging groove, 58 ... Engaging piece, 59 ... Bolt, 61 ... Mounting member, 62 ... Shaft, 63 ... Spring, 65 ... Projection, 66 ... Projection,
67 ... Connection member, 70 ... Passive gear, 71 ... Passive gear, 7
2 ... Attachment, 73 ... Moving plate, 74 ... Upper movement assisting member.

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[Procedure amendment]

[Submission date] June 25, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] Figure 9

[Correction method] Change

[Correction content]

[Figure 9]

Claims (1)

[Claims] 1. A threshing chamber 15 on which a handling cylinder 16 is mounted, a maintenance opening window 41 formed in a part of a side portion of the threshing chamber 15, and a detachable side cover for closing the opening window 41. 28, and a slider 30 attached to the outside of the side cover 28.
And a grain culm feeding / conveying device 12 comprising a feeding / conveying chain 34 hung from the starting end side to the terminating side of the threshing chamber 15.
In the threshing device having
Is the opening window 4 with the start end side or the end side as the center.
A threshing device that is moved up to such an extent that the opening / closing operation of the side cover 28 of No. 1 does not occur.