DE1781279A1 - Device for reloading hay, straw or similar material from a loading wagon to a conveyor or the like. - Google Patents

Description

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I »tent * nmeUung der fin * r> _r Andreiewski ¹ I * ¹ ** ¹ ? * ^D / * ⁿ Ιδ.9-1968 F. Liet, M. Liet and CH * Llet Dr.-41 ng. H·*·"** Loeeer, Smitsbreeweg 2-6, Netherlands 43 Esskn, Kettwi *

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Y rrichtune «to reload hay, straw or similar material

one.-. Loading wagons on a conveyor or the like. 1,781,279

When reloading hay, straw or similar material from a loading wagon to a conveyor or the like, especially to a blower, there is the difficulty that the material is very uneven and in falls from the loading wagon in large quantities at the same time. This can the blower does not simply process the material, but must first be distributed more evenly by hand. By this manual labor makes the reloading costly, while that too required 2 time is significantly extended.

The aim of the invention is to create a device which is capable of reloading hay or similar material from a Loading wagons on a conveyor are fully automatic, i.e. without manual work being required.

For this purpose, this gate direction is characterized according to the invention by a receiving base, on the initial part of which the material is unloaded from the loading wagon, and which ends with the end portion removed therefrom above the conveyor) a driver member, which the unloaded Material transferred from the beginning of the receiving tray to the end of the tray, and then poured down onto the conveyor} as well as one that extends some distance behind the starting part above the receiving floor Bückfuhr member with at least approximately the same width as the receiving base, the one with the receiving base a Durohlass for that on the conveyor material to be poured encloses, and that a second driver member comprises that is effective at the point of the passage in a direction opposite to the sighting of the first driver member.

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According to the invention, therefore, the first driver member transports the material to the passage, while the second driver member the Return of the too much cited material causes. In this way it is achieved that the material passes through the passage in a regular, Electricity is passed through a blower to be processed. The material is opposed by the two in the area in front of the culvert working driver links as it were combed apart, which improves the processing ability by means of the conveyor even further.

The height of the passage is preferably adjustable and regulates

in cooperation with the speed of movement of the two 'driver members, the amount of the conveyor or the like per unit of time supplied material. '

According to a favorable design of the gate direction The invention consists of the first driver member provided with drivers transverse rods, which at mutual distances on both sides of a endless chain or an endless belt are attached which chains or Belts are guided over guide wheels with horizontal axes of rotation and are driven, with the cross bars in the upper part above the Move the receiving tray from the initial part in the direction of the passage. TTm end the receiving floor above the conveyor or the like to let, it is generally .advantageous that this receiving base

at least over part of its length rises too obliquely to the end. For this purpose, the receiving base can be horizontal or slightly rising Beginning part and a rear part that rises to the bottom include, wherein the initial part is at such a height above the Soil extends that the material-from the loading wagon poured onto it ' can be.

The return member preferably extends substantially above the rear of the receiving tray. Here, the return element can form the passage with the end of the receiving base.

According to the invention, the second driver link can also I

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consist of cross bars provided with drivers, which are in mutual Are attached to endless chains or straps on both sides, which chains or belts via running wheels with horizontal axes of rotation are guided and driven.

Here, the return element can comprise a guide base, its width is at least approximately the same as that of the receiving tray

coincides while the cross bars of the second driver member move in the lower part under the guide floor in the direction away from the passage «

The invention is then explained using the drawing, which an embodiment of an inventive device for Reloading of hay, straw or similar material from a loading wagon onto a conveyor.

Fig. 1 is a side view of an embodiment of the gate direction according to the invention for reloading hay, str, oh or similar material from a loading wagon onto a conveyor.

Fig. 2 shows a vertical longitudinal axis of the door direction according to Fig. 1 on a larger scale.

FIG. 2a shows a detail of the average according to FIG 'in greater Uaszstab.

FIG. 3 is a front view of the door direction of FIG. 1. 4 and 5 show a side view and a rear view, respectively

of the conveyor according to Fig. 1.. .

Fig. 6 and'7 show a front view, .bzw. a side view a modified version of the conveyor.

The embodiment shown in the drawing of gate direction according to the invention for reloading hay, straw or the like Material from a loading wagon 1 to a conveyor 2 comprises a transshipment container 3, which is supported by two vertically protruding side walls 4t made of wooden boards, and a receiving shelf 5 »the

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BATH ORIGINAL

also consists of wooden boards and on both sides just before the

Side walls 4 ends, is limited.

The two upstanding side walls 4 are all over Surrounded circumference with U-shaped metal profiles 6, in which the outermost Edge parts of the upstanding side walls 4 fall, and the one expedient Provide protection for these hand parts. ..

The receiving base 5 consists of a front part 5 ¹ »which in the operating position of the device shown in the drawing is slightly inclined backwards and upwards, but can optionally be horizontal, and onto which the material can be poured from the loading wagon 1, as well as from a the following steep upwardly inclined part 5 "» which runs at an angle of approximately 40 ° with the horizontal plane

• -

2 can be poured. ■ ■

Cross members consisting of U-shaped metal profiles are fastened under the boards running in the longitudinal direction of the receiving floor parts 5 ', 5 ", which are welded at their ends to longitudinal members β also consisting of U-shaped metal profiles, which are located under the relevant edge profiles '., 6 "· of the upstanding side walls 4 and are also welded to them in places. Also along the front edge of the receiving base part 5 ¹ is attached between the front ends of the longitudinal carrier parts 8, a front carrier 9 running in the transverse direction and consisting of a U-shaped metal profile.

The lower edges of the upstanding side walls 4 run

Of course, like the receiving base 5 »\ ^BO, the edge profiles 6 'are inclined slightly backwards and upwards in the operating position of the device shown in the drawing, while the hand profiles 6" in this position run at an angle of approximately 40 to the horizontal plane . Dia hand profiles 6 "· are roughly parali} with the edge

20982W0111 bad original

profiles 6 ", while the edge profiles 6" "are somewhat flatter.

^{Upwardly and laterally inclined side plates 10 made of sheet metal are detachably attached to the edge profiles 6 MI of} the towering S-'itenwalls 4, which simplify the pouring of the hay from the loading wagon 1 onto the receiving floor part 5 '. For this purpose, U-shaped metal profiles 11 are welded onto each of the two side plates 10, which can be accommodated in corresponding U-profiles 12 attached to the side walls 4.

The transhipment container 5 described above is attached to a chassis, which is indicated as a whole by 1J, and which comprises an inverted U-shaped tubular frame part 14, the upper part 14 ^{1 of} which runs horizontally in the transverse direction, while the two upstanding supports 14 ″ in the, The operating position shown in the drawing lie in an approximately vertical plane. These two supports 14 ″ of the tubular frame part 14 have lower parts 14 ¹ · ¹ extending obliquely inwards and downwards, which at their outermost ends to a cross-directional lower part 14 ·· 13 are welded, which carries a pin 16 at both ends, whereupon a wheel 17 provided with a tire is mounted. The upstanding supports 14 ″ of the tubular frame part 14 are fastened at 18 by means of a welded connection to the corresponding longitudinal support parts 8 ″, while ^{stiffening plates I9 are welded between the lower axis 15 and the lower parts 14 1} ″ of the upright supports I4 ″ of the tubular frame part I4 the axle 15 is connected on both sides by means of tie rods 20 to the junction of the corresponding longitudinal beam parts 8 ', 8 ".

On both sides, an inverted L-shaped stiffening arrangement 21 made of metal profiles is provided outside the corresponding side wall, which is ^{attached on the one hand to the junction of the relevant longitudinal beam parts 8 1} , 8 "and on the other hand to the relevant supports 14" of the tubular frame part 14 by means of a welded connection is.

A tie rod 22 is welded in the middle part of the axle 15,

which are located to the front under the transfer container 3 · © ** «M which

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at its front end protruding in front of the front support 9

Has pull eye 23, with which the device is attached behind a tractor can be. The tie rod 22 has lower supports 24, which are in the, Support the operating position shown in the drawing on the floor, while a bracket 25 fastened on this pull rod 22 is connected to the front support 9.

A first driver element interacts with the receiving base 5 and conveys the material poured out of the loading wagon 1 from the beginning part 5 ^{1 of} the receiving base 5 to its end and from there pours it down onto the conveyor 2. This first driver member consists of, provided with drivers 26, transverse rods 27 _f which extend at mutual intervals in the transverse direction, and which are attached with their ends in the immediate vicinity of the upstanding side walls 4 on endless chains 2Θ.

Pintuck chains 2Θ, which run along both sides of the receiving base 5, are each guided via chain wheels 29> 30, 31. Slide two front Sprockets 29 are on a Unter.dem receiving base 5 running horizontal Cross shaft 32 arranged, which on both sides in a sleeve (not

shown), which is slidably received between two Pührungslaechen 33, which ^{are attached to the corresponding side support parts Θ 1} , and which is also connected to a clamping device 34, which consists of a threaded rod provided with a nut, which is supported by the end support 9 is led.

The middle sprockets 30 are on one, also below The horizontal shaft 35 located on the receiving base 5 is arranged, which is mounted on both sides in the junction of the relevant longitudinal beam parts 8 ·, 8 ″ is, while the rear sprockets 31 are mounted on a horizontal transverse shaft 36, which runs under the receiving floor 5, and of what the bearings are supported by the rear ends of the long beam parts 8 ".

The transverse shaft 36 is driven by an electric motor 37 via a

Reduction gear 38 driven. ZO ȤZ # / Blll BAD ORIGINAL

On the transverse shaft J ^ tabs 39 are arranged, each one 1-spfen 40 wear, on which a sprocket 41 is arranged, which with the corresponding chain 28 at the transition between the receiving base parts 5 ', 5 "is engaged.

As can be seen in particular from FIG. 2, the cross bars 27 move in the upper part above the receiving base 5 in the direction of the arrow from Beginning to the back end.

On each of the two upstanding side walls 4 are on the inside lower protective plates 42 arranged, which the chains 28 and the Sprockets 29, 30, 31 and 4I cover and which prevent that Hay, straw or similar material with these chains 28 or with these Sprockets 29, 30, 31 and 4I comes into contact.

At a distance above the rear end of the receiving base 5 extends a return member 43 · This return member 43 comprises in Ausfülirungsbeispiel shown a frame, which consists of two parallel, made of metal profiles, longitudinal beams 44, which by a number, also consisting of metal profiles, crossbar 45 with each other are connected, while at 'the underside a, made of wooden boards guide floor 46 is attached, which is approximately the same width as the Has receiving bottom 5, and which with the end of the receiving bottom 5 a

2)

Forms passage for the material to be poured onto the conveyor. Everyone

Longitudinal beam 44 carries a horizontal pin near the front end 48 (FIG. 2a), which is rotatably received between two parallel tabs 49 is, which is fixed to the relevant support I4 "of the tubular frame part 14-

gesahweiast aind, whereby a pin 50 guided through these tabs 49 causes the inclusion · 3 <> β pin 48.

Furthermore ilros near Hinterpuden a "vt'-if-frechte Quprwelle 51 is supported by the longitudinal members 44, wn.lr.he both sides ^r -i'i twärts üb ο -'in longitudinal support protrudes 44th On j celebrate servants who stand out

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gort, / which drs

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U- ¹ H? - ju '"iu>, F-i .-. N 52 stored, / which drs end c-iner Sob J fl ibenspiudel

OFTIGlNAL

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5> rotatable, but not axially adjustable. Every Screw spindle 53 is guided through a nut 54 which is pivotably supported by the relevant longitudinal support part 8 ″. By rotation of the screw spindles 53 can therefore change the position of the guide base 46, and thus the height of the passage 47 can be adjusted. As turns out from Figs. 1 and 2, the perpendicular distance between this guide base 46 and the receiving base 5 on the passage 47 smaller.

A second driver link cooperates with the guide base 46, the one provided with drivers 55, at a distance from each other, in Transversely extending, and with their ends attached to endless chains 57 transverse rods 56 consists. These chains' which on the two

Sides of the guide bottom 46 run along, are each over a front Chain wheel 5Θ and a rear chain wheel 59 out. As seen in Fig. 2 * borrowed, are in the execution shown in the drawing rear sprockets 59 at least approximately perpendicularly above the sprockets 31, however, the receiving base 5 can also extend further than the guide base 46 extend backwards.

The front sprockets 58 are arranged on a horizontal transverse shaft 60, the bearings of which are carried by the longitudinal beams 44. A _t the electric motor 61 concerned about a reduction gear 62 to drive the cross shaft 60. The rear sprockets 59 are arranged on a horizontal transverse shaft 51, the bearings are supported by the carrier length 44th The longitudinal beams 44 also each have a lower and an upper protective cap 63, 64 for the chains 57 and the chain wheels 58, 59.

The electric motor 61 drives the chains 57 in the, with an arrow indicated, direction, the cross bars 56 in the lower part under the

Move the bottom 46 in the direction facing away from the passage 47. The drive of the chains 28 and the chains 57 is such that the speed of movement of the chains 57 x «XXgxtVJtXxxxKS * XXxcxtxx *> XXgxx

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is greater than the speed of movement of the chains 28.

Of course, instead of the chains 28 and the chains 57 also tapes, straps or such aids, which have suitable

Pilhrungsräder are guided, can be used.

They drivers 26 and 55 are preferably made up of teeth. It It has been found to be advantageous that the teeth are 26 longer than the teeth

55 are. Me teeth 26 and 55 can be resiliently attached to the cross bars 27 and

56 be attached.

The teeth 26 and 55 can be perpendicular to their direction of movement stand as "which has been shown in Pig. 1 and 2. As an alternative however, the teeth 26 in relation to the direction of movement in one acute angle and / or the teeth 55 with respect to the direction of movement stand at an obtuse angle. * -

Of course it is possible in place of the above

Return link 45 others known from agricultural engineering * To use mechanisms. For example, a fork shaker driven by a crank, which is normally used as a haystack: is used.

The conveyor 2 consists in the embodiment according to FIG. 1 and

2 or 4 ^and 5 ^{au3 a collecting funnel} 65, which is provided with a lower discharge opening 66 , which is connected to the suction side of a blower 69 driven by an electric motor 68 via a structured discharge line. An upwardly running feeding line 70 connects to the freshness side of the fan 69 and is used, for example, to convey the hay or straw to a higher-lying store.

The upper edge 71 of the collecting funnel 65 extends essentially in a plane which, as can be seen in particular from FIG. 1,

at least roughly parallel with and only a relatively small one

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Distance runs under the receiving base 5, the front part of this Upper edge 71 runs through to below the receiving base 5. The rear end of the Upper edge 71 of the receiving funnel 65, which is some distance is located behind the recording floor 5, "is slightly bent upwards.

Like in particular from Pig. 5 can be seen, close the two side walls. 72 and 75 of the receiving funnel 65 different angles with the vertical plane. This has the advantage that, with its carriers 26 through the passage 47 to below poured material in the receiving hopper 65 the walls 72 and 73 along distances) of various lengths has to travel by a transverse rod 27 before the articulated discharge line

67 reached, thereby preventing clogging in an expedient manner. As an alternative, the side walls 74 and 75 of the collecting funnel 65 can of course also be the same in the manner shown in FIGS. 6 and 7 Angle with the vertical plane. In this case the However, discharge line 76 have a larger passage.

The receiving hopper 65 is operated in the manner shown in FIG medium pivoting, bit connected to the side members 8 "and with in Spaced holes' provided connecting rods 77 » 'which cooperate with pins on the upper edge 71 of the receiving funnel 65, connected to the., Umladebehäiter 3 in an adjustable manner.

The conveyor 2 can of course also have two solid upstanding side walls whose tops run diagonally) upwards and outwards, and between which there is a horizontal »endless conveyor belt, which is driven by an electric motor, and the material on the suction side of the blower.

■ Any alternative for this conveyor belt can also be a fixed one Bottom be formed between the upstanding side walls, with which a driver member cooperates, which in the same way as d * 3. with the

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Aufnahnebcden 5 or with the guide bottom 46 cooperating driver member can be executed, and the upper part extends over this solid floor.

In order to also prevent the electric motor 68 for driving the fan 69 from being overloaded, the power is supplied to it Motor 6s a relay is switched, which when a certain Amperage the current supply to the electric motors 37 and 61 of the first or second driver member closes so that the material supply to the receiving hopper 65 is immediately interrupted, the power supply to the Electric motors 37 »61 is switched on again when the current strength

j
the power supply to the electric motor 68 for driving the fan 69 again

has reached its normal value. This is of course special

<
Significance if no operating personnel is present, since in this way an overload of the electric motor 68 for driving the fan 69 is automatically prevented.

In operation, the loading wagon 1 is in the Pig. 1 specified manner with its rear part over the front part 5 ^{1 of} the receiving base

driven, after which the rear flap 1 'of the loading wagon 1 is opened, with hay, stinging or similar material already falling on the receiving floor 5. By confirming the rolling floor in the loading wagon 1, the remaining material is transferred from the loading wagon 1 to the receiving floor 5 in a quick manner. The drivers 26 take the reloaded material with them via the front part 5 ^{1 of} the receiving base, and guide it upwards over the rear receiving base part 5 ″, after which it falls down through the passage 47 Material back with it, which falls down and is in turn guided upwards by the drivers 26 over the receiving base part 5 ″. Since the driver 26 or ". Vi in the vicinity of the passage 47, as it were, a combing effect on that

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Exercise material, this is loosened, whereby it is achieved that a regular flow of relatively loose material falls into the receiving hopper 65 or onto the conveyor belt, which can easily be processed by the fan.

According to the invention, therefore, the transfer of the hay, straw or similar material from the loading wagon 1 to the conveyor takes place automatically, without manual labor having to be carried out for this purpose.

It is also possible to drive the device according to the invention behind a tractor over the road from one farm to another.

The invention is not limited to the exemplary embodiment shown in the drawing, which can be done in various ways within within the scope of the invention. '

Claims (1)

Patent claims '' 1. Device zua reloading of hay, straw or similar material from a loading wagon to a conveyor or the like, characterized by a receiving floor, on the initial part of which the material from the loading wagon is unloaded, and that with the end portion removed therefrom above the conveyor 'S -.Ti ends; a drive member which transfers the same to the end of the discharged material from the top part of the tray, \ and then hinunterschüttetf onto the conveyor and a, to the at some distance behind the top part above the receptacle floor extending rear vehicle element having at least approximately the same width as the receptacle bottom, which with Aufnahaeboden. includes a passage for the material to be poured onto the conveyor and which includes a second driver member which, at the point of the passage, runs in a direction opposite to the direction of the first driver member 2 09 β 24Ϊ / 0.1 TY 1 2. Device according to claim 1, characterized in that the height of the passage is adjustable. 3. Device according to claim 1 or 2, characterized in that the return member is adjustable. 4. Device according to one of the preceding claims, characterized marked . that the first driver link consists of transverse rods provided with drivers, which are attached to an endless chain or an endless belt at mutual intervals on both sides, which chains or belts are guided and driven via guide wheels with horizontal axes of rotation, the transverse rods sioh in the upper part Move over the receiving tray from the beginning part in direction to the passage. 5 «A device according to one of the preceding claims, characterized in that the loading floor at least over part of its Length ascends too diagonally towards the end. 6. Device according to Claim 5, characterized in that · the receiving base has a horizontal or slightly inclined initial part and an attached, steeply rising rear part. 7. The device according to claim 6, dadvtych characterized in that the rear part of the receptacle * at an angle of approximately 40 ° with the horizontal plane. 8. Device according to one of claims (or 71 characterized characterized in that the return member sioh extends essentially over the rear part of the receiving base. 9. Device according to one of the preceding claims, characterized / re characterized in that the return member to the end of the receiving base Forms passages. 10. Device according to one of the preceding claims, characterized 209824/0111 characterized in that the second driver link is made with drivers provided cross bars, which are at mutual distances on both sides are attached to endless chains or belts, which chains or belts are guided and driven via guide wheels with horizontal axes of rotation will. 11. The device according to claim 10, characterized in that the return member comprises a guide base, the width of which corresponds at least approximately to that of the receiving base, while the cross bars of the second driver member.8 move in the lower part under the guide base in the direction facing away from the passage. 12. The device according to Anspruoh 11, characterized in that * '' ■
the vertical distance between this guide floor and the receiving floor the passage becomes too small ». ·,;. 13. Device according to one of the preceding claims, characterized in that the two driver elements are each driven by their own drive motor. . 14. Device according to one of the preceding claims, characterized in 'that the movement speed of the second drive member m acacxanradntaucxaac large than the Bewegungegeschwindigkeit of the first drive member. 15. Device according to one of claims 10-14, daduroh characterized in that the drivers of the first driver member are longer than those of the second driver member. 16. Device according to one of claims Ό-15, characterized in that the drivers of the first and second Mitnohraarverbindea from Teeth beu t * n <m . 209824/0111. BAD ürtlGlNAL 17 · Device according to claim 16, characterized in that the teeth are resiliently attached to the cross bars. 18. Device according to claim 16 or 17, characterized in that the teeth are perpendicular to their direction of movement. 19. The device according to claim 16 or 17 » characterized in that the teeth of the first driver member“ run at an acute angle with respect to their direction of movement. 20. The device according to claim 16, 17 or 19, ' thereby characterized in that the teeth of the second driver member extend at an obtuse angle with respect to their direction of movement. 21. Device according to one of claims 10-20, characterized in that the rear guide wheels dee second driver members at least approximately perpendicularly above the rear guide wheels of the first Extend driver member. '. ' ■ 1 22. Device according to one of claims 11-20, characterized in that the receiving base extends further backwards than the guide base. ■ 23. Device according to one of claims 11-22, characterized in that the Rüokfuhr member comprises a frame which consists of two at least approximately parallel longitudinal beams which are connected to one another by cross members on which the guide base is arranged on the underside is, while the guide wheels of the second driver member of this Frame are supported, the frame being suspended pivotably at the end remote from the passage, and pivotable near the other end connected to a screw spindle, which is in one of a fixed Frame part 3cnwenkbar supported liutter is screwed. 209824/0111 BhU ORIGINAL 24 · Device according to one of the preceding claims, dadurgh in that the loading floor with two upstanding side walls forming a Umladebehälter. . 25. Execution according to claim 24, dadurc & atejsenag.fei.pjb & et * that the receiving base ends on both sides at a small distance from the protruding side walls. ' 26. The device according to any one of claims 24 or 25 "characterized. that under the receiving base, crossbars made of metal are attached are, which at their ends to also made of metal longitudinal beams are welded, which extend under the towering side walls and are connected to it. 27. The device according to claim 26, characterized in that the door edge of the receiving base along ζwieohea the front ends of the 4-way longitudinal tracer • is arranged in the transverse direction made of metal end support, ·. \ ''. '"" "" *', 'f · 2Θ. Device according to one of Claims 24-27, characterized in that the upstanding side walls on the upper side support side screens which are inclined upwards and to the side in a detachable manner. '* 29. Device according to one of the preceding Anepruoh ·, characterized in that it comprises a mobile' includes valves. 30. Device according to claim 29, characterized by the fact that the mobile frame comprises an inverted U-shaped ear frame part, the legs with their lower ends extending in the transverse direction Lower axle are welded to 'which wheels are mounted on both sides are. 31. The device according to claim 30, characterized in that the upstanding legs of the tubular frame part are attached to the corresponding Lär.jsträeern by means of welded joints. 209824/011 1 _βΑβ ORIGINAL 32. Apparatus according to claim JO or 31, characterized in that a pull rod is attached in the middle part of the lower axle, which extends forward under the Aufnähmetöden, and has a pull eye at its front end. 33 · Device according to claim 32, characterized in that the pull rod has lower supports, with which the pull rod can rest on the ground and is firmly connected to the front support with a bracket attached to the pull rod » 34. Device according to one of claims 24-33, characterized in that lower protective plates are arranged on each of the two upstanding side walls on the inside, which the chains and sprockets of the · ■ '■ ·' '■} cover the first driver link. '. . <> 35 · Device according to «inen of claims 23-34t characterized by ti shows that the frame of the return link carries protective caps for the chains and sprockets of the second driver link. 36. Device according to one of the preceding claims, characterized marked that a fork shaker is used as the return link. 37. Device according to one of the preceding claims, characterized marked that the conveyor uaf & sst a conveyor belt that the material feeds a fan. / ^v '38. Device according to one of claims 1-36, characterized in that the conveyor comprises a collecting funnel which is equipped with a Discharge opening is provided, and via a discharge line to the suction side a fan is connected. 39 · Device according to claim 38, characterized in that the upper edge of the collecting funnel essentially tffiitatuuc in one 209824/0111 ORIGINAL INSPECTS) - 10 -. Direction roughly parallel / and only a relatively short distance extends under the rear part of the receiving tray. 40. Apparatus according to claim 391, characterized in that the front part of the upper edge of the collecting funnel runs through to below the receiving base, while the rear end of this upper edge is located at a small distance behind the receiving base. 41. Device according to one of claims 38-40 » characterized in that the two side walls of the collecting funnel form different angles with the vertical plane and thereby have different lengths. 42. Device according to one of claims 37-41 » characterized in that a relay is included in the power supply to the electric motor for driving the fan, which, when a certain current intensity is passed over, the power supply to the electric motors for driving the first or second drive element interrupts, whereby the power supply to the latter electric motors is only switched on again after the current intensity in the power supply to the electric motors for driving the blower again has reached its normal value. 43. Device according to one of claims 38-42, characterized in that the collecting triohter is adjustable by means of connecting rods which are pivotably connected to the longitudinal beams and are provided with holes at intervals and which cooperate with pins on the upper edge of the collecting triohter Weis · is connected to the transfer container. PAe. Dr Andrejewski, Dr Honke 209824/0111 Blank page