WO2024086873A1

WO2024086873A1 - Mobile dispersing bin

Info

Publication number: WO2024086873A1
Application number: PCT/AU2023/051055
Authority: WO
Inventors: Timothy Stewart
Original assignee: Timothy Stewart
Priority date: 2022-10-27
Filing date: 2023-10-21
Publication date: 2024-05-02

Abstract

The invention relates to a mobile bin for storing and dispersing flowable material, comprising: a bin having one or more compartments for storing flowable material, the compartment having one or more outlets at the lower end; at least two conveyors and a spreader to disperse the flowable material; a first conveyor provided under the bin outlet, The first conveyor is configured to transport the flowable material from the bin outlet to either the second conveyor or the spreader. The first and second conveyors are either continuous belt conveyors or drag conveyors or any combination of continuous belt conveyor and drag conveyor. Alternatively the second conveyor is a bucket conveyor and the first conveyor is either a continuous belt conveyor or drag conveyor. A removable closing device may be provided to control the flow of flowable material to the first conveyor.

Description

MOBILE DISPERSING BIN

FIELD OF THE INVENTION

[001] The invention relates to the field of mobile agricultural equipment. Specifically, the invention relates to a multipurpose mobile bin for distributing and disbursing flowable material. More specifically the invention relates to a mobile bin that can perform the function of spreading flowable material such as fertilizer, distribute flowable material such as grain to another container such as an animal feeder or distribute two or more different flowable materials such as seed and fertilizer with minimal contamination and product damage to an implement such as an air seeder.

BACKGROUND OF THE INVENTION

[002] Agricultural machinery is a relatively large expense for operators but required to efficiently manage the large volumes of product required to support a commercial farming operation.

[003] Some agricultural machines are utilized at specific times during the yearly cycle. These machines can be left unused for a period of months. This can impose a substantial cost to purchase and maintain equipment that will only be utilized for short periods.

[004] Such pieces of equipment include grain feed out bins, fertilizer spreaders, seed and fertilizer groupers and chaser bins. For example a feed out bin is typically used for distributing granular or palletized animal feeds such as grain from a storage bin such as a silo to animal feeders which are typically located in one or more paddocks.

[005] The animal feed is generally used to supplement the natural grass growing in the paddock. Generally there are periods where supplemental feed is not required due to favorable weather conditions or animals being sold off. During these periods the feed out bin will not be utilized.

[006] Fertilizer spreaders are generally used at specific times in the yearly cycle.

[007] Seed and fertilizer grouper bins are generally only used when crops are sowed.

[008] Chaser bins are generally only used at harvest time.

[009] The object of this invention is to provide a multipurpose mobile dispersing bin capable of spreading fertilizer onto the ground and transferring flowable material to another container, for example transferring grain to a chaser bin or animal feeder or transferring seed and fertilizer to a seeding implement such as an air seeder hopper. A multipurpose solution provides a lower up front cost, lower maintenance and storage cost compared to dedicated machinery.

SUMMARY OF THE INVENTION

[0010] The invention provides a mobile bin for distributing and dispersing flowable material, comprising: a bin body having one or more compartments for storing the flowable material, each compartment having one or more outlets at the lower end, at least two conveyors and a spreader mechanism to disperse the flowable material. The flow of flowable material at the bin outlet/s flows under the force of gravity to a first conveyor. The direction of the first conveyor can be selected to transfer flowable material to either a second conveyor or reversed to transfer flowable material to a spreader. The second conveyor is positioned at the front end of the bin and is extendable from either the left or right side of the mobile bin to allow flowable material to be transferred to a container such as an animal feeder or air seeder. It is contemplated that the second continuous belt conveyor may extend on a forward or rearward angle from either the left or right side of the mobile bin. It is contemplated that the second continuous belt conveyor may be mounted at the rear of the bin and extends to the left, right, rear or any angle in between.

[0011] The first, second or both conveyors may be continuous belt conveyors comprising of a continuous belt made from a flexible material or rigid segments joined with flexible joints or a combination of both driven around at least two rotating members. At least one rotating member transmits motion to the continuous belt conveyor. The flowable material may be conveyed on the surface of the continuous belt conveyor. The continuous belt conveyor may have a smooth conveying surface, rough conveying surface, cleated conveying surface or lugs attached to the conveying surface.

[0012] The first, second or both conveyors may alternatively be substituted for drag conveyors comprising of one or more continuous loops made from a flexible material or rigid segments joined with flexible joints or a combination of both driven around at least two rotating members. At least one rotating member is driven and transmits motion to the at least one continuous loop. Paddles may be connected to the at least one flexible continuous loop. The paddles may drag or push the flowable material along a surface.

[0013] The second conveyor may alternatively be substituted for a bucket conveyor comprising of one or more flexible continuous loops made from a flexible material or rigid segments joined with flexible joints or a combination of both driven around at least two rotating members. At least one rotating member is driven and transmits motion to the at least one continuous loop made from a flexible material or rigid segments joined with flexible joints or a combination of both. The buckets may be connected to the at least one flexible continuous loop. The buckets may scoop up the flowable material at the lower end of the bucket conveyor and carry the flowable material to the upper end.

[0014] The Second conveyor may be positioned at an incline when in operation so the discharge end of the second conveyor is elevated in relation to the intake end when in operation. This provides side wall clearance of the container that flowable material is to be transferred to, such as a grain feeder, air seeder hopper or chaser bin.

[0015] It is contemplated that where the second conveyor comprises of a bucket conveyor it may be positioned vertically when in operation rather than on an incline.

[0016] The bin body may have only one outlet that extends along the lower end of the bin body and opens on to the first conveyor.

[0017] The body may have at least two compartments for separately storing a first flowable material and a second flowable material, each of the at least two compartments having at least one respective outlet at a lower end. Each outlet comprises a closing device such as a knife valve to control the flow of flowable material. The lower portion of the each compartment may be designed so flowable material is funneled to the outlet or outlets.

[0018] The outlet may run the substantial or entire length of each compartment. A closing device such as a knife valve may be slidably mounted directly to the bin body or in a removable closing device.

[0019] The first conveyor may be configured to transport the flowable material to the second continuous belt conveyor in a first operative mode and transport flowable material to the spreader in a second operative mode. [0020] The flowable material may be any dry or wet material that will flow under the force of gravity such as grain, seed, fertilizer, manure or soil. It is contemplated that the present invention may be used to disperse flowable material unrelated to agricultural operations.

[0021] The spreader may comprise of one or more rotatable members, for disbursing the flowable material.

[0022] The spreader may alternatively comprise of compressed air ducted through pipes for disbursing the flowable material. Although mounting this type of spreader at the rear of the bin may be the preferable method it is contemplated that this type of spreader may be mounted at the front of the bin.

[0023] The invention may be either mounted on wheels, on a trailer, on the tray or chassis of a vehicle such as a truck or to the 3 point linkage on the rear or front of a tractor.

[0024] It is contemplated that the first or second conveyors may consist of a plurality of conveyors.

[0025] It is contemplated that where the first conveyor consists of a plurality of conveyors it may consist of any combination of continuous belt or drag conveyor.

[0026] It is contemplated that where the second conveyor consists of a plurality of conveyors it may consist of any combination of continuous belt, drag or bucket conveyor.

[0027] With respect to prior art, patent number AU2018214140 and PCT/BR2014/050026 share similarities to the present invention including a first conveyor comprising of a continuous belt conveyor to feed flowable material to either the spreader or a second conveyor. However patent number AU2018214140 and PCT/BR2014/050026 differs from the present invention as they both comprise of an auger or screw conveyor for a second conveyor whereas the present invention comprises of a continuous belt conveyor, drag conveyor or bucket conveyor for the second conveyor. Continuous belt conveyors, drag conveyors or bucket conveyors are less damaging to delicate flowable material than auger or screw conveyors. Damage to some types of flowable material can be costly. For example if seed is damaged as it is transferred via a screw conveyor to an air seeder the damaged seed may not germinate.

[0028] Patent number AU2018214140 comprises of either only one outlet that extends along the lower end of the bin body and opens on to the first conveyor or the body may have at least two compartments for separately storing a first flowable material and a second flowable material, each of the at least two compartments having a respective outlet at a lower end. Where the bin has more than one outlet, each of the bin outlets comprises of an inclined portion which funnels the flowable material to the outlet. The present invention differs by including embodiments with removable knife valves, removable lift valves and fixed knife valves which aim to improve the functionality when using the same machine for spreading clumping flowable materials and dispersing two or more separate flowable materials.

[0029] Mobile dispersing bins are known in the vineyard and orchard industry that share similarities to the present invention including a first conveyor comprising of a continuous belt conveyor to feed flowable material to either the spreader or a second continuous belt conveyor. However they are designed to serve a different purpose in a different agricultural industry. The second conveyor is designed to disperse composted material onto the ground near the base of trees or vines and is not designed to have the vertical reach to transfer flowable material to a container such as a grain feeder, chaser bin or air seeder bin.

BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a side view. The second conveyor is retracted.

[0031] Figure 2 is a top view with the second conveyor extended. The bin having one compartment.

[0032] Figure 3 is a side view with the second conveyor retracted alongside the bin.

[0033] Figure 4 is a top view with the second conveyor retracted. The bin having two compartments and removable knife valves in place.

[0034] Figure 5 is a perspective view of a removable knife valve.

[0035] Figure 6 is a perspective view of a removable knife valve with the frame removed.

[0036] Figure 7 is a section view of a removable knife valve fitted to the bin

[0037] Figure 8 is a perspective view showing the inside of the bin with the removable knife valve removed.

[0038] Figure 9 is a perspective view showing the inside of the bin with lift valves in place. [0039] Figure 10 is a section view of a lift valve fitted to the bin.

[0040] Figure 11 is a detailed section view detailing the gap between the bin wall and lift valve in the opened position.

[0041] Figure 12 is a perspective view showing the inside of the bin with lift valves removed.

[0042] Figure 13 is a perspective view showing the outside of the bin fitted with knife valves which are mounted through the side walls of the bin.

[0043] Figure 14 is a perspective view showing the underside of the bin with some components removed to give a clearer view of the knife valves which are mounted through the side walls of the bin.

[0044] Figure 15 is a perspective view showing the inside of the bin. One bin compartment is shown with knife valves opened and the other compartment with knife valves closed.

[0045] Figure 16 is a side view of a two individual bins mounted to a common frame.

[0046] Figure 17 is an end view showing the second conveyor extended

[0047] Figure 18 is a perspective view showing the bin fitted with a compressed air powered spreader and distribution pipes.

[0048] Figure 19 is a perspective view of a basic continuous belt conveyor assembly.

[0049] Figure 20 is a side view of the basic continuous belt conveyor assembly with the frame removed.

[0050] Figure 21 is a perspective view of a basic drag conveyor.

[0051] Figure 22 is a perspective view of a basic bucket conveyor.

DETAILED DESCRIPTION WITH RESPECT TO THE DRAWINGS

[0052] The following detailed description refers to the preferred methods of the invention and is not intended to be the limiting scope of the invention.

[0053] In a first embodiment of the invention in figure 1 bin 1 stores the flowable material. Bin 1 is mounted on frame 5 which is mounted on two or more wheels 6 or tracks (not shown). Alternatively bin 1 and its necessary components may be mounted on the rear of a vehicle such as a truck or to a tractor via the 3 point linkage (not shown). An opening at the lower end of bin 1 onto continuous belt conveyor 2 enables flowable material in bin body 1 to be selectively conveyed to either spreader 4 at the rear of bin 1 or continuous belt conveyor 3 positioned at the front of bin 1. Continuous belt conveyor 3 is shown in the extended configuration. The discharge end of the second conveyor is elevated in relation to the intake end to provide side wall clearance of the container that flowable material is transferred to. Continuous belt conveyors 2, 3 or both may be substituted for drag conveyors shown in figure 21. Continuous belt conveyor 3 may also be substituted for a bucket conveyor as shown in figure 22.

[0054] Figure 2 shows bin 1 in a first embodiment with one compartment and an opening at the lower end which runs the substantial length of bin 1. Continuous belt conveyor 3 is shown in the extended configuration. Continuous belt conveyor 3 preferably extends to the right or left hand side of the bin however it is contemplated that it may extend to the front, rear or any angle in between (not shown). The length of continuous belt conveyor 3 must be adequate to provide clearance of the container side wall that the flowable material is transferred to while maintaining a gradient that is not so steep that flowable material cannot be carried to the discharge end. Where continuous belt conveyor 3 is substituted for a drag conveyor the maximum gradient may be increased. Where continuous belt conveyor 3 is substituted for a bucket conveyor the maximum gradient may be increased to vertical. Continuous belt conveyor 3 may be pivotally extendable.

[0055] Figure 3 shows continuous belt conveyor 3 pivotally retracted along the side of bin 1.

[0056] Figure 4 shows a further embodiment wherein bin 1 is divided into compartment 9 and 10 by dividing wall 8. The flow of flowable material to continuous belt conveyor 2 is controlled by removable knife valve assemblies 17. Removable knife valve assemblies 17 comprise of knife valves 11. Knife valves 11 are mounted to frame 12. Knife valves 11 may be mechanically, manually, electrically, pneumatically or hydraulically operated. Knife valves 11 may run the full or substantial length of each compartment or be segmented as shown. Segmented knife valves would require less force to actuate under load and reduce the surface area of the leading edge if operated independently which may reduce the risk of damage to delicate flowable material such as seed. Removable Knife valve assembly 17 may be held in position by various methods such as fasteners or locating dowels (not shown). In Figure 4 continuous belt conveyor 3 is slidably extendable and is shown in the retracted configuration.

[0057] Figure 5 shows removable knife valve assembly 17 removed from bin 1. Removable knife valve assembly 17 may be lifted via lugs 13 for removal.

[0058] Figure 6 shows the internal components of removable knife valve assembly 17. Knife valves 11 may be actuated by motors 16 driving gear pinions 15 which then move toothed racks 14. Motors 16 may be electrically, pneumatically or hydraulically driven. It is contemplated that knife valves 11 could be actuated via various other methods such as pneumatic or hydraulic rams or mechanically via a coupling that is linked to the external side of bin 1 (not shown).

[0059] Figure 7 shows a cross section view of removable knife valve assembly mounted in bin 1. When knife valves 11 are opened flowable material flows under the force of gravity onto continuous belt conveyor 2. Cavity 27 provides space for flowable material to be conveyed to continuous belt conveyor 3 or to the spreader. Cavity 28 provides housing for the actuating mechanism of knife valves 11. Cavity 28 is sealed to prevent flowable material entering and obstructing knife valves 11 actuating mechanism.

[0060] Figure 8 shows bin 1 with removable knife valve assemblies 17 removed. In this configuration clumping flowable material may flow more readily to continuous belt conveyor 2. Dividing wall 8 and rear door cover 25 may be removed to further assist with the flow of clumping flowable material or allow a faster discharge rate through the rear door. It is contemplated that spreader 4 may be removed to allow dumping of flowable material through the rear door directly onto the ground performing a similar function of a dump truck or dump trailer. Continuous belt conveyor 3 may be pivotally extendable in a un folding motion comprising of one or more bottom section 29 and top section 30. Top section 30 pivots in relation to bottom section 29 at point 31 either manually, hydraulically, electrically or pneumatically. Pivot point 49 and lifting ram 50 may be provided to increase the angle of bottom section 29 when stowed. Figure 17 shows continuous belt conveyor 3 in the extended configuration. It is contemplated that more than one section may be provided for the top section 30 and bottom section 29.

[0061] Figure 9 shows an alternative method for controlling the flow of flowable material to continuous belt conveyor 2 from either bin compartment 9 or 10. Lift valves 18 are lifted by hydraulic rams 20 at points 19. Hydraulic rams 20 may be mounted on the external side of bin 1 to reduce the likelihood of hydraulic fluid contamination. It is contemplated that hydraulic rams 20 may be substituted for another lifting device such as pneumatically operated rams or electric screw jacks (not shown).

[0062] In figure 10 and 11 Lift valve 18 is shown in the open position. Flowable material can flow through gap 21 between bin wall 23 and seal 22. Flowable material flows onto continuous belt conveyor 2. Cavity 26 provides space for flowable material to be conveyed to continuous belt conveyor 3 or spreader 4. Seal 22 may be made from a soft material such as rubber to improve the seal performance and decrease the likely hood of damage to delicate flowable material such as seed. Lift valve 18 may run the full or substantial length of each compartment or two or more independently operated lift valves may be provided for each compartment (not shown). Multiple lift valves per a compartment would reduce the force required to open the valve and reduce the potential for delicate flowable material to be crushed between seal 22 and bin wall 23.

[0063] In figure 12 Lift valves 18 are removed. In this configuration clumping flowable material may flow more readily to continuous belt conveyor 2. Protective hydraulic ram sleeves may protrude into the internal side of bin 1. Dividing wall 8 and rear door cover 25 may be removed to further assist with the flow of clumping flowable material or allow a faster discharge rate through the rear door.

[0064] Figure 13 shows a further alternative method for controlling the flow of flowable material to continuous belt conveyor 2. Knife valves 32 are actuated by hydraulic rams 33 which are mounted on the external side of bin 1. Knife valves 32 slide in a slot in bin 1 wall. Guides 35 may be provided to help keep knife valves 32 square, aid in support of knife valves 32 and increase the bearing surface. Hydraulic rams 33 may be mounted to frame 34 at one end and directly to knife valves 32 at the other end. Hydraulic rams 33 may be substituted for various mechanisms such as pneumatic, electrical or manually operated mechanisms (not shown).

[0065] Figure 14 shows a less cluttered underside view of knife valves 32 and associated components.

[0066] Figure 15 shows Knife valves 32 are closed in bin compartment 9. Knife valves 32 are open in bin compartment 10. Knife valves 32 in bin compartment 10 are not visible in figure 15). Flowable material in compartment 10 can be conveyed by continuous belt conveyor 2. Bars 36 may be provided to support knife valves 32 when under load. Bars 36 may be removed for operations where knife valves 32 are not in use and minimal obstructions are required e.g. for dispersing clumping flowable material. For operations where material in compartment 9 and 10 do not need to be kept separate knife valve 37 when opened may further minimize obstruction to the flow of clumping flowable material as it passes under dividing wall 8. Knife valve 37 and 38 may have slide ways which support knife valves 32 in the closed position. Knife valve 37 and 38 maybe substituted for plates which are held in position with fasteners (not shown). Knife valves 32 may run the full or substantial length of each compartment as shown or be segmented (not shown). Segmented knife valves would require less force to actuate under load and reduce the surface area of the leading edge if operated independently which may reduce the risk of damage to delicate flowable material such as seed.

[0067] Figure 16 shows a further embodiment of the invention. Alternatively to a singular bin with a dividing wall two or more separate bins 39 and 40 provide separation for operations where two or more different types of flowable material are dispersed. Knife valves 41 may be provided to control the flow of flowable material to continuous belt conveyor 2. Knife valves 41 may be actuated by various methods such as manually, hydraulically, electrically or pneumatically (not shown). It is contemplated that bin 39 and 40 may be combined into one bin divided by a dividing wall with each compartment comprising of a funnel shaped lower section with individual outlets (not shown).

[0068] Figure 17 shows continuous belt conveyor 3 in an unfolded extended configuration.

[0069] Figure 18 shows an alternative to rotating spreaders 4. For all embodiments of the invention rotating spreader 4 may be substituted for spreader 44. Spreader 44 comprises of a device such as centrifugal air compressor 45 to move air through pipes 46. Flowable material is fed from bin 1 via continuous belt conveyor 2 into the path of the compressed air and forced through pipes 46 and is dispersed onto the ground through outlets 47. Pipes 46 may be pivotally foldable at pivot points 48. It is contemplated that spreader 44 may be mounted at the front end of bin body 1 (not shown).

[0070] Figure 19 shows a simplified example of a continuous belt conveyor assembly. Continuous belt conveyor 51 is driven around at least two rotating members 52 (which are hidden behind continuous belt conveyor 51 and frame 56. Power may be transmitted to one or more rotating members via a device such as motor 54 which in turn drives continuous belt conveyor 51.

[0071] In Figure 20 frame 56 is removed. Rotating members 52 are visible. Carry idlers 54 may be provided to help support the weight of the loaded continuous belt conveyor. Return idlers 55 may be provided to support the returning section of the continuous belt conveyor. Alternatively carry idlers and or return idlers may be substituted for static bearing surfaces which the continuous belt conveyor slides over (not shown). Continuous belt conveyor 51 load bearing surface may be flat as shown or it may be formed into a curved surface by troughing idler rollers or curved or angled bearing surfaces (not shown). The surface of the continuous belt conveyor may be smooth as shown or rough (not shown). The load bearing surface of the continuous belt conveyor may also comprise of cleats or lugs spaced at intervals (not shown).

[0072] Figure 21 shows an example of a drag conveyor 63. Alternatively continuous belt conveyors 2 or 3 may be substituted for drag conveyors. Paddles 57 are connected to one or more continuous loops such as chains 58. Chains 58 are driven around sprockets 59. Paddles 57 drag flowable material across chute base 60. Chute sides 61 prevent flowable material from spilling over the sides of the drag conveyor. Chains 58 may be substituted for one or more continuous loops made from a flexible material such as cable or rubber or a combination of flexible materials driven around sprockets or pulleys (not shown). The chute may have a flat conveying surface as shown or it may have a curved, tubular or a combination of either conveying surface (not shown). The edge of the paddles in contact with the chute is shaped to suit the shape of the chute conveying surface. For example paddles with a flat edge would be used in a chute with a flat conveying surface and paddles with a circular shape are used in a tubular conveying surface.

[0073] Figure 22 shows an example of a bucket conveyor 64. Alternatively continuous belt conveyor 3 may be substituted for a bucket conveyor. Buckets 65 are connected to one or more continuous loops such as chains 69. Chains 69 are driven around sprockets 70. Chains 69 may be substituted for one or more continuous loops made from a flexible material such as cable or rubber or a combination of flexible materials driven around sprockets or pulleys. Buckets 65 scoops up flowable material at the lower end of the bucket conveyor and convey flowable material to the upper end.

UPON REC'D AS BLANK

Claims

1. A mobile bin for storing and dispersing flowable material, comprising: a bin having one or more compartments for storing flowable material, the compartment having one or more outlets at the lower end; at least two conveyors and a spreader to disperse the flowable material; a first conveyor provided under the bin outlet, wherein the first conveyor is configured to transport the flowable material from the bin outlet to either the second conveyor or the spreader, the second conveyor extends from the bin when in operation.

2. The mobile bin of claim 1, wherein the first and second conveyors are continuous belt conveyors.

3. The mobile bin of claim 1, wherein the first and second conveyors are drag conveyors.

4. The mobile bin of claim 1, wherein the first and second conveyors are a combination of a continuous belt conveyor and a drag conveyor.

5. The mobile bin of claim 1, wherein the first conveyor is a continuous belt conveyor and the second conveyor is a bucket conveyor.

6. The mobile bin of claim 1, wherein the first conveyor is a drag conveyor and the second conveyor is a bucket conveyor.

7. The mobile bin of all previous claims wherein the discharge end of the second conveyor is elevated in relation to the intake end when in operation.

8. The mobile bin of all previous claims wherein the second conveyor functions to transfer flowable material to another container.

9. The mobile bin of all previous claims wherein the second conveyor can function to transfer flowable material to a container which comprises of side walls greater than 1300 mm high from ground level.

SUBSTITUTE SHEET (RULE 26) The mobile bin of all previous claims wherein the bin has only one outlet which opens to a first conveyor. The mobile bin of claims 1-9 wherein the bin has two or more compartments each with respective outlets which open onto a first conveyor. The mobile bin of all previous claims wherein a closing device is provided which functions to control the flow of flowable material from the bin to the first conveyor and comprises of knife valves mounted in a removable frame mounted inside the bin. The mobile bin of claims 1-11 wherein a closing device is provided which functions to control the flow of flowable material from the bin to the first conveyor and comprises of knife valves slidably mounted through the walls of the bin. The mobile bin of claims 1 -11 wherein a closing device is provided which functions to control the flow of flowable material from the bin to the first conveyor and comprises of lift valves. The mobile bin of claims 1,2,3,4,5,6,7,8,9,10,11 and 14 wherein the lift valves are positioned inside the bin above the first conveyor and are moved vertically when actuated. The mobile bin of all previous claims wherein the closing devices extend 50 % or more of the length of each compartment. The length of each compartment is the largest distance between the forward and rear wall of each compartment. The mobile bin of claims 1 - 9 wherein the spreader comprises of one or more rotating members to disperse flowable material. The mobile bin of claims 1 - 9 wherein the spreader uses compressed air ducted through pipes to disperse flowable material. The mobile bin of claims 1-9 wherein the second conveyor is pivotally extendable from the bin when in operation.

SUBSTITUTE SHEET (RULE 26)

20. The mobile bin of claims 1-9 wherein the second conveyor is slidably extendable from the bin when in operation.

SUBSTITUTE SHEET (RULE 26)