IES84979Y1 - Apparatus for spreading material - Google Patents
Apparatus for spreading materialInfo
- Publication number
- IES84979Y1 IES84979Y1 IE2006/0687A IE20060687A IES84979Y1 IE S84979 Y1 IES84979 Y1 IE S84979Y1 IE 2006/0687 A IE2006/0687 A IE 2006/0687A IE 20060687 A IE20060687 A IE 20060687A IE S84979 Y1 IES84979 Y1 IE S84979Y1
- Authority
- IE
- Ireland
- Prior art keywords
- spreading
- rotor
- container
- paddle
- material spreading
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 177
- 239000002965 rope Substances 0.000 claims description 10
- 230000001808 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910000760 Hardened steel Inorganic materials 0.000 claims description 3
- 241000196435 Prunus domestica subsp. insititia Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000717 retained Effects 0.000 abstract 1
- 230000010006 flight Effects 0.000 description 4
- 210000003608 Feces Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 230000002441 reversible Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001236653 Lavinia exilicauda Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Abstract
ABSTRACT Apparatus (1) for spreading material has a carriage arrangement (1) and a container (2) which has walls defining one area (3) for receiving material and another area (4) for spreading material through opening (5). Area (2) has a conveyor arrangement (l5,17) for delivering the material to area (3) which has a substantially horizontal shredding rotor (6) has a number of material spreading chains (7) suspended there from and transfers material onto material spreading paddles (32) mountedon turntables (34). The paddles (32) are retained by shear bolts (55) which shear when a foreign body obstructs the paddles (32).
Description
APPARATUS FOR SPREADING MATERIAL
The present invention relates to apparatus for spreading material, in particular to
apparatus for spreading animal manure.
Accordingly, the present invention provides an apparatus for spreading material
comprising a carriage means and a container mounted on the carriage means, the
container having wall means defining one area for receiving material and another area
for spreading material and the wall means defining a material spreading opening, the
material receiving area having means for delivering the material to the material
spreading area and the material spreading area having a substantially horizontal
shredding rotor mounted transverse the material spreading opening, the shredding rotor
having a plurality of material spreading chains hanging there from.
Preferably, the shredding rotor is mounted substantially perpendicular to the
direction of travel of the material delivery means.
Ideally, the carriage means comprises at least one pair of wheels on an axle and
a drawbar mounted below the container.
Ideally, the material delivery means is a movable floor of the material receiving
area.
Preferably, the movable floor is provided by a conveyor means.
Ideally, the conveyor means comprises one or more endless conveyor belts and
conveyor belt drive means.
Preferably, the conveyor belt drive means is a motor.
Ideally, the motor is operable electrically or hydraulically.
Preferably, the or each endless conveyor belt has flights transverse to the
direction of travel of the belt. Advantageously, the flights urge the material towards the
material spreading area.
IN.)
Ideally, the conveyor means is reversible, thus allowing an operator to switch the
direction of rotation of the conveyor means to agitate the material.
Preferably, two conveyor belts are mounted side by side.
Ideally, the material spreading area has a material spreading floor at a position
vertically lower than the material delivery means of the material receiving area.
Preferably, the material spreading floor has at least one material spreading
paddle.
Ideally, the paddle is coupled to a power take off (PTO) shaft of a towing vehicle.
Preferably, the material spreading paddle is rotatably mounted on the material
spreading floor.
Preferably, a pair of material spreading paddles is rotatably mounted above the
material spreading floor.
Ideally, the or each material spreading paddle comprises a spreading rotor and at
least one substantially horizontal paddle board coupled to and extending laterally from
the spreading rotor above the floor.
Preferably, the spreading rotor is substantially vertical and protrudes through the
material spreading floor.
Ideally, the spreading rotor is coupled to a rotor drive shaft via a rotor gear box.
Preferably, the rotor drive shaft is coupled to a PTO drive shaft via a PTO gear
box.
Ideally, a pair of paddle boards is coupled to and extend laterally from the
spreading rotor.
Preferably, the paddle boards extend from diametrically opposed positions of the
spreading rotor.
Ideally. the or each paddle board is coupled to a turntable arrangement which is
mounted on the spreading rotor.
Preferably, the turntable arrangement has a circular base plate coplanar with the
material spreading floor and being rotatably mounted therein.
Ideally, the turntable arrangement has a cap member spaced vertically above the
base plate and being centrally mounted on the spreading rotor with the paddle boards
sandwiched between the base plate and the cap member.
Preferably, the or each paddle board is pivotally coupled to the turntable
arrangement and has a fixing means between the turntable arrangement and the paddle
board to prevent pivotal movement of the paddle board relative to the turntable
arrangement.
Ideally, the fixing means is operable up to a predetermined torque level.
Advantageously, when the torque acting on the pivotal coupling between any paddle
board and the turntable arrangement exceeds the acceptable predetermined level. the
fixing means is released and the paddle board is free to rotate relative to the turntable
arrangement.
Preferably. the fixing means is a shear bolt mounted between the paddle board
and the turntable arrangement.
This arrangement compensates for a piece of foreign material such as a length of
timber, for example, being buried in the material and passing onto the material spreading
floor unnoticed. As the paddle board sweeps across the material spreading floor there is
a risk that the piece of foreign material will get trapped between the paddle board and
some other fixed surface of the material spreading floor. Without a shear bolt mounted
between the paddle board and the turntable arrangement the paddle board would shear
off the turntable arrangement causing major structural damage to the paddle. With the
fixing means built in. the only part to be replaced when something becomes lodged is
the shear bolt as it will shear off before any torque is reached which would cause
damage to the paddle board, the turntable arrangement or the pivotal coupling between
the paddle board and the turntable arrangement. When the predetermined torque level is
reached, the shear bolt shears and the paddle board is able to pivot relative to the
turntable arrangement allowing the paddle board to move around the timber board or
other obstacle in the material without damaging the paddle.
Preferably, the substantially horizontal rotor has a drive means.
Ideally, the horizontal rotor drive means comprises a drive sprocket, a driven
sprocket coupled to one end of the rotor and an endless chain mounted on the drive
sprocket and the driven sprocket.
Preferably, the drive sprocket is coupled to a 90° three shaft gearbox.
Ideally, a row of chain attachment means are spaced along the rotor in
alignment.
Preferably, a second row of chain attachment means are spaced along the rotor
in alignment.
Ideally, the second row of chain attachment means are angularly spaced around
the circumference of the rotor from the first row of chain attachment means.
Ideally, a plurality of rows of aligned spaced chain attachment means are
angularly spaced around the circumference of the rotor relative to each other.
Preferably. the aligned spaced chain attachment means of one row are
staggered longitudinally along the rotor relative to the chain attachment means of the or
each adjacent row.
Ideally, the material spreading chains are rope chains.
Preferably, the material spreading chains are manufactured from case hardened
steel.
Ideally, one end of the rope chain is coupled to a chain attachment means and
the other end of the chain has an agitating means attached thereon.
Preferably, the chain attachment means is a pair of mutually opposing protruding
plates each having a through bore substantially in alignment with each other.
Ideally. the agitating means comprises a steel buckle fastened onto a last loop of
the rope chain.
Preferably, the substantially horizontal rotor is mounted on the wall means above
one end of the material delivery means proximal to the material spreading floor.
The overall length of the chains and the agitating means is less than the distance
between the bottom dead centre of the rotor and the top of the material delivery means.
In use, the agitating means swings freely above the top surface of the material delivery
means.
Preferably, the container is an open top container.
Ideally, a gate is movably mounted on the wall means of the container.
Preferably, the gate is movable between a closed position and an open position.
Ideally, the gate divides the container into a partially enclosed material receiving
compartment and a partially enclosed material spreading compartment in the closed
position.
Preferably, the gate seals the material receiving compartment off from the
material spreading opening in the closed position. Advantageously, the closed position
of the gate allows a completely full container of material to be transported across roads
and through built up areas without risk of the material spilling out of the material
spreading opening.
Ideally, the container comprises a substantially parallelepiped open top container
having a towing end wall and two side walls.
Preferably, the towing end wall has an access panel. Advantageously, the access
panel allows an operator to access any material which has become jammed at or about
the towing end.
Ideally, the upper portion of the side walls is angled outwardly.
Preferably, the gate is movably mounted on the two opposing side walls proximal
to the material spreading end of the container.
Ideally, the gate is slidably mounted on a pair of tracks which are mounted on
opposing locations of the side walls proximal to the material spreading end of the
container.
Preferably, the gate is in operable engagement with a gate drive means.
Preferably, the gate drive means is operable hydraulically, electrically or
pneumatically.
Ideally, a canopy is movably mounted on the container proximal to the material
spreading opening.
Preferably, the canopy has a first position in which it covers the material
spreading opening and a second position in which it is held away from the material
spreading opening and is movable between these positions.
Ideally, the canopy is releasably coupled to the gate.
Preferably, movement of the gate between the closed position and the open
position moves the canopy from its first position to its second position.
The invention will now be described with reference to the accompanying
drawings which show by way of example only one embodiment of apparatus for
spreading material in accordance with the invention. In the drawings:
Figure 1 is perspective view of an apparatus for spreading material;
Figure 2 is a partial perspective view of a paddle;
Figure 3 is a partial rear elevation view of the apparatus for spreading material;
Figure 4 is a top plan view of a material spreading floor and a pair of paddles;
Figure 5 is a top plan view of a material spreading floor and a pair of paddles;
Figure 6 is an end view of a paddle board;
Figure 7 is a side elevation view of the paddle board of Figure 6;
Figure 8 is a top plan view of a paddle board, pivotal coupling and fixing member;
Figure 9 is a top plan view of a cap member of a turntable arrangement;
Figure 10 is a partial perspective view of a material spreading end of an apparatus for
spreading material;
Figure 11 is a second perspective view taken from the other side to the side shown in
Figure 10 of a material spreading end of an apparatus for spreading material;
Figure 12 is a partial perspective view taken from inside the container and looking
toward the material spreading end of the container;
Figure 13 is a partial front elevation view of the apparatus for spreading material and
Figure 14 is a schematic layout of the power transmission system of the apparatus.
Referring to the drawings and initially to Figure 1, there is shown an apparatus for
spreading material indicated generally by the reference numeral 1 having a carriage
arrangement and a container 2 mounted on the carriage arrangement. The container 2
has walls for defining one area indicated generally by the reference numeral 3 for
receiving material and another area indicated generally by the reference numeral 4 for
spreading material. The walls defining a material spreading opening 5, see Figure 10
and the material receiving area 3 have an arrangement for delivering the material to the
material spreading area 4. The material spreading area 4 has a substantially horizontal
shredding rotor 6, see Figures 10 and 12 mounted transverse the material spreading
opening 5 substantially perpendicular to the direction of travel of the material delivery
arrangement. The shredding rotor 6 has a plurality of material spreading chains 7
hanging there from, see Figures 10 and 12. The carriage arrangement comprises at
least one pair of wheels 9 mounted on an axle 11 and a drawbar 14 mounted below the
container 2. The container 2 is an open top container 2.
The material delivery arrangement is provided by a movable floor on the material
receiving area 3 and the movable floor is provided by a conveyor arrangement having a
pair of endless conveyor belts 15 and a conveyor belt drive member 17, see Figures 10,
12 and 13. The conveyor belt drive member 17 is a motor, operable electrically or
hydraulically. The endless conveyor belts 15 have flights 19 transverse the direction of
travel of the conveyor belts 15. Advantageously, the flights 19 urge the material towards
the material spreading area 4. The conveyor belts 15 are reversible. Advantageously,
this allows an operator to switch the direction of rotation of the conveyor belts 15, either
together or relative to one another to agitate the material. The two conveyor belts 15 are
mounted side by side.
The material spreading area 4 has a material spreading floor 31. see Figures 2 to
and 10 at a position vertically lower than the material delivery arrangement of the
material receiving area 3. The material spreading floor 31 has a pair of material
spreading paddles 32 and the paddles 32 are powered from a power take off (PTO)
shaft of a towing vehicle, such as a tractor (not shown). The material spreading paddles
32 are rotatably mounted above the material spreading floor 31. The material spreading
paddles 32 comprise a spreading rotor 33 and a pair of substantially horizontal paddle
boards 34 coupled to and extending laterally from the spreading rotor 33 above the
material spreading floor 31. The spreading rotor 33 is substantially vertical and protrudes
through the material spreading floor 31. The spreading rotor 33 is coupled to a rotor
drive shaft 36, see Figure 3 via a rotor gear box 37 and the rotor drive shaft 36 is
coupled to a PTO drive shaft 38, see Figure 1 via a PTO gear box 39. The pair of paddle
boards 34 is coupled to and extend laterally from the spreading rotor 33 from
diametrically opposed positions of the spreading rotor 33, see especially Figures 4 and
The paddle boards 34 are coupled to a turntable arrangement 41 which is
mounted on the spreading rotor 33. The turntable arrangement 41 has a base plate 42
coplanar with the material spreading floor 31 and rotatably mounted therein and a
separate cap member 44 spaced vertically above the base plate 42 and centrally
mounted via central bore 53, see Figure 9 on the spreading rotor 33 with the paddle
boards 34 sandwiched between the base plate 42 and the cap member 44. The paddle
boards 34 are pivotally coupled to the turntable arrangement 41 via a pivotal coupling
member 48, see Figure 8. The turntable arrangement 41 has a fixing arrangement 46
comprising a flange 49 extending from the pivotal coupling member 48 and a shear bolt,
see Figure 2. The shear bolt 55 passes through a cap member bore 50 defined in the
cap member 44 and a flange bore 51 defined in the flange 49. The fixing arrangement
46 between the turntable arrangement 41 and the paddle board 34 prevents pivotal
movement of the paddle board 34 relative to the turntable arrangement 41.
The fixing arrangement 46 is operable up to a predetermined torque level.
Advantageously, when the torque acting on the pivotal coupling member 48 between
any paddle board 34 and the turntable arrangement 31 exceeds the acceptable
predetermined level, the fixing arrangement 46 is released and the paddle board 34 is
free to rotate relative to the turntable arrangement 41, see Figure 4. The fixing
arrangement 46 breaks down as the shear bolt 55 mounted between the paddle board
34 and the turntable arrangement 41 shears under the predetermined torque.
Advantageously, this arrangement compensates for a piece of timber or other
foreign material 155, see Figure 2 for example being buried in the material and passing
onto the material spreading floor 31 unnoticed. As the paddle board 34 sweeps across
the material spreading floor 31 there is a risk that the timber or other foreign material 55
will get trapped between the paddle board 34 and some other fixed surface of the
material spreading floor 31. Without a shear bolt 55 mounted between the paddle board
and the turntable arrangement 41 the paddle board 34 would shear off the turntable
arrangement 41 causing major structural damage to the paddle 32. With the fixing
arrangement 46 built in, the only part to be replaced when something becomes lodged is
the shear bolt 55 as it will shear off before any torque is reached which would cause
damage to the paddle board 34, the turntable arrangement 41 or the pivotal coupling
member 48 or the rotor gearboxes 37. When the predetermined torque level is reached,
the shear bolt 55 shears and the paddle board 34 is able to pivot relative to the turntable
arrangement 41 allowing the paddle board 34 to move around the timber 55 or other
obstacle in the material without damaging the paddle 32, see Figure 4.
The shredding rotor 6 has a drive member indicated generally by the reference
numeral 61, see Figure 11. The shredding rotor drive member 61 comprises a drive
sprocket 62, a driven sprocket 63 coupled to one end of the substantially horizontal rotor
6 and an endless chain 64 mounted on the drive sprocket 62 and the driven sprocket 63.
The drive sprocket 62 is coupled to a 90° three shaft gearbox 120 (see Figure 14). A
row of chain attachment members 65, see Figure 12 are spaced along the rotor 6 in
alignment. A second row of chain attachment members 65 are also spaced along the
shredding rotor 6 in alignment and the second row of chain attachment members 65 are
angularly spaced around the circumference of the shredding rotor 6 from the first row of
chain attachment members 65. Four rows of aligned spaced chain attachment members
65 are angularly spaced around the circumference of the shredding rotor 6 relative to
each other and the aligned spaced chain attachment members 65 of one row are
staggered longitudinally along the rotor 6 relative to the chain attachment members 65 of
each adjacent row.
The material spreading chains 7 are rope chains manufactured from case
hardened steel. One end of the rope chain 7 is coupled to a chain attachment member
and the other end of the chain 7 has an agitating member 67, see Figure 10 attached
thereon. The chain attachment member is a pair of mutually opposing protruding plates
68 each having a through bore 69 substantially in alignment with each other. The
agitating member 67 comprises a steel buckle fastened onto a last loop of the rope chain
7.
The rotor shredding 6 is mounted on the wall above one end of the material
delivery arrangement proximal to the material spreading floor 31. The overall length of
the chains 7 and the agitating member 67 is less than the distance between the bottom
dead centre of the shredding rotor 6 and the top of the conveyor belt 15. In use, the
agitating member 67 swings freely above the top surface of the conveyor belt 15.
A gate 81, see Figures 1 and 11 is movably mounted on the wall of the container
2. The gate 81 is movable between a closed position and an open position, see Figure
12. The gate 81 divides the container 2 into a partially enclosed material receiving
compartment and a partially enclosed material spreading compartment in the closed
position. The gate 81 seals the material receiving compartment off from the material
spreading opening 5 in the closed position. Advantageously, the closed position of the
gate 81 allows a completely full container 2 of material to be transported across roads
and through built up areas without risk of the material spilling out of the material
spreading opening 5.
The container 2 is a substantially parallelepiped open top container having a
towing end wall 86 and two side walls 87, see Figure 1. The towing end wall 86 has an
access panel 89, see Figure 13 allowing an operator to access any material which has
become jammed at or about the towing end. The upper portion 91, see Figures 1, 11
and 12 of each side wall 87 is angled outwardly. The gate 81 is movably mounted on the
two opposing side walls 87 proximal to the material spreading end. The gate 81 is
slidably mounted on a pair of tracks 95, see Figure 11 which are mounted on opposing
locations of the side walls 87 proximal to the material spreading end. The gate 81 is in
operable engagement with a gate drive member which is operable hydraulically,
electrically or pneumatically.
A canopy 101, see Figures 1, 10 and 11 is movably mounted on the container 2
proximal to the material spreading opening 5 and the canopy 101 has a first position in
which it covers the material spreading opening 5 see Figures 1 and 11 and a second
position in which it is held away from the material spreading opening 5, see Figure 10
and is movable between these two positions. The canopy 101 is releasably coupled to
the gate 81 via a chain 103. see Figure 11 such that movement of the gate 81 between
the closed position and the open position moves the canopy 101 from its first position to
its second position.
In use, an operator connects to the apparatus for spreading material 1 using a
tow hitch on a tractor or some similar towing vehicle. The apparatus 1 is transported to
an area where the material is stored and the material is filled into the material receiving
area 3 of the container 2 using a front loader or similar bucket carrying power operated
machine. At this stage, the gate 81 is in the closed position and the conveyor belts 15
are switched off. The drive arrangement 61 for the shredding rotor 6 is also switched off
and the material spreading paddles 32 are decoupled from the tractor PTO. An operator
then transports the apparatus 1 full of material such as hen or cattle manure to a field
where it is to be spread. When the operator reaches their destination, the material
spreading paddles 32 are coupled to the tractor PTO by the operator manually
connecting the PTO drive shaft 38 to the tractor PTO which drives the paddles 32 via the
PTO gear box 39, the rotor drive shaft 36, the rotor gear box 37 and the spreading rotors
33. The operator activates the gate drive member which moves the gate 81 to an open
position. The canopy 101 is only raised for maintenance and must be in the down
position for shredding as it deflecls the material from the shredding rotor 6 to the
spreading rotors 42 to 44. The rotor drive arrangement 61 is powered up causing the
material spreading rotor 6 to rotate and the material spreading rope chains 7 and the
agitating members 67 to flail around the shredding rotor 6. At this stage, the tractor
operator can finally power up the conveyor belts 15 moving the material carried on the
belts 15 towards the flailing chains 7. The operator then puts the tractor in gear and
moves the entire apparatus forward with the tractor to spread the material across the
desired area of the field. The conveyor belt speed and direction can be varied as well as
the speed of the shredding rotor 6. When the container 2 has been emptied as all of the
material has been spread out of the material spreading opening 5, all of the moving
components can be powered down, the gate 81 closed which lowers the canopy over
the material spreading opening 5 and the apparatus 1 istransported back to the
farmyard or industrial plant for reloading.
The power transmission layout of the apparatus 1 is shown in Figure 14. The
power to the apparatus is taken from the shaft of the tractor which pulls the apparatus
and drives the rotor drive sprocket 62 and the rotor gearboxes 37.
Variations and modification can be made without departing from the scope of the
invention outlined above.
Claims (5)
1. An apparatus for spreading material comprising a carriage means and a container mounted on the carriage means, the container having wall means defining one area for receiving material and another area for spreading material and the wall means defining a material spreading opening, the material receiving area having means for delivering the material to the material spreading area and the material spreading area having a substantially horizontal shredding rotor mounted transverse to the material spreading opening, the shredding rotor having a plurality of material spreading chains suspended there from, the material delivery means is a movable floor of the material receiving area and the material spreading floor has at least one material spreading paddle, the paddle being coupled to a power take off (PTO) shaft of a towing vehicle.
2. An apparatus as claimed in Claim 1, in which the material spreading paddle is rotatably mounted on the material spreading floor and optionally, a pair of material spreading paddles is rotatably mounted above the material spreading floor, the or each material spreading paddle comprises a spreading rotor and at least one substantially horizontal paddle board coupled to and extending laterally from the spreading rotor above the floor, the spreading rotor being substantially vertical and protruding through the material spreading floor, the spreading rotor is coupled to a rotor drive shaft via a rotor gear box, and the rotor drive shaft is coupled to a PTO drive shaft via a PTO gear box and the pair of paddle boards is coupled to and extend laterally from the spreading rotor and the paddle boards extend from diametrically opposed positions of the spreading rotor.
3. An apparatus as claimed in Claim 2, in which the or each paddle board is coupled to a turntable arrangement which is mounted on the spreading rotor, the turntable arrangement has a circular base plate coplanar with the material spreading floor and is rotatably mounted therein, the turntable arrangement has a cap member spaced vertically above the base plate and is centrally mounted on the spreading rotor with the paddle boards sandwiched between the base plate and the cap member, the or each paddle board is pivotally coupled to the turntable arrangement and has a fixing means between the turntable arrangement and the paddle board to prevent pivotal movement of the paddle board relative to the turntable arrangement, the fixing means is operable up to a predetermined torque level, whereby when the torque acting on the pivotal coupling between any paddle board and the turntable arrangement exceeds the acceptable predetermined level, the fixing means is released and the paddle board is free to rotate relative to the turntable arrangement, and optionally the fixing means is a shear bolt mounted between the paddle board and the turntable arrangement.
4. An apparatus as claimed in any one of the preceding claims, in which the material spreading chains are rope chains which are manufactured from case hardened steel, one end of the rope chain is coupled to a chain attachment means and the other end of the chain has an agitating means attached thereon; the chain attachment means is a pair of mutually opposing protruding plates each having a through bore substantially in alignment with each other, the agitating means comprises a steel buckle fastened onto a last loop of the rope chain, the substantially horizontal rotor is mounted on the wall means above one end of the material delivery means proximal to the material spreading floor, the container is an open top container and a gate is movably mounted on the wall means of the container, the gate is movable between a closed position and an open position and divides the container into a partially enclosed material receiving compartment and a partially enclosed material spreading compartment in the closed position, the gate seals the material receiving compartment off from the material spreading opening in the closed position, whereby the closed position of the gate allows a completely full container of material to be transported without risk of the material spilling out of the material spreading opening, the container comprises a substantially parallelepiped open top container having a towing end wall and two side walls, the towing end wall has an access panel which allows an operator to access any material which has become jammed at or about the towing end, the upper portion of the side walls is angled outwardly, the gate is movably mounted on the two opposing side walls proximal to the material spreading end of the container and is slidably mounted on a pair of tracks which are mounted on opposing locations of the side walls proximal to the material spreading end of the container, and optionally the gate is in operable engagement with a gate drive means which is operable hydraulically, electrically or pneumatically.
5. An apparatus for spreading material substantially as herein described with reference to and as shown in the accompanying drawings.
Publications (2)
Publication Number | Publication Date |
---|---|
IE20060687U1 IE20060687U1 (en) | 2008-03-19 |
IES84979Y1 true IES84979Y1 (en) | 2008-10-01 |
Family
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