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0 PI C
`OFFICE DE LA PROPRIETE
`
`CI PO
`CANADIAN INTELLECTUAL
`
`INTELLECTUELLE DU CANADA
`
`PROPERTY OFFICE
`
`OTTAWA HuLL KL-'. oc9
`
`(11)(C) 2,002,619
`
`(22) 1989/11/09
`
`(43) 1991/05/09
`
`(45) 1995/09/19
`
`(52) 259-51
`C.L. CR. 137-78
`214-111
`
`BREVETS
`
`MARQUES
`DE COMMERCE
`
`DROJTS
`D1AUTEUR
`
`DESSINS
`(51)Intl.Cl.BOlF 3/10
`INDUSTRIEI.S
`
`TOPOGRAPHIES
`DE CIRCUITS
`INTEGRES
`
`PATENTS
`
`TRADE-MARKS
`
`CoPYRIGHT
`
`(19)(CA) CANADIAN PATENT (12)
`
`(54)Agitator and Pump Assembly
`
`INDUSTRIAL
`DESIGN
`
`(72)Depault, Marcel, Canada
`INTEGRA.TED
`ClRCUlT
`TOPOGRAPHY
`
`(73)Depault, Marcel, Canada
`
`(57)8 Claims
`
`Consommation et
`
`Consumer and
`
`l♦I
`Affairs Canada Affaires commerciales Canada Corporate
`
`
`
`
`3469 Canada
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 1 of 17
`
`

`

`200261.9
`
`19 SEP. 1995
`
`Abstract of the Disclosure
`
`An agitator and pump assembly adapted to be
`
`trailed behind a vehicle and to be moved into a manure
`
`
`
`pond, wherein the apparatus includes a pump housing at
`
`
`
`the end of an elongated frame supported on a wheeled
`
`
`
`sub-frame. The wheeled sub-frame is pivotally connec­
`
`
`
`
`
`ted near one end to a midpoint of the elongated frame.
`
`The pump housing includes a rotating bladed impeller
`
`having an axis of rotation which is at an acute angle
`
`
`
`10 to the elongated frame, and a screw pump extends above
`
`the housing for thrusting the material downwardly
`
`through the housing upon rotation thereof.
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 2 of 17
`
`

`

`200261.9
`
`- 1 -
`
`The present invention relates to an agitator
`
`and pump assembly for mixing and pumping slurry from
`
`holding ponds or lagoons in which animal manure is
`
`collected.
`
`The inventor has obtained U.S. Patent
`
`
`
`4,594,006, issued June 10, 1986, relating to a pump for
`
`mixing and pumping manure ponds. Such ponds are a
`
`
`
`combination of liquid and layers of hand-caked dried
`
`
`
`solids. As described in the above-mentioned patent, a
`
`10 combination
`of a vertical screw pump and an impeller is
`
`proposed to handle the material. The screw pump
`
`provides a vertical component to the flow of the liquid
`
`and solids to break up the caked layers, and the
`
`impeller acts as a pump to evacuate the liquid and
`
`solids in suspension through a drainage pipe directed
`
`outboard the pond. The impeller can also be used to
`direct the liquid through a jet nozzle having a hori-
`
`zontal component for the
`purpose of breaking up
`the
`
`caked layers and causing
`the sol ids to be mixed
`and
`
`20
`
`suspended in the liquid.
`
`The device of the above patent is mounted on
`
`a frame which is meant to be set up vertically in the
`
`pond. Given that such ponds are of varied depths and
`
`that it is not always possible, in the case of a
`
`shallow pond, to place the frame with the associated
`
`screw pump in a vertical attitude, the practical
`
`benefits of such an apparatus may be limited,
`in a
`
`portable version.
`
`30 provide an improved apparatus of the type described in
`
`It is an aim of the present invention to
`
`U.S. Patent 4,594,006.
`
`It is a further aim of the present invention
`
`to provide a portable agitator and manure pond pump
`
`which can be used in virtually any manure pond regard­
`
`less of the depth.
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 3 of 17
`
`

`

`2002619
`
`- 2 -
`
`It is a further aim of the present invention
`
`
`
`to provide an easily transportable agitator and manure
`
`
`
`pump apparatus which can be easily maneuvered by a con­
`
`
`
`ventional farm tractor and can be transported over
`
`roads by being trailed behind a light vehicle.
`
`
`
`A construction in accordance with the pre­
`
`sent invention comprises an elongated frame having a
`
`longitudinal axis, a pump housing mounted at one end of
`
`the frame, a bladed impeller is mounted for rotation
`
`10 about a rotation axis in the pump housing, means are
`
`provided for mounting the other end of the elongated
`
`
`
`frame to a transport vehicle in an articulate manner,
`
`means provided for supporting and locating the elon­
`
`gated frame in the manure pond, including a sub-frame
`
`pivotally mounted to the elongated frame, runner means
`
`
`
`provided on the sub-frame, and positive motor means for
`
`
`
`controlling the angle of the sub-frame relative to the
`
`elongated frame when the runner means are in contact
`
`with the bottom of the manure pond.
`
`20
`
`impeller
`More specifically the bladed
`
`mounted for rotation about the rotation axis
`in the
`
`pump housing extends at an angle of between 30° and 45°
`
`from the longitudinal axis of the elongated frame and a
`
`bladed thrust means is mounted for rotation, above the
`
`pump housing in a direction of thrust away from the
`
`
`
`rotary impeller. More specifically the bladed thrust
`
`means is mounted in the axis of the rotary impeller.
`
`Having thus generally described the nature
`
`of the invention, reference will now be made to the
`
`
`
`30 accompanying drawings, showing by way of illustration,
`
`
`
`a preferred embodiment thereof, and in which:
`
`Fig. 1 is a side elevation view of the pre­
`
`sent invention in a transport position;
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 4 of 17
`
`

`

`2002619
`
`- 3 -
`
`2 is a side elevation of the device
`Fig.
`
`1 w�th the apparatus prepared to be put
`shown in Fig.
`
`into operation;
`3 is a side elevation of the apparatus
`Fig.
`shown in Fig. 2
`operative position;
`in a subsequent
`
`4 is a side elevation of the apparatus
`Fig.
`shown in Fig. 3
`in a successive operative position;
`5 is a side elevation of the apparatus
`Fig.
`
`operative position; and
`in a successive
`shown in Fig. 4
`
`10
`
`
`
`Fig. 6 is a fragmentary enlarged vertical
`
`
`
`cross-section of a detail shown in Figs. 1 to 5.
`
`An agitator and pump assembly 10 is illus­
`
`trated in the drawings which includes an elongated
`
`frame 12 carrying a pump housing 14 at one end thereof.
`
`A sub-frame 16 is pivotally connected to the frame 12.
`
`
`
`The pump housing 14 is mounted to the end of
`
`the frame 12 at an acute angle thereto.
`
`As shown in Fig. 6, the pump housing 14
`
`includes an impeller 18 fixed to a shaft 24 which is
`
`20 journaled in bearings 20 of impeller casing 28 and
`
`bearings 21 in the frame 12. A cutting wheel 26 in the
`
`
`
`form of a multi-bladed propeller is mounted to the
`
`
`
`bottom end of shaft 24. The impeller casing 28 commun­
`
`
`
`icates with the pipe 30 for discharging liquid from the
`
`pump housing 14. A pair of support plates 22 mounts
`
`the impeller casing 28 to the frame 12.
`
`A shaft 32 is mounted in the same axis as the
`
`
`
`shaft 24 but on the opposite side of the frame 12 and
`
`extends upwardly from the pump housing 14. The shaft
`
`30
`
`
`
`32 mounts a spiral screw pump 40. It is contemplated
`
`that other thrust means could be provided, such as a
`
`
`
`multi-blade propeller. The shaft 32, which is jour­
`
`naled in bearings 33 in the frame 12, mounts bevel gear
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 5 of 17
`
`

`

`2002619
`
`- 4 -
`
`38a which in turn meshes with bevel gear 38b on the end
`
`of drive shaft 34. Likewise, the shaft 24 mounts a
`
`bevel gear 38c which meshes with the bevel gear 38b.
`
`The frame 12 is hollow and is formed by a
`
`rectilinear cylinder 54 which is sealed throughout.
`
`
`
`The cylinder 54 is provided with a lubricating oil in
`
`its interior, and this oil is prevented from escaping
`
`from the cylinder 54 by means of sealed bearings, etc.
`
`The axis of the shafts 24 and 32 is at an acute angle
`
`10
`
`
`
`The range of
`
`to the longitudinal axis of frame 12.
`°
`°
`angles is preferably between 30
`and 45
`.
`
`
`
`The purpose
`
`of having the axis of the shafts 24 and 32 at an acute
`
`angle to the frame 12 will become evident as will be
`
`described hereinbelow.
`
`The shaft 34 extends throughout the cylinder
`
`54 and is connected at a universal joint 3 6 in the
`
`elbow of the angled portio� of the frame 12.
`
`The discharge pipe 30 communicates with
`
`either a drainage pipe 52 or a diversion pipe 46,
`
`20 depending on the position of the valve 42. The valve
`
`42 can be either in a position to allow the liquid to
`
`
`
`pass through the diversion pipe 46 to the nozzle 48, or
`
`
`
`alternatively to the drainage pipe 52 to be loaded
`
`
`
`outboard of the pond P when in operation.
`
`The valve 42 is controlled by hydraulic
`
`control 44.
`
`A nozzle 48 is at right angles to the diver­
`
`sion pipe 46 and is rotated by means of a rotary cable
`
`
`
`50 operated by a hydraulic motor associated with the
`
`30 cable 50.
`
`The other end of the drive shaft 34 is
`
`coupled to a drive shaft 56, off a typical tractor
`
`vehicle V. The frame 12 is detachably connected to the
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 6 of 17
`
`

`

`20026�9
`- 5 -
`
`vehicle V by means of a hitch 58. A drain pipe 52 is
`
`supported on the frame 12 at its outby end by means of
`
`extendable.
`a support 66 which may be hydraulically
`
`The frame 12 may, in one embodiment, be
`
`to the end of the tractor V, and in such a
`cantilevered
`
`case, hydraulic cylinders would be provided for lifting
`
`
`
`the cantilevered frame in and out of the pond.
`
`A preferred embodiment is shown in the
`
`drawings which includes a sub-frame 16 which is pivoted
`
`10 to a pivot bracket 72 on the frame 12. The sub-frame
`16 may be in the form of a pair of parallel legs which
`
`are bent at 74 and at 76. Wheels 60 are mounted on the
`
`sub-frame 16, and a hydraulic ram 64 is mounted to a
`
`bracket 68 on the frame 12 which operates the dog-leg
`
`lever 62 fixed to the sub-frame 16 at the pivot point
`
`76.
`
`Figs. 1 to 4 show the successive operative
`
`positions of the agitator and pump assembly 10. Fig. 1
`
`shows the apparatus 10 in its transport position. It
`
`20 will be noted that a set of wheels 60 is provided in
`
`the area of the bent portion 74 of the legs forming the
`
`sub-frame 16 and have been removed from the wheel
`
`mounting 70.
`
`The frame 12 can be mounted to the rear of a
`
`
`
`lightweight vehicle, such as a pickup truck or even an
`
`
`
`automobile, for road transport. When it is required to
`
`drain a pond typically filled with animal manure, the
`
`wheels 60 are moved away from the bent portion 74 and
`
`are mounted to the wheel mounting 70 at the end of the
`
`30
`
`legs forming the sub-frame 16, and the vehicle is made
`
`to advance the apparatus 10 towards the pond P as shown
`
`in Fig. 2.
`
`in Fig. 3, the agitator and
`As illustrated
`
`pump assembly 10 is backed until the rear wheels 60 are
`
`on the edge of the pond P, at which point the vehicle
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 7 of 17
`
`

`

`200261.9
`
`- 6 -
`
`is halted. The ram 64 is then operated to move lever
`
`
`
`62 counterclockwise until the front wheels 60 break
`
`
`
`through the crust formed on the liquid in the pond and
`
`engage the floor of the pond P as shown in Fig. 4. The
`
`vehicle Vis then made to move backwards further as the
`
`sub-frame is supported by the lower wheels 60, and then
`
`the ram is actuated to allow the pump housing 14 on the
`
`frame 12 to be lowered into the pond P by pi voting
`
`about the hitch 58.
`Fig. 5 illustrates
`a position wherein the
`
`10
`
`pump housing 14 is nearer the bottom of the pond P.
`
`The frame 12 and pump housing 14 can be lowered to
`
`6 inches from the bottom of the pond P.
`approximately
`
`The pump is then actuated by means of drive shaft 34 so
`
`that both the impeller 18 and the screw 40 are rotated.
`
`The screw 40, by rotating, draws the liquid and por-
`
`tions of the crust downwardly against the pump housing,
`
`
`
`and the impeller 18 sucks the liquid from the bottom to
`
`pump the liquid through the pipe 30. The multi-bladed
`
`
`
`20 cutting device 26 will shred hay and other debris in
`
`order to allow the liquid material to pass through the
`
`
`
`impeller 18 and pipe 30. At the beginning of an
`
`
`
`operation, the liquid will be diverted through the
`
`
`
`diversion pipe 46 through the nozzle 48 which will be
`
`forced back into the pond P.
`
`However, by controlling
`
`the angle of the nozzle 48,
`the operator can help to
`
`break up the crust which is
`
`
`normally at the surface of
`
`the pond over the liquid.
`At the same time, the
`
`
`
`
`
`recirculation of the liquid through the impeller 18,
`
`30 diversion pipe 46, and nozzle 48, causes the solid
`
`particles to be broken up into smaller pieces,
`thereby
`
`rendering the material more liquefied.
`
`Once the liquid manure is of a suitable
`
`consistency,
`the valve control 44 will be operated to
`
`change the position of the valve 42 and divert the
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 8 of 17
`
`

`

`2002619
`
`- 7 -
`
`liquid from pipe 30 through to drain pipe 52 which will
`
`be connected up to a liquid storage tank on a vehicle
`
`
`
`which will then be utilized to transport and spread the
`
`manure on fields.
`
`As can be seen from the drawings, the acute
`
`angle of the shaft as relative to the frame 12 enables
`
`the apparatus to be used in shallow ponds P and at
`
`different levels of the pond P with the screw 40
`
`
`
`substantially vertical. It is understood that the axis
`
`
`
`10 will not be exactly vertical, but the thrust will cause
`
`the flow to move downwardly towards the pump housing
`
`14, and the impeller 26 can be made to approach the
`
`bottom of the pond P.
`
`A protecting bar 78 will be
`
`provided underneath the impeller casing to support the
`
`casing on the bottom floor and prevent the cutting
`
`wheel 26 from being damaged.
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 9 of 17
`
`

`

`-
`
`2002619
`
`The embodiments of the invention in which an exclusive
`
`
`property or privilege is claimed are defined as
`follows:
`
`
`
`1. An agitator and pump assembly comprising an
`
`
`
`elongated frame member having a longitudinal axis, a
`
`
`
`pump housing mounted at one end of the frame, a bladed
`
`
`
`impeller mounted for rotation about a rotation axis in
`
`the pump housing, means provided for mounting the other
`
`
`
`end of the elongated frame to a transport vehicle in an
`
`
`
`
`
`articulated manner, means are provided for supporting
`
`
`
`and locating the elongated frame in a manure pond in­
`
`
`
`cluding a sub-frame pivotally mounted at one end to the
`
`
`
`
`
`elongated frame intermediate the ends of the elongated
`
`
`
`
`
`frame, runner means provided on the sub-frame at least
`
`
`
`at the free end thereof, and positive motor means
`
`
`
`extending between the elongated frame and the sub-frame
`
`
`
`for pivoting the sub-frame relative to the elongated
`
`frame when the runner means are in contact with the
`
`bottom of the manure pond.
`
`2. An agitator and pump assembly as defined in
`
`claim 1, wherein the impeller rotation axis extends at
`
`an angle of between 30° and 45° from the longitudinal
`
`axis of the frame.
`
`3. An apparatus as defined in claim l, wherein
`
`the runner means are wheels provided at least at the
`
`
`
`other end of the sub-assembly from the pivotal mount of
`
`
`
`the sub-frame to the elongated frame.
`
`
`
`4. An apparatus as defined in claim 3, wherein
`
`the sub-frame is an elongated dog-leg frame with the
`
`wheels mounted at each end thereof, and a lever is pro­
`
`
`
`vided at one end of the sub-frame near the pivot mount
`
`
`
`of the sub-frame with the elongated frame and a hydrau­
`
`
`
`
`
`lic ram means is provided for activating the lever
`
`
`
`means such that the sub-frame can be rotated at an an-
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 10 of 17
`
`

`

`-
`
`2002619
`
`gle to the elongated frame to position the pump housing
`
`
`
`at different vertical attitudes within the pond.
`
`
`
`5. An agitator and pump assembly comprising an
`
`elongated first frame member having a longitudinal
`
`axis, a pump housing mounted at one end of the first
`
`frame, a bladed impeller mounted for rotation about a
`
`rotation axis in the pump housing, the impeller rota­
`
`tion axis extending at an angle of between 30° and 45°
`
`
`
`from the longitudinal axis of the frame, means provided
`
`for mounting the other end of the frame to a transport
`
`vehicle, including second frame means to which the
`
`
`
`first frame is articulated, and means are provided for
`
`moving the first frame relative to the second frame to
`
`
`
`change the angular disposition of the first frame
`
`thereto, a third frame pivotally mounted at one end to
`
`
`
`the elongated first frame member, wheel means provided
`
`on the other end of the third frame member, positive
`
`
`
`means for controlling the angle of the third frame
`
`relative to the elongated first frame when the wheel
`
`means are in contact with the bottom of a manure pond,
`
`such that the third frame supports the first frame mem­
`
`
`
`ber at different angular positions with the pump hous­
`
`ing in the pond.
`
`6. An apparatus as defined in claim 5, wherein
`
`the third frame is an elongated dog-leg frame with the
`
`wheel means mounted at each end thereof, and a lever is
`
`provided at one end of the third frame at the pivot
`
`
`
`point with the first frame, and hydraulic ram means are
`
`
`
`provided for activating the lever means such that the
`
`
`
`
`
`third frame can be angled relative to the elongated
`
`first frame to position the pump housing at different
`
`vertical attitudes within the pond.
`
`7. An apparatus as defined in claim 5, wherein
`
`the pump housing includes a pipe extending on the first
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 11 of 17
`
`

`

`2002619
`
`
`
`frame, from and communicating with the impeller such
`
`
`
`that liquid is pumped from the impeller through said
`
`
`
`pipe to alternatively: a recirculating nozzle, or a
`
`
`
`drainage pipe which carries the material outboard of a
`
`pond.
`
`8. An apparatus as defined in claim 5, wherein a
`
`bladed thrust means in the form of a screw conveyor
`
`extends in a spiral on a shaft with the shaft extending
`
`in the axis of rotation of the impeller and is
`
`
`
`connected thereto and extends along the first frame.
`
`/0
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 12 of 17
`
`

`

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`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 13 of 17
`
`

`

`2002619
`200261.9
`
`l
`
`.J
`
`wt
`
`
`
`PATENTAGENTS
`
`antagGilgbe
`
`tu
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`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 14 of 17
`
`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 14 of 17
`
`

`

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`
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`Exhibit 2017
`Bazooka v. Nuhn - IPR2024-00098
`Page 15 of 17
`
`

`

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`Page 16 of 17
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`Exhibit 2017
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`Page 16 of 17
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