EP3208386A1 - Dispositif de reception et d'entrainement d'un agregat destine a la preparation de materiaux de chargement en pieces - Google Patents

Dispositif de reception et d'entrainement d'un agregat destine a la preparation de materiaux de chargement en pieces Download PDF

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Publication number
EP3208386A1
EP3208386A1 EP16450003.5A EP16450003A EP3208386A1 EP 3208386 A1 EP3208386 A1 EP 3208386A1 EP 16450003 A EP16450003 A EP 16450003A EP 3208386 A1 EP3208386 A1 EP 3208386A1
Authority
EP
European Patent Office
Prior art keywords
attachment
hydraulic
boom
arm
support structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16450003.5A
Other languages
German (de)
English (en)
Other versions
EP3208386B1 (fr
Inventor
Alexander Hartl
Dominik Hartl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hartl Solutions GmbH
Original Assignee
Hartl Engineering & Marketing GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hartl Engineering & Marketing GmbH filed Critical Hartl Engineering & Marketing GmbH
Priority to SI201631718T priority Critical patent/SI3208386T1/sl
Priority to EP16450003.5A priority patent/EP3208386B1/fr
Priority to PT164500035T priority patent/PT3208386T/pt
Priority to FIEP16450003.5T priority patent/FI3208386T3/fi
Priority to LTEP16450003.5T priority patent/LT3208386T/lt
Priority to DK16450003.5T priority patent/DK3208386T3/da
Publication of EP3208386A1 publication Critical patent/EP3208386A1/fr
Application granted granted Critical
Publication of EP3208386B1 publication Critical patent/EP3208386B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/407—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with ejecting or other unloading device
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/02—Conveying equipment mounted on a dredger
    • E02F7/026—Conveying equipment mounted on a dredger mounted on machines equipped with dipper- or bucket-arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators

Definitions

  • the invention relates to a device for receiving and driving an aggregate for processing, in particular crushing, classifying and / or sorting of lumpy feed. Furthermore, the invention relates to the use of such a device for receiving and driving an aggregate, which is suitable for processing, in particular crushing, classifying and / or sorting of lumpy feed material.
  • the invention relates to a device for processing, in particular crushing, classifying and / or sorting of lumpy feed.
  • the treatment of lumpy feed has, for example, in the industrial treatment of mineral resources, such. in quarrying, gravel and mining, as well as in the treatment of secondary materials, e.g. in the recycling of building rubble, a great importance.
  • the treatment comprises, in particular, the crushing, classifying and / or sorting of the lumpy feedstock. For crushing crushers are typically used.
  • the classification is done by means of screening devices.
  • Crushers are referred to as when they allow a comminution of the feed material to grain sizes in the coarse to medium size range, ie to a grain size of up to 1-10 mm. In contrast, one speaks of mills, if the Zielkörnung should lie in the underlying fine or finest area. Crushers can be used both stationary and mobile (on wheels or on crawler tracks).
  • Mobile crushers have the advantage over stationary crushers that they can be moved on the construction site or within a demolition field. Instead of transporting the feed material from the changing locations of its seizure over long distances to the stationary crusher, which causes high transportation costs, mobile crushers can easily be tracked with the aid of their integrated chassis on the construction site or in the demolition field in order to follow the location of the material seizure , Fully mobile crushing plants with permanently installed caterpillar tracks can be filled by excavators, for example. The shredded material can then be further processed on site or transported on relocatable belt systems or with wheel loaders.
  • mobile crushers Another advantage of mobile crushers is that they can be brought to the respective site or demolition field due to the relatively low transport weight with conventional transport devices without having to be broken down into their individual components.
  • a crusher bucket has the design of a blade with which the material to be crushed can be picked up as with a conventional bucket and which is open at the rear for the discharge of the crushed material.
  • the jaw crusher has lower production but can easier to transport and requires a digger for his operation.
  • a jaw crusher spoon is for example in the WO 2004/020747 A1 described.
  • the jaw bucket works with the hydraulic system of the excavator.
  • the hoses of the excavator, for ⁇ lzuund-Ablauf, are directly connected to the crusher bucket.
  • a hydraulic block regulates oil flow and oil pressure to deliver the correct amount to the hydraulic motor.
  • Crusher buckets have the following advantages in comparison to mobile crushers: Due to the design of the crusher as an attachment for excavators, the crusher can be easily removed and cultivated. This makes a simple change between different attachments possible. Furthermore, the crusher is adjustable in height because of the arrangement on an excavator, so that the respectively required distance to the ground or to a discharge device arranged therebelow can be adjusted. In particular, the crushing of steel-reinforced concrete, such as sleepers, with conventional mobile crushers is not possible because the emerging at the outlet of the crusher together with the crushed concrete steel bars have a certain amount of space in the vertical direction, which is not present in mobile crushers. Finally, crusher spoons have the advantage that the crusher can be easily tilted or jogged due to its attachment to the excavator in order to solve blockages or blockages of the excavator.
  • a disadvantage of crushing buckets is the production standstill of the crusher during the material intake with the attachment, so that the production capacity is low.
  • Compared to stationary crushers have systems with crushing buckets the disadvantage that the excavator, on the arm of the attachment is located, is blocked for other work.
  • the invention therefore aims to provide an improved apparatus for performing crushing or other treatment work, in particular classifying or sorting work, with a high production capacity to be achieved and the transport routes to be minimized.
  • the invention provides a device for receiving and driving an aggregate for processing, in particular crushing, classifying and / or sorting, of lumpy feedstock before, comprising a stationary, in particular frame-shaped support structure and a supported on the support structure supporting element with fastening means for releasably securing the unit designed as an attachment, wherein the support member for the attachment is arranged vertically adjustable and / or tiltable relative to the support structure, further comprising a drive device for the attachment, which via coupling and / or connecting means in driving connection with a drive of the attachment can be brought.
  • the invention thus makes it possible to use an attachment, which is actually intended for mobile vehicles, in particular excavators, on a stationary device.
  • the attachment such as a crusher bucket, used only for the preparation of the material, but not for the material intake.
  • a feeder device such as excavators, wheel loaders, etc.
  • the constant loading of the attachment with material thus allows an increase in the production of the attachment by up to 50%. This also reduces operating costs to a minimum.
  • the invention also provides great flexibility because implements can thereby be used both mobile on an excavator or wheel loader as well as stationary. Since attachments are designed for rapid attachment and removal, a simple change between the two types of application is possible. Furthermore, a change between different attachments in a simple manner possible.
  • the device according to the invention has a stationary, in particular frame-shaped supporting construction, which supports or supports a supporting element with fastening means for releasably securing the attachment.
  • the stationary design of the frame means that the device has no drive.
  • the device according to the invention also does not include a fixed chassis, such as a crawler chassis or wheels.
  • the support structure preferably comprises leidglich support legs, which are designed in particular extendable to compensate for uneven floors can.
  • additional stabilizing elements such as laterally extendable claws.
  • the support member for the attachment is arranged vertically adjustable and / or tiltable relative to the support structure.
  • the height adjustability allows you to adjust the distance of the attachment to the ground or to a conveyor below it. Due to the height adjustability, the problem of the insufficient distance between outlet and conveyor belt, which is known in the case of permanently installed units, is avoided, especially in the recycling of steel-reinforced concrete.
  • the attachment can also be moved far down due to the height adjustment, to ensure at low room heights (such as in tunneling) a very low task height.
  • the tilting function of the support element allows a rapid emptying of the attachment either to dump unbrechbaren material or sieved oversize.
  • the otherwise not possible with fixed tools otherwise shaking function of the support member also allows a relaxation of the feed material and thus a quick solution of blockages. This allows an additional increase in production.
  • the device according to the invention is further characterized by an integrated drive device for the attachment, which can be brought via coupling and / or connecting means in driving connection with a drive of the attachment.
  • an integrated drive device for the attachment which can be brought via coupling and / or connecting means in driving connection with a drive of the attachment.
  • the respective attachment is thus fed by the energy system of the device according to the invention.
  • the attachment comprises e.g. a hydraulic motor fed by a hydraulic system of the device according to the invention, the corresponding hoses for oil supply and drainage being connected directly to the attachment.
  • Attachments are usually by hand or with the help of quick change devices without much effort to the respective construction machine, in particular their boom, on and of this degradable.
  • the attachment is here preferably designed as a spoon crusher, in particular spoon jaw crusher, or as a sieve spoon.
  • the height adjustment or the tiltability of the attachment is achieved in that the support element is arranged for the attachment to a supported on the support boom, wherein the boom is designed adjustable so that the support element adjustable in height and / or tilting is.
  • the boom comprises at least a first and a second arm, which are pivotable relative to each other, wherein preferably the first arm is pivotally attached to the support structure. This results in a construction of two boom arms, which is comparable to the boom of an excavator.
  • the two arms are in this case preferably arranged pivotably, so that a kinematics results, with which the support member and the attachment attached thereto can be moved two-dimensionally, in particular in a vertical plane, namely a longitudinal center plane of the device.
  • the attachment can thereby be moved in the vertical direction and in a direction transverse thereto, namely forward and backward. Lateral adjustability, e.g. by a rotation of the boom about a vertical pivot axis, would also be conceivable.
  • a preferred embodiment provides that the attachment for the attachment is pivotally mounted on the second arm of the boom.
  • the construction of the boom with two pivotable arms is preferably designed such that the on the support element fixed attachment between an operating position and a parking or transport position can be moved, wherein the arms are arranged in the park or transport position in a mutually pivoted position and form in the mutually pivoted position between them a receiving space for the attachment.
  • the second arm and possibly the first arm of the cantilever is or are angled. This makes it possible for the arms together in the park or transport position pivoted relative to one another to form essentially a U or C shape, which forms a receiving cross section for the attachment.
  • the pivoting drives for pivoting the first arm, the second arm and / or the support element preferably each comprise at least one hydraulic cylinder-piston unit.
  • a separate transport device such as a transport vehicle.
  • at least one eyelet or a hook for gripping the device with a hook lift is provided on the support structure or on a rigidly connected thereto element.
  • the device can be grasped like a roll-off container and lifted or pulled onto the loading area of a transporting train, in particular a hook lift trailer.
  • the support structure or the support frame of the Device according to the invention is designed as a base frame of a roll-off container.
  • a simple and quick attachment of the attachment is preferably made possible by the fact that the support element comprises an adapter plate of a quick-change system for attachments.
  • a quick coupler system provides a standardized attachment interface, wherein the adapter plate is preferably designed to receive two parallel bolts of the attachment, wherein the boom usually engages the front bolt of the quick coupler and the tilt cylinder directly on the rear bolt.
  • the drive means comprises a first hydraulic pump, preferably driven by a first electric motor, which is connected to form a first hydraulic circuit with a hydraulic line leading to a hydraulic motor of the attachment and a hydraulic line leading back from the hydraulic motor, the back and forth the returning hydraulic line preferably each having a connector for connection to the attachment.
  • the respectively desired direction of rotation of the hydraulic motor can be selected.
  • a movable jaw or crushing plate of a jaw crusher can be driven in the one direction of rotation for the normal crushing operation and the other direction of rotation can be used for loosening material blocked in the crusher intake.
  • the direction of rotation of the screening or crushing rotors can be changed in order to ensure efficient screening or to release blockages.
  • a second hydraulic pump which is preferably driven by a second electric motor, which has a drive device for the height adjustment or tiltability of the support element, in particular the hydraulic cylinder-piston units of the tilting or tilting drives, and possibly a hydraulic oil cooler for cooling the in the first hydraulic circuit flowing medium feeds.
  • the control of the device according to the invention by an operator is preferably carried out not by actuating operations of the operator on the device itself, but remotely controlled.
  • the training is preferably made for this purpose so that the drive device for the attachment and / or a drive device for the height adjustment or tiltability of the support element are connected to a remotely controllable control device.
  • the invention provides the use of an attachment to a boom of a stationary device according to the first aspect of the invention for processing, in particular crushing, classifying and / or sorting, of lumpy feedstock.
  • the invention relates to the use of a device according to the invention for receiving and driving a designed as an attachment unit, which is suitable for processing, especially crushing, classifying and / or sorting of lumpy feed material and is releasably secured to the support member of the boom.
  • the attachment is preferably designed as a spoon crusher, in particular spoon jaw crusher, or as a sieve spoon.
  • FIG. 1 a perspective view of a device according to the invention with attached spoon breaker in an operating position
  • Fig. 2 a side view of the device according to Fig. 1 in the operating position
  • Fig. 3 a side view of the device according to Fig. 1 in a different operating position
  • Fig. 4 a side view of the device according to Fig. 1 in the parking position
  • Fig. 5 a perspective view of the device with associated discharge
  • Fig. 6 a detailed view of trained as spoon jaw breaker spoon crusher.
  • Fig. 1 the device according to the invention is shown, which serves to receive and drive an attachment.
  • the attachment is formed in the present embodiment as a spoon crusher 1.
  • the spoon crusher 1 is a crushing aggregate intended for attachment to a boom arm of a mobile working machine such as an excavator or the like, and therefore has a bucket 2 with which the material to be crushed can be picked up from the ground or a heap of material.
  • the material to be crushed enters the receiving opening 3 and is comminuted in the operating position of the spoon breaker by an integrated crusher.
  • the shredded material is discharged on the opposite side of the spoon 4.
  • the spoon breaker is now not used on the boom of a mobile construction vehicle, but on the stationary device 5.
  • the material is not absorbed by the fact that the spoon breaker receives the material on the ground, but with the help of a separate vehicle, such as an excavator or the like., Which receives the material and the receiving opening 3 of the spoon breaker 1 gives up, so that the spoon breaker 1 constantly in the in Fig. 1 shown operating position may remain.
  • the crushing operation must therefore not be interrupted for the material intake.
  • the device 5 is designed as a stationary device and comprises a support frame 6, which forms the supporting element of the device and rests on the ground.
  • the support frame may include support feet or the like for this purpose.
  • the support frame comprises two parallel, in the longitudinal direction extending spars 7, which are connected to each other at the front by a cross member 8.
  • the support frame 6 comprises two laterally extendable or foldable claws 9, which serve to increase the tipping stability.
  • a boom 10 is attached, which comprises a first arm 11 and a second arm 12.
  • the first arm 11 is pivotally mounted by means of a pivot bearing 13 on the support frame 6, wherein the pivot axis of the pivot bearing 13 extends horizontally and at right angles to the longitudinal direction.
  • the pivot drive for the first arm 11 includes a hydraulic cylinder-piston unit 14.
  • the two arm 12 is pivotally mounted on the first arm 11, wherein the pivot axis is parallel to the pivot axis of the pivot bearing 13.
  • the pivot drive for the second arm 12 includes a hydraulic cylinder-piston unit 15.
  • the second arm is angled and carries at its free end a support member 16, which is designed for example as an adapter plate of a quick coupler system for attachments.
  • the support member 16 is pivotally mounted relative to the second arm 12, wherein the pivot axis in turn runs parallel to the pivot axis of the pivot bearing 13.
  • the tilting drive for tilting of the support element and of the thereto rigidly mounted spoon breaker 1 is denoted by 17 and designed as a hydraulic cylinder-piston unit. How better in Fig. 2 can be seen, the spoon breaker 1 by means of two bolts 18 is attached to the adapter plate 16.
  • the device 5 has at the rear of a housing 19, in which the drive means for driving the Spout breaker 1 and the hydraulic cylinder-piston units 14, 15 and 17 is arranged.
  • Fig. 2 In the side view according to Fig. 2 is the device 5 as in Fig. 1 shown in an operating position, wherein like parts are provided with the same reference numerals.
  • a hinged platform 20 In contrast to Fig. 1 a hinged platform 20 is shown in the unfolded state. The hinged platform 20 is provided to place weights for increased stability on heavier attachments.
  • Fig. 3 the boom 10 is shown in a further forward displaced position, wherein the spoon crusher 1 has been tilted so that possibly in the crushing device of the spoon crusher 1 remaining material, as indicated schematically by the arrow 22, can be discharged.
  • Fig. 4 the spoon crusher 1 is shown in the parking position, in which the boom 10 is folded and the cantilever arms 11 and 12 together form a C- or U-shaped receiving profile in which the spoon crusher 1 is arranged.
  • the device 5 can be spent in this position in a simple manner on a transport vehicle and it can be made a change of location.
  • a hook 29 for receiving on a Hakenlift vonr not shown can be seen.
  • Fig. 5 the spoon breaker 5 is again shown in the operating position, wherein the broken material, which exits at the bottom 4 is applied to a conveyor 23.
  • the conveying device 23 comprises a material bunker 24, which is arranged directly underneath the material discharge of the spoon crusher 1 and from which the material is transported away by means of the conveyor belt 25.
  • Fig. 6 shows a jaw crusher in section, wherein a stationary first crusher 25 and one of these opposed movable crusher jaw 26 are provided.
  • the crusher jaw 26 is driven by an eccentric drive 27 to a pendulum reciprocating motion, so that between the jaws 25 and 26 reaching material is broken. The fractured material moves in the direction of the gap 28 and can be discharged.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP16450003.5A 2016-02-17 2016-02-17 Dispositif de reception et d'entrainement d'un agregat destine a la preparation de materiaux de chargement en pieces Active EP3208386B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SI201631718T SI3208386T1 (sl) 2016-02-17 2016-02-17 Naprava za sprejem in za pogon agregata za pripravo grudastega materiala
EP16450003.5A EP3208386B1 (fr) 2016-02-17 2016-02-17 Dispositif de reception et d'entrainement d'un agregat destine a la preparation de materiaux de chargement en pieces
PT164500035T PT3208386T (pt) 2016-02-17 2016-02-17 Dispositivo para receção e para acionamento de uma unidade agregada destinada ao processamento de materiais de carga aglomerados
FIEP16450003.5T FI3208386T3 (fi) 2016-02-17 2016-02-17 Laite kappalesyöttötavaran käsittelyyn tarkoitetun laiteyksikön vastaanottamiseen ja käyttämiseen
LTEP16450003.5T LT3208386T (lt) 2016-02-17 2016-02-17 Dozuotos gabalinių pašarų medžiagos laikymo ir jų ruošimo agregato varymo įrenginys
DK16450003.5T DK3208386T3 (da) 2016-02-17 2016-02-17 Apparat til at optage og drive et aggregat til bearbejdning af en klumpet ladning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16450003.5A EP3208386B1 (fr) 2016-02-17 2016-02-17 Dispositif de reception et d'entrainement d'un agregat destine a la preparation de materiaux de chargement en pieces

Publications (2)

Publication Number Publication Date
EP3208386A1 true EP3208386A1 (fr) 2017-08-23
EP3208386B1 EP3208386B1 (fr) 2023-04-05

Family

ID=55628971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16450003.5A Active EP3208386B1 (fr) 2016-02-17 2016-02-17 Dispositif de reception et d'entrainement d'un agregat destine a la preparation de materiaux de chargement en pieces

Country Status (6)

Country Link
EP (1) EP3208386B1 (fr)
DK (1) DK3208386T3 (fr)
FI (1) FI3208386T3 (fr)
LT (1) LT3208386T (fr)
PT (1) PT3208386T (fr)
SI (1) SI3208386T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220002967A1 (en) * 2020-07-06 2022-01-06 Thomas Sampson Dirt Screening Bucket Attachment Device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989149A (en) * 1974-03-13 1976-11-02 Auburn Equipment Limited Excavating device
BE890299A (nl) * 1981-09-10 1982-01-04 Thomas Joris J Hydraulische kraan met originele steunvoet, en gecombineerde grijper/dieplepelmechaniek
DE3716895A1 (de) * 1985-05-06 1987-12-03 Hakon Kjernsbekk Steinbrecher
US5431350A (en) * 1993-05-18 1995-07-11 Purser; Brian Scrap fragmentizer
WO2004020747A1 (fr) 2002-08-29 2004-03-11 Meccanica Breganzese S.R.L. Benne a concasser et cribler la roche

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989149A (en) * 1974-03-13 1976-11-02 Auburn Equipment Limited Excavating device
BE890299A (nl) * 1981-09-10 1982-01-04 Thomas Joris J Hydraulische kraan met originele steunvoet, en gecombineerde grijper/dieplepelmechaniek
DE3716895A1 (de) * 1985-05-06 1987-12-03 Hakon Kjernsbekk Steinbrecher
US5431350A (en) * 1993-05-18 1995-07-11 Purser; Brian Scrap fragmentizer
WO2004020747A1 (fr) 2002-08-29 2004-03-11 Meccanica Breganzese S.R.L. Benne a concasser et cribler la roche
US20050242220A1 (en) * 2002-08-29 2005-11-03 Guido Azzolin Bucket for crushing and screening stone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220002967A1 (en) * 2020-07-06 2022-01-06 Thomas Sampson Dirt Screening Bucket Attachment Device

Also Published As

Publication number Publication date
LT3208386T (lt) 2023-07-25
FI3208386T3 (fi) 2023-07-06
PT3208386T (pt) 2023-07-10
EP3208386B1 (fr) 2023-04-05
DK3208386T3 (da) 2023-07-10
SI3208386T1 (sl) 2023-10-30

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