WO2006073351A1 - Tool holder - Google Patents

Tool holder Download PDF

Info

Publication number
WO2006073351A1
WO2006073351A1 PCT/SE2005/002055 SE2005002055W WO2006073351A1 WO 2006073351 A1 WO2006073351 A1 WO 2006073351A1 SE 2005002055 W SE2005002055 W SE 2005002055W WO 2006073351 A1 WO2006073351 A1 WO 2006073351A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool holder
tool
coupling
vehicle
coupled
Prior art date
Application number
PCT/SE2005/002055
Other languages
French (fr)
Inventor
Per Johansson
Original Assignee
Per Johansson
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 Per Johansson filed Critical Per Johansson
Publication of WO2006073351A1 publication Critical patent/WO2006073351A1/en

Links

Classifications

    • 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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A01B59/066—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors of the type comprising at least two lower arms and one upper arm generally arranged in a triangle (e.g. three-point hitches)
    • A01B59/068—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors of the type comprising at least two lower arms and one upper arm generally arranged in a triangle (e.g. three-point hitches) the lower arms being lifted or lowered by power actuator means provided externally on the tractor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
    • A01B71/06—Special adaptations of coupling means between power take-off and transmission shaft to the implement or machine
    • 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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • 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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3686—Devices to connect tools to arms, booms or the like using adapters, i.e. additional element to mount between the coupler and the tool
    • 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

Definitions

  • the invention relates to a tool holder arranged, on one hand, to be coupled to a working vehicle and, on the other hand, to be coupled to a tool.
  • the invention relates to such a tool holder comprising vehicle-coupling members for alternative coupling to different working vehicles as well as tool-coupling members for alternative coupling to different types of tools.
  • the invention aims at meeting the demand for greater flexibility to utilize different tools in a plurality of mounting positions and in connection with different types of working vehicles.
  • This object is attained by a tool holder arranged, on one hand, to be coupled to a working vehicle and, on the other hand, to be coupled to a tool, comprising at least a first and a second tool-coupling member arranged for alternative coupling of different tools to the tool holder.
  • the tool holder is characterized by comprising vehicle-coupling member arranged for the coupling of the tool holder in alternative positions of a working vehicle or to different working vehicles, as well as by a driving member carried on the tool holder and having an output drive shaft to drive a coupled tool.
  • a tool holder in which a first vehicle-coupling member may be arranged for the coupling to a front loader mounted at the front part of a working vehicle, and in which a second vehicle-coupling member is arranged for the coupling to an arm for excavation mounted at the rear part of the working vehicle.
  • the first tool holder is preferably formed as a front-loader holder, and the second tool holder as a three-point attachment.
  • the driving member may be an electrically, hydraulically or pneumatically supplied motor, and may advantage ously be an electrically supplied servomotor.
  • the tool holder may have a tool -coupling member comprising a pin having a first axial portion of a first diameter formed in order to form a component included in a front -loader holder, and having a second axial portion of a second and smaller diameter formed in order to mount an arm included in a three-point attachment.
  • a tool holder comprises advantageously a tool-coupling member that has three fastening ears arranged with mutually aligned holes, the holes of a first and a second fastening ear of which have a common diameter corre - sponding to the diameter of the first axial portion of said pin, and the hole of the third fastening ear has a smaller diameter corresponding to the diameter of the second axial portion of the pin.
  • Fig. 1 shows a working vehicle having tool holders according to the invention coupled in a front lifting arm as well as in an excavating arm carried at the rear part of the vehicle;
  • Fig. 2 shows the tool holder in a perspective view
  • Fig. 3 shows an alternatively arranged tool holder in a perspective view corresponding to Fig. 2.
  • the tool holder comprises a supporting frame having a vehicle side and a tool side.
  • a working vehicle such as a tractor equipped with a front loader, three-point attachment or excavating arm, or alternatively an excavator.
  • a coupling member is likewise arranged for the detachable mounting of a tool on the tool holder.
  • This coupling member is suitably a three-point attachment, a front-loader holder, or other holder for the detachable coupling of a tool.
  • both the vehicle side and the tool side comprise at least two coupling members for alternative utilization of different tools and of different working vehicles.
  • the tool holder has a box-like support frame 1 having a pair of opposite vertical side pieces 2 and 3, respectively, which in the lower ends thereof are connected by a horizontal bottom piece 4 and in the upper ends thereof by a horizontal top piece 5.
  • the side pieces, bottom and top pieces of the support frame are shown as plates of steel, which are welded together in the corners of the support frame.
  • the support frame is formed to carry the coupling member described below and may be given another constructive design than the one shown, such as a framework construction or girder construction, without the general idea of the invention therefore being abandoned.
  • a first vehicle-coupling member is arranged in the form of a pair of hooks 6 (only one of which is visible in the drawing figure) and pin lead-throughs 7 for the coupling of the tool holder to co-operating members on the lifting arm of a front loader.
  • the holder 8 may be arranged directly on the top piece 5 or indirectly by an intermediately coupled swivel joint 9, by means of which the support frame 1 can be tilted in an optional direction around the trunnion 10 of the joint.
  • the tilting position is advantageously dynamically adjustable by means of at least one hydraulic cylinder 11, which engages between the support frame, or the top piece 5 thereof, and a holder 12 belonging to the tiltable part carrying the gate holder 8.
  • one or two stays 11' of adjustable length may be arranged between the support frame and the holder 12 for a static adjustment of a tilting position.
  • a first tool-coupling member is arranged in the form of a front-loader holder and comprising a pair of pins 13 as well as a pair of ears 14, 14' having through pins 15.
  • a second tool-coupling member in the form of a three-point attachment comprising arms 16, which in the inner ends thereof formed with ears are articulately carried on the pins 15, and which in a conventional way are anchored in the support frame, for instance in the side pieces of the support frame by means of stays, such as the illustrated extensible stays 17.
  • a pair of ears 18, arranged at the front edge of the top piece 5 of the tool holder for the lead-through of a pin belongs to the three- point attachment.
  • a driving member 19 is arranged to drive a tool that is coupled to one of the tool-coupling members.
  • the driving member 19 is a hydraulic motor driven by the hydraulic system of the working vehicle, which motor has an output drive shaft 20 to drive, for instance, snowblowers, grass mowers or other working tools, carried in any of the tool- coupling members.
  • the driving member may, alternatively, have another supply, such as pneumatic or electrical, and may, for instance, be an electrically supplied servomotor.
  • a pin 15 included in the tool holder is shown.
  • the pin 15 has a head, from which a first axial portion 15' extends that has a first diameter formed in order to form a compo nent included in a front-loader holder.
  • a second axial portion 15" further extends that has a second and smaller diameter formed for the mounting of an arm 16 included in a three-point attachment.
  • the support frame 1 has three fastening ears 14, 14' and 14" having mutually aligned holes.
  • the holes in a first and second fastening ear 14, 14' has a common diameter corresponding to the diameter of the first axial portion 15' of the pin 15, and the third fastening ear ' 14" has a smaller diameter corresponding to the diameter of the second axial portion 15" of the pin 15.
  • the tool holder according to the invention provides an increased utilization of working vehicles and tools, and allows unlimited freedom of choice to couple any tool either to the front or the rear of the working vehicle, notwithstanding whether the vehicle is equipped with a loader or an excavating arm.
  • the tool holder according to the invention allows simultaneous utilization of different or co-operating tools coupled both to the front and to the rear of the vehicle, such as is illustrated in Fig. 1. In this way, not only the flexibility of the fleet of vehicles is increased, but also the working capacity by the fact that, for instance, double grass mowers or snowblowers can be operated simultaneously using one and the same vehicle, the working width of which in this way can be doubled during one and the same working operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Manipulator (AREA)
  • Harvester Elements (AREA)
  • Agricultural Machines (AREA)

Abstract

The invention relates to a tool holder arranged, on one hand, to be coupled to a working vehicle and, on the other hand, to be coupled to a tool, comprising vehicle- coupling members for alternative coupling to different working vehicles as well as tool-coupling members for alternative coupling to different types of working tools . The tool holder is particularly characterized by a driving member carried on the tool holder and intended to drive a coupled tool.

Description

Tool holder
TECHNICAL FIELD
The invention relates to a tool holder arranged, on one hand, to be coupled to a working vehicle and, on the other hand, to be coupled to a tool. In particular, the invention relates to such a tool holder comprising vehicle-coupling members for alternative coupling to different working vehicles as well as tool-coupling members for alternative coupling to different types of tools.
TECHNICAL BACKGROUND OF THE INVENTION
Within the building and construction, agriculture and forestry, nature conservation and other fields of activity, there is a need for, by means of one and the same working vehicle, utilizing and driving different types of tools for the execution of varying types of jobs. Examples of such exchangeable tools are snow ploughs, snowblowers, sweeping rollers, concrete mixers, ploughs, harrows, water pumps, compressors, mowers, forestry processors, etc. In many cases, these are designed to be coupled to the three-point attachment that is arranged in the rear of a tractor, or to the front or back loader of the working vehicle. Many of the listed tools are furthermore driven by means of the tractor power take-off in connection with the three-point attachment, and therefore, in these cases the front loader cannot be utilized for the coupling of said tools.
During, for instance, grass mowing or other job on uneven or sloping ground, in ditches or in other hardly accessible locations and in shielded spaces, the capacity of a towed or pushed tool is limited to the possibility of driving the working vehicle across the location. In these cases in particular there is a demand to be able to couple the tool to an excavator arm, or to be able to alternate between a front or rear coupling position of the working vehicle.
THE INVENTION IN BRIEF
The invention aims at meeting the demand for greater flexibility to utilize different tools in a plurality of mounting positions and in connection with different types of working vehicles. This object is attained by a tool holder arranged, on one hand, to be coupled to a working vehicle and, on the other hand, to be coupled to a tool, comprising at least a first and a second tool-coupling member arranged for alternative coupling of different tools to the tool holder. The tool holder is characterized by comprising vehicle-coupling member arranged for the coupling of the tool holder in alternative positions of a working vehicle or to different working vehicles, as well as by a driving member carried on the tool holder and having an output drive shaft to drive a coupled tool.
By these measures, a tool holder is provided in which a first vehicle-coupling member may be arranged for the coupling to a front loader mounted at the front part of a working vehicle, and in which a second vehicle-coupling member is arranged for the coupling to an arm for excavation mounted at the rear part of the working vehicle.
The first tool holder is preferably formed as a front-loader holder, and the second tool holder as a three-point attachment.
The driving member may be an electrically, hydraulically or pneumatically supplied motor, and may advantage ously be an electrically supplied servomotor.
Furthermore, in one embodiment, the tool holder may have a tool -coupling member comprising a pin having a first axial portion of a first diameter formed in order to form a component included in a front -loader holder, and having a second axial portion of a second and smaller diameter formed in order to mount an arm included in a three-point attachment.
A tool holder according to the invention comprises advantageously a tool-coupling member that has three fastening ears arranged with mutually aligned holes, the holes of a first and a second fastening ear of which have a common diameter corre - sponding to the diameter of the first axial portion of said pin, and the hole of the third fastening ear has a smaller diameter corresponding to the diameter of the second axial portion of the pin. BRIEF DESCRIPTION OF DRAWINGS
The invention is described closer below in connection with appended schematic drawings, in which
Fig. 1 shows a working vehicle having tool holders according to the invention coupled in a front lifting arm as well as in an excavating arm carried at the rear part of the vehicle;
Fig. 2 shows the tool holder in a perspective view, and
Fig. 3 shows an alternatively arranged tool holder in a perspective view corresponding to Fig. 2.
DETAILED DESCRIPTION OF THE INVENTION
The tool holder according to the invention comprises a supporting frame having a vehicle side and a tool side. On the vehicle side, at least one coupling member is arranged for the detachable mounting of the tool holder on a working vehicle, such as a tractor equipped with a front loader, three-point attachment or excavating arm, or alternatively an excavator. On the tool side, at least one coupling member is likewise arranged for the detachable mounting of a tool on the tool holder. This coupling member is suitably a three-point attachment, a front-loader holder, or other holder for the detachable coupling of a tool. Preferably, both the vehicle side and the tool side comprise at least two coupling members for alternative utilization of different tools and of different working vehicles.
In the embodiment shown in Figs. 1-3, the tool holder has a box-like support frame 1 having a pair of opposite vertical side pieces 2 and 3, respectively, which in the lower ends thereof are connected by a horizontal bottom piece 4 and in the upper ends thereof by a horizontal top piece 5. Here, the side pieces, bottom and top pieces of the support frame are shown as plates of steel, which are welded together in the corners of the support frame. The support frame is formed to carry the coupling member described below and may be given another constructive design than the one shown, such as a framework construction or girder construction, without the general idea of the invention therefore being abandoned. In a side of the support frame 1 coupleable to a working vehicle, a first vehicle-coupling member is arranged in the form of a pair of hooks 6 (only one of which is visible in the drawing figure) and pin lead-throughs 7 for the coupling of the tool holder to co-operating members on the lifting arm of a front loader. A second vehicle-coupling member in the form of a biaxial holder, a so-called gate or a gate holder 8, is arranged on the top side of the top piece for the coupling of the tool holder to the excavating arm of an excavator loader or an excavator. Alternatively, the holder 8 may be arranged directly on the top piece 5 or indirectly by an intermediately coupled swivel joint 9, by means of which the support frame 1 can be tilted in an optional direction around the trunnion 10 of the joint. The tilting position is advantageously dynamically adjustable by means of at least one hydraulic cylinder 11, which engages between the support frame, or the top piece 5 thereof, and a holder 12 belonging to the tiltable part carrying the gate holder 8. In an alternative embodiment, instead of the hydraulic cylinder(s) 11, one or two stays 11' of adjustable length may be arranged between the support frame and the holder 12 for a static adjustment of a tilting position.
In a side of the support frame 1 coupleable to a tool, a first tool-coupling member is arranged in the form of a front-loader holder and comprising a pair of pins 13 as well as a pair of ears 14, 14' having through pins 15. A second tool-coupling member in the form of a three-point attachment comprising arms 16, which in the inner ends thereof formed with ears are articulately carried on the pins 15, and which in a conventional way are anchored in the support frame, for instance in the side pieces of the support frame by means of stays, such as the illustrated extensible stays 17. Also a pair of ears 18, arranged at the front edge of the top piece 5 of the tool holder for the lead-through of a pin (the pin is not shown), belongs to the three- point attachment.
Well protected inside the support frame 1, a driving member 19 is arranged to drive a tool that is coupled to one of the tool-coupling members. Advantageously, the driving member 19 is a hydraulic motor driven by the hydraulic system of the working vehicle, which motor has an output drive shaft 20 to drive, for instance, snowblowers, grass mowers or other working tools, carried in any of the tool- coupling members. The driving member may, alternatively, have another supply, such as pneumatic or electrical, and may, for instance, be an electrically supplied servomotor.
Now, with reference to Fig. 3, a pin 15 included in the tool holder is shown. The pin 15 has a head, from which a first axial portion 15' extends that has a first diameter formed in order to form a compo nent included in a front-loader holder. From said first axial portion of the pin 15, a second axial portion 15" further extends that has a second and smaller diameter formed for the mounting of an arm 16 included in a three-point attachment. For the receipt of the pin 15, the support frame 1 has three fastening ears 14, 14' and 14" having mutually aligned holes. The holes in a first and second fastening ear 14, 14' has a common diameter corresponding to the diameter of the first axial portion 15' of the pin 15, and the third fastening ear' 14" has a smaller diameter corresponding to the diameter of the second axial portion 15" of the pin 15.
By the design thereof, the tool holder according to the invention provides an increased utilization of working vehicles and tools, and allows unlimited freedom of choice to couple any tool either to the front or the rear of the working vehicle, notwithstanding whether the vehicle is equipped with a loader or an excavating arm. Likewise, the tool holder according to the invention allows simultaneous utilization of different or co-operating tools coupled both to the front and to the rear of the vehicle, such as is illustrated in Fig. 1. In this way, not only the flexibility of the fleet of vehicles is increased, but also the working capacity by the fact that, for instance, double grass mowers or snowblowers can be operated simultaneously using one and the same vehicle, the working width of which in this way can be doubled during one and the same working operation.

Claims

1. Tool holder arranged, on one hand, to be coupled to a working vehicle and, on the other hand, to be coupled to a tool, comprising at least a first and a second tool- coupling member arranged for alternative coupling of different tools to the tool holder, characterized by vehicle-coupling members operative for coupling of the tool holder in alternative positions of a working vehicle or to different working vehicles, as well as by a driving member (19) carried on the tool holder and having an output drive shaft (20) to drive a coupled tool.
2. Tool holder according to claim 1, characterized by a first vehicle-coupling member (6, 7) for the coupling to a front loader mounted in the front of a working vehicle, as well as a second vehicle-coupling member (8) for the coupling to an arm for excavation mounted in the rear of the working vehicle.
3. Tool holder according to claim 1 or 2, characterized by a first tool holder (13, 14, 14') formed as a front -loader holder, as well as a second tool holder (16, 18) formed as a three-point attachment.
4. Tool holder according to any one of the preceding claims, characterized in that the driving member (19) is an electrically, hydraulically or pneumatically supplied motor.
5. Tool holder according to claim 4, characterized in that the driving member is an electrically supplied servomotor.
6. Tool holder according to any one of the preceding claims, characterized by a tool- coupling member comprising a pin (15) having a first axial portion (15') of a first diameter formed in order to form a component included in a front-loader holder, and having a second axial portion (15") of a second and smaller diameter formed in order to mount an arm (16) included in a three-point attachment.
7. Tool holder according to claim 6, characterized by a tool-coupling member comprising three fastening ears (14, 14', 14") arranged with mutually aligned holes, the holes of a first and a second fastening ear (14, 14') of which have a common diameter corresponding to the diameter of the first axial portion (15') of the pin (15), and the hole of the third fastening ear (14") has a smaller diameter corresponding to the diameter of the second axial portion (15") of the pin (15).
PCT/SE2005/002055 2005-01-05 2005-12-29 Tool holder WO2006073351A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0500024-5 2005-01-05
SE0500024A SE527950C2 (en) 2005-01-05 2005-01-05 Coupler

Publications (1)

Publication Number Publication Date
WO2006073351A1 true WO2006073351A1 (en) 2006-07-13

Family

ID=34132500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2005/002055 WO2006073351A1 (en) 2005-01-05 2005-12-29 Tool holder

Country Status (2)

Country Link
SE (1) SE527950C2 (en)
WO (1) WO2006073351A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008087179A1 (en) * 2007-01-17 2008-07-24 Deere & Company Modular transmission assembly for an agricultural or industrial utility vehicle
EP2592042A1 (en) * 2011-11-11 2013-05-15 Vetter Umformtechnik GmbH Carrier device for load bearer and adapter for carrier device
CN104929178A (en) * 2015-06-16 2015-09-23 安庆市华鑫重工股份有限公司 Special converting fixed device for integrated hydraulic bucket for pavement breaking and digging
WO2019092420A1 (en) * 2017-11-07 2019-05-16 James Hayden Hitch assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE399866B (en) * 1975-09-12 1978-03-06 Renholmens Mek Verkstad Ab QUICK COUPLING DEVICE FOR AUTOMATIC CONNECTION OF ONE OF A LOADING MACHINE OR OTHER TOOL CARRIER SUPPORTED TOOL MOUNTING WITH A WORK TOOL
US5657825A (en) * 1993-08-10 1997-08-19 Englund; Lars Coupling device at a tractor
US6578295B1 (en) * 2001-05-30 2003-06-17 Glenmac Inc. Front end loader multiple tool attachment apparatus
EP1479830A1 (en) * 2003-05-22 2004-11-24 Burkhard Schuster Coupler for connecting a tool to the arm of an earth working vehicle and earth working tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE399866B (en) * 1975-09-12 1978-03-06 Renholmens Mek Verkstad Ab QUICK COUPLING DEVICE FOR AUTOMATIC CONNECTION OF ONE OF A LOADING MACHINE OR OTHER TOOL CARRIER SUPPORTED TOOL MOUNTING WITH A WORK TOOL
US5657825A (en) * 1993-08-10 1997-08-19 Englund; Lars Coupling device at a tractor
US6578295B1 (en) * 2001-05-30 2003-06-17 Glenmac Inc. Front end loader multiple tool attachment apparatus
EP1479830A1 (en) * 2003-05-22 2004-11-24 Burkhard Schuster Coupler for connecting a tool to the arm of an earth working vehicle and earth working tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008087179A1 (en) * 2007-01-17 2008-07-24 Deere & Company Modular transmission assembly for an agricultural or industrial utility vehicle
EP2592042A1 (en) * 2011-11-11 2013-05-15 Vetter Umformtechnik GmbH Carrier device for load bearer and adapter for carrier device
CN104929178A (en) * 2015-06-16 2015-09-23 安庆市华鑫重工股份有限公司 Special converting fixed device for integrated hydraulic bucket for pavement breaking and digging
CN104929178B (en) * 2015-06-16 2017-04-05 陈玉红 A kind of pavement breaking excavates integrated hydraulic scraper bowl dedicated convert fixing device
WO2019092420A1 (en) * 2017-11-07 2019-05-16 James Hayden Hitch assembly
US11525236B2 (en) 2017-11-07 2022-12-13 James Hayden Hitch assembly

Also Published As

Publication number Publication date
SE0500024D0 (en) 2005-01-05
SE0500024L (en) 2006-07-06
SE527950C2 (en) 2006-07-18

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