WO2019158257A1 - Outil d'excavation - Google Patents

Outil d'excavation Download PDF

Info

Publication number
WO2019158257A1
WO2019158257A1 PCT/EP2018/084950 EP2018084950W WO2019158257A1 WO 2019158257 A1 WO2019158257 A1 WO 2019158257A1 EP 2018084950 W EP2018084950 W EP 2018084950W WO 2019158257 A1 WO2019158257 A1 WO 2019158257A1
Authority
WO
WIPO (PCT)
Prior art keywords
edge
digging
blade portion
cutting edge
embossed portion
Prior art date
Application number
PCT/EP2018/084950
Other languages
English (en)
Inventor
Ottmar Locher
Original Assignee
Husqvarna Ab
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 Husqvarna Ab filed Critical Husqvarna Ab
Publication of WO2019158257A1 publication Critical patent/WO2019158257A1/fr

Links

Classifications

    • 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
    • A01B1/00—Hand tools
    • A01B1/02—Spades; Shovels

Definitions

  • the present disclosure relates to a digging tool, and more particularly to a profile of the digging tool.
  • Existing digging tools such as a spade, a shovel, and the like, may include one or more linear part lines provided along a cutting edge of a blade portion thereof.
  • the liner part lines may extend sideward on the blade portion.
  • An overall geometry of the blade portion may be configured to effectively transfer a user’s digging effort to the ground during a digging operation in order to efficiently perform the digging operation.
  • the power required for the digging operation may directly correspond to various parameters of the ground, such as, hardness, digging depth, moisture content, and the like.
  • the digging tool includes a handle portion and a blade portion coupled to the handle portion.
  • the blade portion includes a first side and a second side disposed opposite the first side.
  • the blade portion includes a first edge extending between the first side and the second side.
  • the blade portion includes a second edge extending between the first side and the second side.
  • the second edge is disposed opposite the first edge.
  • the blade portion also includes a cutting edge extending between the first side and the second side, and between the first edge and the second edge.
  • the blade portion further includes an embossed portion provided on at least one of the first edge, the second edge, and the cutting edge.
  • the embossed portion is adapted to direct a user’s digging effort during the digging operation to a hardened area of a digging material, such as, rock portions, rooted portions, and the like.
  • the embossed portion enables to efficiently cut into the hardened area of the digging material with improved efficiency, improved precision, and reduced effort.
  • the embossed portion may allow using the digging tool as a cutting tool, such as an axe, by forcefully impacting or repeatedly hammering the embossed portion on the hardened area of the digging material, such as thick roots. This may allow using the digging tool for multiple uses other than digging.
  • the embossed portion extends, at least partially, on each of the first edge and the cutting edge.
  • the embossed portion may be provided on a limited section of the blade portion in order to cut into the hardened area of the digging material with improved precision.
  • the embossed portion may be provided on the limited section of the blade portion with reduced manufacturing complexity.
  • the embossed portion extends, at least partially, on each of the second edge and the cutting edge.
  • the embossed portion may be provided on the limited section of the blade portion in order to cut into the hardened area of the digging material with improved precision.
  • the embossed portion may be provided on the limited section of the blade portion with reduced manufacturing complexity.
  • the blade portion includes a notch provided on the cutting edge in association with the embossed portion.
  • the notch provides an improved cutting profile to the cutting edge in order to cut into the hardened area of the digging material with reduced effort.
  • FIG. 1 shows a partial front view of a digging tool, in accordance with an embodiment of the present invention
  • FIG. 2 shows another partial front view of the digging tool, in accordance with another embodiment of the present invention.
  • FIG. 3 shows another partial front view of the digging tool, in accordance with another embodiment of the present invention.
  • FIG. 4 shows another partial front view of the digging tool, in accordance with another embodiment of the present invention.
  • the digging tool 100 includes a handle portion 102.
  • the handle portion 102 is adapted to hold the digging tool 100 during a digging operation.
  • the handle portion 102 may include any configuration, such as cylindrical, elliptical, a combination thereof, and the like.
  • the handle portion 102 may be made of any material, such as wood, metal, polymer, a combination thereof, and the like.
  • the digging tool 100 also includes a blade portion 104.
  • the blade portion 104 is coupled to the handle portion 102 via a coupler 103.
  • the handle portion 102 may be directly coupled to the blade portion 104 such that the coupler 103 may be integral with the handle portion 102.
  • the blade portion 104 is adapted to dig into a digging material, such as soil, sand, mud, and the like, during the digging operation.
  • the blade portion 104 includes a substantially rectangular configuration.
  • the blade portion 104 may include any other configuration, such as triangular, circular, and the like, based on application requirements.
  • the blade portion 104 may be made of any material, such as metal.
  • the blade portion 104 includes a first side 106 or a front side.
  • the blade portion 104 also includes a second side 108 or a rear side.
  • the second side 108 is disposed opposite the first side 106.
  • the blade portion 104 includes a first edge 110 or a right edge.
  • the first edge 110 extends between each of the first side 106 and the second side 108.
  • the blade portion 104 includes a second edge 112 or a left edge.
  • the second edge 112 extends between each of the first side 106 and the second side 108.
  • the second edge 112 is disposed opposite the first edge 110.
  • the blade portion 104 also includes a cutting edge 114.
  • the cutting edge 114 extends between the first side 106 and the second side 108.
  • the cutting edge 114 also extends between the first edge 110 and the second edge 112.
  • the cutting edge 114 is adapted to dig into the digging material and/or cut into one or more hardened areas in the digging material, such as rocks, roots, and the like.
  • the blade portion 104 further includes an embossed portion 116, 118, 120, 122 provided on at least one of the first edge 110, the second edge 112, and the cutting edge 114 respectively.
  • the embossed portion 120, 122 is provided along the cutting edge 114.
  • the embossed portion 120, 122 may be provided using any fabrication process, such as stamping, bending, grinding, and the like.
  • the embossed portion 120, 122 is adapted to direct a user’s digging effort into the hardened areas in the digging material during the digging process.
  • the embossed portion 120, 122 provided on the cutting edge 114 may allow the user to direct the digging effort to cut roots, break rock lumps, and the like without using an additional separate tool.
  • the embossed portion 116, 118 provided on the first edge 110 and the second edge 112 respectively may allow the user to use each of the first edge 110 and the second edge 112 as an additional cutting edge to direct the digging effort to other surrounding hardened areas in the digging material while limiting constant adjustment of one or more digging parameters, such as a digging angle, a digging orientation, and the like. It should be noted that a configuration of each of the embossed portions 116, 118, 120, 122 described herein is merely exemplary and may vary based on application requirements.
  • the digging tool 100 may include the embossed portion 116, 120 provided partially along each of the first edge 110 and the cutting edge 114 respectively.
  • the embossed portion 118, 122 provided on the second edge 112 and the cutting edge 114 respectively may be omitted. Accordingly, in such a situation, the embossed portion 116, 120 may allow the user to direct the digging effort to the hardened areas in the digging material by adjusting the digging angle, the digging orientation, and the like, as per operational requirements.
  • the digging tool 100 may include the embossed portion 118, 122 provided partially along each of the second edge 112 and the cutting edge 114 respectively.
  • the embossed portion 116, 120 provided on the first edge 110 and the cutting edge 114 respectively may be omitted. Accordingly, in such a situation, the embossed portion 118, 122 may allow the user to direct the digging effort to the hardened areas in the digging material by adjusting the digging angle, the digging orientation, and the like, as per operational requirements.
  • the digging tool 100 may include the embossed portion 118, 122 provided partially along each of the second edge 112 and the cutting edge 114 respectively.
  • the embossed portion 116, 120 provided on the first edge 110 and the cutting edge 114 respectively may be omitted. Accordingly, in such a situation, the embossed portion 118, 122 may allow the user to direct the digging effort to the hardened areas in the digging material by adjusting the digging angle, the digging orientation, and the like, as per operational requirements.
  • the digging tool 100 may include the embossed portion 116, 120 provided partially along each of the first edge 110 and the cutting edge 114 respectively.
  • the embossed portion 118, 122 provided on the second edge 112 and the cutting edge 114 respectively may be omitted.
  • the embossed portion 116, 120 may allow the user to direct the digging effort to the hardened areas in the digging material by adjusting the digging angle, the digging orientation, and the like, as per operational requirements.
  • the digging tool 100 may include the embossed portion 120, 122 provided along the cutting edge 114.
  • the embossed portion 116, 118 provided on the first edge 110 and the second edge 112 respectively may be omitted.
  • the embossed portion 120, 122 may allow the user to dig into the digging material while simultaneously directing the digging effort to the hardened areas in the digging material by adjusting the digging angle, the digging orientation, and the like, as per operational requirements.
  • the digging tool 100 further includes a notch 124 provided in the cutting edge 114.
  • the notch 124 is provided in association with the embossed portion 120, 122 provided on the cutting edge 114.
  • the notch 124 is adapted to provide an enhanced cutting profile to the cutting edge 114 and/or the embossed portion 120, 122. Accordingly, during the digging operation, the cutting edge 114 in association with the notch 124 therein may allow the user to precisely direct and multiply the digging effort to the hardened areas in the digging material, in turn, reducing digging effort and user fatigue.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne un outil d'excavation (100) qui comprend une partie de manche (102) et une partie de lame (104) couplée à la partie de manche (102). La partie de lame (104) comprend un premier côté (106) et un deuxième côté (108) disposé à l'opposé du premier côté (106). La partie de lame (104) comprend un premier bord (110) s'étendant entre le premier côté (106) et le deuxième côté (108). La partie de lame (104) comprend un deuxième bord (112) s'étendant entre le premier côté (106) et le deuxième côté (108). Le deuxième bord (112) est disposé à l'opposé du premier bord (110). La partie de lame (104) comprend en outre un bord de coupe (114) s'étendant entre le premier côté (106) et le deuxième côté (108), et entre le premier bord (110) et le deuxième bord (112). La partie de lame (104) comprend en outre une partie gaufrée (116, 118, 20, 122) disposée sur au moins l'un du premier bord (110), du deuxième bord (112) et du bord de coupe (114).
PCT/EP2018/084950 2018-02-14 2018-12-14 Outil d'excavation WO2019158257A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018001167.5 2018-02-14
DE102018001167 2018-02-14

Publications (1)

Publication Number Publication Date
WO2019158257A1 true WO2019158257A1 (fr) 2019-08-22

Family

ID=64959299

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/084950 WO2019158257A1 (fr) 2018-02-14 2018-12-14 Outil d'excavation

Country Status (1)

Country Link
WO (1) WO2019158257A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US661287A (en) * 1900-05-15 1900-11-06 Charles C Crago Guard for shovels.
GB185500A (en) * 1922-03-02 1922-09-14 George Graham Improvements in shovels and the like
US20080301980A1 (en) * 2007-06-05 2008-12-11 Hill Iii Jesse E Apparatus and method for material handling on an irregular surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US661287A (en) * 1900-05-15 1900-11-06 Charles C Crago Guard for shovels.
GB185500A (en) * 1922-03-02 1922-09-14 George Graham Improvements in shovels and the like
US20080301980A1 (en) * 2007-06-05 2008-12-11 Hill Iii Jesse E Apparatus and method for material handling on an irregular surface

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