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WO1999049718A1 - Pelle - Google Patents

Pelle Download PDF

Info

Publication number
WO1999049718A1
WO1999049718A1 PCT/EP1999/002003 EP9902003W WO9949718A1 WO 1999049718 A1 WO1999049718 A1 WO 1999049718A1 EP 9902003 W EP9902003 W EP 9902003W WO 9949718 A1 WO9949718 A1 WO 9949718A1
Authority
WO
WIPO (PCT)
Prior art keywords
stem
blade
airfoil
shovel
receptacle
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.)
Ceased
Application number
PCT/EP1999/002003
Other languages
German (de)
English (en)
Inventor
Uwe Waldemar Baum
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE29805643U external-priority patent/DE29805643U1/de
Priority claimed from DE29812006U external-priority patent/DE29812006U1/de
Application filed by Individual filed Critical Individual
Priority to EP99916887A priority Critical patent/EP1063877A1/fr
Publication of WO1999049718A1 publication Critical patent/WO1999049718A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A01B1/22—Attaching the blades or the like to handles; Interchangeable or adjustable blades
    • A01B1/222—Adjustable blades
    • A01B1/225—Adjustable blades around a substantially horizontal axis
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/02—Dredgers; Soil-shifting machines hand-operated ; handheld soil shifting equipment acting by sucking E02F3/8891

Definitions

  • the invention relates to a blade with an airfoil and a stem, the airfoil having a cutting edge.
  • DE 38 13 346 A1 discloses a shovel designed for versatile use, which is composed of three parts, of which the first part consists of the shovel blade and an insertion piece for the stem, the second part of a clamping in the insertion piece with a cone insertable stem intermediate piece and the third part consists of a stem end piece which can be inserted with a cone into the end of the stem intermediate piece as well as into the plug-in socket of the airfoil.
  • the airfoil is generally slightly trapezoidal with a straight front edge and a width of approximately 24 cm at the front and approximately 21 cm at the rear and a length of approximately 32 cm.
  • the stem intermediate piece and the stem end piece have a length of about 37 cm.
  • folding spades for example, are also known, such as are used primarily in the military field.
  • the shovel blade is pivotally attached to the stem, which stem also consists of at least two telescopically interconnected elements that allow the stem to be lengthened or shortened.
  • H. is suitable for tearing open natural floor coverings in particular.
  • the solution to this problem provides that the airfoil is rotatably arranged on the stem, that the airfoil can be locked in at least two positions on the stem and that the stem is bent by an angle at its end facing the airfoil, so that the airfoil in is positioned at an angle between 40 and 140 ° to the longitudinal axis of the stem.
  • the position of the scoop blade relative to the stem in a first position allows the usual use of the scoop for scooping bulk goods in an ergonomic manner.
  • the airfoil and stem form an essentially elongate blade.
  • the airfoil In a second position of the airfoil relative to the stem, which can be reached by rotating the airfoil relative to the stem, the airfoil is arranged at an angle between 40 and 140 ° to the longitudinal axis of the stem, so that the airfoil as a tool for tearing open, in particular, natural floor coverings suitable is.
  • the airfoil can be locked in both positions against unintentional twisting on the stem.
  • the relevant lock can be unlocked manually and preferably automatically locks when the desired position of the airfoil relative to the stem is reached.
  • the angle between the airfoil and the stem in 3 the position in which the shovel is to be used as a hoe is between 60 and 95 °.
  • the stem is releasably attached to the blade.
  • the handle can also be used for other tools that can be attached to the handle in the same way.
  • the stem is inserted with its free end into a tubular section-shaped receptacle arranged on the airfoil, the stem having at least one latching element at its free end which can be latched into corresponding latching recesses in the receptacle.
  • the blade has a blade-shaped receptacle in the form of a tube section.
  • the receptacle has corresponding locking recesses, at least two of which are provided in the receptacle. These locking recesses, together with at least one locking element at the free end of the stem, fix the fixed positions of the airfoil relative to the stem. If the intended use of the blade according to the invention is to be changed, the locking element is released from its first position and the blade is rotated relative to the stem, as a result of which the locking element can be locked into the second locking recess.
  • the locking element is designed as a spring-loaded pin with a hemispherical end and the locking recesses are designed as bores.
  • the bores are arranged in the wall of the receptacle, so that the spring-loaded pin engaging in a bore can be pushed out of the bore against the spring force, starting from the outer circumferential surface of the receptacle, before the stem is rotated relative to the airfoil.
  • the airfoil is facilitated by the hemispherical end of the pin so that the pin can be completely pushed out of the
  • Drilling is not necessary to twist the airfoil relative to the stem. Rather, the hemispherical end allows the blade to rotate relative to the stem when one is still on
  • the bores are arranged diametrically opposite one another in the receptacle in order to fix the two possible positions of the airfoil relative to the stem.
  • the diametrical arrangement of the bores thus corresponds to a necessary rotation of the airfoil relative to the stem through an angle of 180 °.
  • two locking elements are provided diametrically opposite in the stem, which are designed as pins and are arranged on both sides of a coil spring.
  • the pins have hemispherical ends and are arranged together with the helical spring in a radial bore of the stem, the pins having a collar at their end facing the spring, which prevents one or both pins from being completely pushed out of the radial bore of the stem.
  • the handle is preferably made of several parts or telescopic, the individual parts of the multi-part handle can be plugged together.
  • a locking device has proven to be advantageous, which consists of a radial bore in part of the stem and a spring-loaded pin with a hemispherical end in the adjacent part of the stem. 5
  • the shovel blade is divided into several prongs in the cutting edge area.
  • the tines preferably have circumferential cutting edges in the region of their free edges.
  • the airfoil has two lateral edge elements and a closing element connecting the edge elements in the region of the receptacle of the stem.
  • edge and end elements have the advantage that the handling of the blade is improved with loose, in particular fine-grained bulk material.
  • a certain volume of the airfoil can be defined by the edge elements and the end element, which facilitates the suitability of the airfoil when working with quantity-defined bulk material, for example when filling concrete mixing machines.
  • the edge elements are tapered to the cutting edge of the airfoil, so that the frictional resistance of the blade is not excessively increased by the edge elements when penetrating solid soil structures. It is further provided that the end element is concave towards the airfoil in order to improve the handling of the blade in the case of fine-grained bulk materials in such a way that the concave design of the end element enables the fine-grained bulk material to be absorbed with as little loss as possible, so that the airfoil overflows below of the predetermined volume is substantially prevented.
  • the edge elements in the region of the cutting edge have at least one Have tines to facilitate the penetration of the shovel both when working as a shovel and when working as a hoe in solid soil.
  • Figure 1 shows a first embodiment of a blade in a first position in a perspective side view
  • FIG. 2 shows the blade according to FIG. 1 in a second position in a perspective side view
  • FIG. 3 shows an airfoil of the blade according to FIGS. 1 and 2 in a perspective side view
  • Figure 4 shows a first lower part of a stem of the blade according to Figures 1 and 2 in a perspective side view
  • Figure 5 shows a second upper part of the handle of the blade according to Figures 1 and 2 in side view
  • Figure 6 shows a second embodiment of a blade in a first position in a side view
  • FIG. 7 shows the blade according to FIG. 6 in a second position in a perspective side view
  • FIG 8 shows the blade according to Figures 6 and 7 in disassembled
  • a blade shown in FIG. 1 consists of an airfoil 1 with a cutting edge 2 and a stem 3.
  • the airfoil 1 has a blade surface 4 which extends from the cutting edge 2 in the direction of the stem 3 and which in the region of the stem 3 is in concave end element 5 merges.
  • the airfoil 1 each has an edge element 6, which is essentially triangular in shape, the edge element 6 starting from the end element 5 tapering to the cutting edge 2 and together with the end element 5 a certain volume of the airfoil 1 Are defined.
  • the end element 5 has on its side facing away from the blade surface 4 a receiving device 7 with a tubular receptacle 8 into which the stem 3 can be inserted and locked.
  • the receiving device 7 consists of a plate-shaped element which is preferably attached in one piece to the closure element 5 and which is arranged essentially tangentially to the concave curvature of the closure element 5. Between this plate-shaped element and the end element 5, stiffening elements 9 are provided which stiffen the airfoil 1 in the region of the end element 5, in which the greatest forces are to be absorbed.
  • the edge elements 6 also have presentation areas 9 which serve to accommodate advertising and / or description and / or the like.
  • the stem 3 is formed in two parts according to FIGS. 4 and 5, the first part 10 of the stem 3 essentially being an elongated piece of pipe.
  • the end 11 of the first part 10 of the stem 3 which can be inserted into the receptacle 8 of the airfoil 1 is one such compared to the longitudinal extent of the first part 10 of the stem 3 8th
  • This arrangement results from the relative arrangement of the end 11 of the stem 3 to the remaining section of the first part 10 of the stem 3 and the relative arrangement of the longitudinal axis of the receptacle 8 relative to the blade surface 4.
  • the angle ⁇ between the end which can be inserted into the receptacle 8 11 of the first part 10 of the stem 3 and the longitudinal section of the part 10 of the stem 3 is approximately 135 °, this angle ⁇ having the same size as the angle ⁇ (FIG. 6) between the plane of the blade surface 4 and the longitudinal axis of the receptacle 8 is provided.
  • the first part 10 of the stem 3 has a locking element 12 in the region of the end 11, which is designed as a pin with a hemispherical end running radially to the end 11.
  • the pin is inserted into a corresponding bore in the end 11 of the first part 10, the pin being held in the stem 3 by a spring (not shown).
  • the receptacle 2 has locking recesses, not shown, in the form of bores, into which locking recesses the pin of the locking element 12 can alternatively be locked.
  • the function of the locking element 12 and the locking recesses, not shown, will be described below.
  • the first part 10 of the stem 3 has a bore 14 which penetrates radially through the stem 3.
  • FIG. 5 shows a second part 15 of the handle 3, which can be connected to the first part 10 of the handle 3.
  • the second part 15 of the stem 3 is substantially L-shaped at one end, one end 16 is designed as a handle.
  • a material thickening 18 is provided in the transition area between the end 16 and the section 17 arranged in alignment with the longitudinal section of the first part 16.
  • a further stabilization unit 19 is arranged opposite the material thickening 18.
  • the second part 15 has at its end facing the first part 10 of the stem 3 a section 20, the outside diameter of which corresponds to the inside diameter of the end 13 of the tubular part 10 of the stem 3, so that the section 20 can be inserted into the first part 10 .
  • the section 20 has two pins 21 arranged radially in the section 20, between which a coil spring is arranged which pushes the two pins 21 apart.
  • the pins are pushed into section 20 against the spring force before they snap into bores 14 when they reach them.
  • the ends of the pins 21 protruding from the section 20 are hemispherical.
  • Figure 1 shows the blade in a first position, in which the blade surface 4 is aligned substantially parallel to the elongated part of the stem 3.
  • the shovel is suitable for shovel work, particularly with regard to fine-grained bulk materials that can be handled well and safely with the shovel by the edge elements 6 and the end element 5, the edge elements 6 and the end element 5 being easy to determine and define Allow bucket filling.
  • a second position of the blade is shown in Figure 2. In this position, the airfoil 1 is rotated by 180 ° relative to the stem 3, so that there is an angle of approximately 90 ° between the blade surface 4 and the elongated section of the stem 3.
  • the shovel is particularly suitable as a hoe for loosening up floor coverings of natural consistency, for example clay soils, clay soils or the like.
  • the locking element 12 engages in a locking recess, not shown in the figures, so that the blade 1 is fixed relative to the stem 3.
  • FIGS. 6 to 8 show a second embodiment of a shovel which is designed as a hand shovel, in particular as a small trowel shovel.
  • the blade according to FIGS. 6 to 8 again consists of the blade 1 and the stem 3.
  • the stem 3 is detachable and rotatable in the receptacle 8 of the blade 1.
  • the handle 3 is fixed in the receptacle 8 in the same way as described above for the blade according to FIGS. 1 to 5.
  • the shovel according to FIGS. 6 to 8 has only two parts.
  • the blade according to FIGS. 6 to 8 has a cutting edge 2 which is divided into a plurality of prongs 22, the free edges of which are designed as cutting edges.
  • the edge elements 6 in the front area ie. H. have one or more cutting tines 23 in the area of the cutting edge 2.
  • FIG. 6 again shows very clearly the angle ⁇ between the longitudinal axis of the stem 3 and the longitudinal axis of the receptacle 8 or the angle ⁇ between the longitudinal axis of the receptacle 8 and the blade surface 4.
  • Both the angle ⁇ and the angle ⁇ which are preferably of the same size, have a size of approximately 135 °.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Knives (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne une pelle comprenant une pale (1) et un manche (3), la pale (1) présentant une arête centrale (2). L'invention vise à perfectionner ladite pelle, de manière qu'elle puisse avoir une utilisation multifonctions pour au moins deux étapes différentes. A cet effet, il est prévu que la pale (1) soit montée rotative sur le manche (3), qu'elle puisse être bloquée au niveau du manche (3) dans au moins deux positions et qu'à son extrémité (11) faisant face à la pale (1), le manche (3) soit coudé d'un angle (α), de manière que la pale (1) se trouve dans une position, à un angle compris entre 40 et 140° par rapport à l'axe longitudinal du manche (3).
PCT/EP1999/002003 1998-03-27 1999-03-24 Pelle Ceased WO1999049718A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99916887A EP1063877A1 (fr) 1998-03-27 1999-03-24 Pelle

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29805643U DE29805643U1 (de) 1998-03-27 1998-03-27 Schippe, demontierbar in 3 auswechselbare Teile für eine Kofferverpackung, funktionelle neue Form und erhöhtes Volumen für bessere Leistungen und vielseitige Anwendungen
DE29805643.7 1998-03-27
DE29812006.2 1998-07-06
DE29812006U DE29812006U1 (de) 1998-07-06 1998-07-06 Gartengerät in Form von Kelle und Hacke

Publications (1)

Publication Number Publication Date
WO1999049718A1 true WO1999049718A1 (fr) 1999-10-07

Family

ID=26061368

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/002003 Ceased WO1999049718A1 (fr) 1998-03-27 1999-03-24 Pelle

Country Status (2)

Country Link
EP (1) EP1063877A1 (fr)
WO (1) WO1999049718A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013186117A1 (fr) * 2012-06-12 2013-12-19 Natolino Andreas Pelle à main
DE102010046081B4 (de) 2010-09-20 2017-03-30 Iossif Brailovski Einrichtung zum Anbau

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56416C (de) * PH. F. WEITZ in Posen Ausziehbarer Stiel für Spaten und dergl
DE437134C (de) * 1926-01-28 1926-11-12 Eduard Herricht Gartengeraet, welches als Spaten, Hacke oder Harke verwendbar ist
US2170125A (en) * 1938-06-08 1939-08-22 Dorothy Ilene Caldwell Convertible tool
US4538847A (en) * 1984-07-10 1985-09-03 Lapshansky John F Pivotable multiple socket
DE3813346A1 (de) 1988-04-21 1989-11-02 Marquardt Dieter Schaufel
EP0727175A1 (fr) * 1995-02-15 1996-08-21 Leborgne Outil de ramassage réversible

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56416C (de) * PH. F. WEITZ in Posen Ausziehbarer Stiel für Spaten und dergl
DE437134C (de) * 1926-01-28 1926-11-12 Eduard Herricht Gartengeraet, welches als Spaten, Hacke oder Harke verwendbar ist
US2170125A (en) * 1938-06-08 1939-08-22 Dorothy Ilene Caldwell Convertible tool
US4538847A (en) * 1984-07-10 1985-09-03 Lapshansky John F Pivotable multiple socket
DE3813346A1 (de) 1988-04-21 1989-11-02 Marquardt Dieter Schaufel
EP0727175A1 (fr) * 1995-02-15 1996-08-21 Leborgne Outil de ramassage réversible

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046081B4 (de) 2010-09-20 2017-03-30 Iossif Brailovski Einrichtung zum Anbau
WO2013186117A1 (fr) * 2012-06-12 2013-12-19 Natolino Andreas Pelle à main
US9374937B2 (en) 2012-06-12 2016-06-28 Andreas Hinrich Natolino Hand shovel including a shovel and a handle having a slightly V-shaped arrangement

Also Published As

Publication number Publication date
EP1063877A1 (fr) 2001-01-03

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