EP0394077A1 - Verankerungseinheit - Google Patents

Verankerungseinheit Download PDF

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Publication number
EP0394077A1
EP0394077A1 EP90400355A EP90400355A EP0394077A1 EP 0394077 A1 EP0394077 A1 EP 0394077A1 EP 90400355 A EP90400355 A EP 90400355A EP 90400355 A EP90400355 A EP 90400355A EP 0394077 A1 EP0394077 A1 EP 0394077A1
Authority
EP
European Patent Office
Prior art keywords
disc
opening
rod
assembly according
key
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
EP90400355A
Other languages
English (en)
French (fr)
Other versions
EP0394077B1 (de
Inventor
Patrick D. Thevenin
Bernard C. Gissinger
Stéphane J. Thevenin
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
Application filed by Individual filed Critical Individual
Priority to AT90400355T priority Critical patent/ATE88519T1/de
Publication of EP0394077A1 publication Critical patent/EP0394077A1/de
Application granted granted Critical
Publication of EP0394077B1 publication Critical patent/EP0394077B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/801—Ground anchors driven by screwing

Definitions

  • the present invention relates to disc anchors used to fix various structures in the ground such as vineyard, hop or orchard trellises, fences, guy lines for masts, antennas, poles, etc.
  • Such works essentially consist of a helically formed disc capable of sliding on a rod, at least one of the ends of which is in the form of a loop or an eyelet.
  • the disc of equal thickness over its entire surface has an opening or cut substantially centered on its axis for adaptation on a setting tool (generally called a wrench). On either side of this opening are grooves for drive fingers also provided on the key.
  • the key essentially consists of a large diameter tube connected in T to a gripping bar and carrying at its end a point associated with drive fingers.
  • the rod is threaded inside the tube and the disc is wedged on the drive fingers at the end of the tube on either side of the tip.
  • the key thus drives the disc in a helix around its axis, which allows it to penetrate deep into the ground with the rod associated with it. Once the correct depth has been reached, the key is removed and the protruding end shaped as an eyelet or hook on the rod receives the appropriate attachment cable. The disc then opposes the tearing of the rod out of the ground under the effect of the traction forces exerted on the latter.
  • the fact that the rod is threaded inside the tube of the key, the size of the latter is important because it must not only house the rod but also its end shaped as an eyelet; it must also receive at its end not only the driving point but the drive fingers; in addition it must provide sufficient passage to insert the rod and its loop in the key tube.
  • the tip is grooved longitudinally to present a generally C-shaped section.
  • FIGS. 1a and 1b A device of this known type is shown in FIGS. 1a and 1b.
  • the tool is of complex and expensive construction, it is bulky and heavy and its bulk requires the use of very large forces to drive the disc into floor.
  • the rod being substantially off-center on the disc to allow passage at the tip of the tool, the disc tends to take an oblique position in the ground under the effect of the traction forces which affects its resistance to tearing.
  • the disc due to the complex shape of the disc cutouts and the tip of the tool, the disc has only one only suitable position on 360 ° in which it can come to fit correctly on the tool. The user is therefore obliged to maneuver the disk in order to present it to the tool, which further complicates the installation process.
  • the disc must necessarily be kept perpendicular to the longitudinal axis of the rod to prevent it from skewing during installation, which would have the effect of considerably increasing the forces necessary for installation or even rendering it impossible.
  • the object of the present invention is to propose a new disc anchoring device which does not have these drawbacks and which ensures by simple and inexpensive means a precise, rapid and easy installation of the anchoring, as well as a horizontal position of the disc in the ground.
  • the invention proposes a new disc anchoring assembly, consisting of a helical disc associated with a rod, the above-ground end of which is in the form of a loop or an eyelet and a key for laying in general shape.
  • T having a full or hollow vertical barrel characterized in that the disc comprises, in addition to the opening for passage of the rod, a single drive and guide opening having at least one sharp angle associated with at least one guide means made of material and in that the barrel of the key has a solid and pointed end connecting to a portion of shape corresponding to that of the opening of the disc which thus ensures both the guidance and the drive of the disc by the key.
  • the rod of the disc is no longer threaded inside the barrel of the key for installation but is arranged outside and parallel to that this, which considerably simplifies the manufacture of the key and makes it much less bulky.
  • the opening for guiding and driving the disc is a rectangle obtained by a cross cut forming three triangles of material folded down at right angles on one side and / or the other of the edge of the cutting.
  • FIG. 2 shows the anchor disc 1 according to the invention.
  • the shaping of the disc 1 is not finished; it is still flat.
  • a cutout 13 is visible on the surface of the disc 1, this cutout is generally in the shape of a cross and thus defines points a, b, c, d arranged in order to form, in the example shown, a rectangle. Three of the triangles defined by this cross-cut 13 have been kept while the last is part of said cut.
  • a radial slot 14 connects the cutout 13 to the periphery of the disc 1. As can be seen in FIG. 2, this slot 14 opens into the cutout 13 in the triangular part thereof.
  • the cutout 13 could be in a cross leaving all around it the metal triangles that it delimits, the slot 14 would then extend to the center of the cross and would then cut one of said triangles into two parts.
  • the slot is intended to allow the deformation of the disc 1 in order to conform it into a helix.
  • the segments aa ′ and dd ′ connecting the ends of the cutout 13 to the edges of the slot 14 at its outlet in the cutout are found after the disc 1 has been shaped, generally parallel to each other at an angle with their initial direction.
  • the triangular parts 15 of metal are then folded along the sides ab, bc, cd of the rectangle defined by the cutout 13.
  • Said triangles 15 are folded down on one side and / or the other of the plane of the disc so as to be parallel to the axis of rotation of the propeller formed by said disc after its shaping.
  • the disc 1 then has a rectangular opening 16, visible in dotted lines in FIG. 1, three of the edges of which are bordered by the flaps 15.
  • one of the sides, here the side bc, of the opening 16 passes substantially through the center of the disc 1.
  • This opening 16 is, as will be understood, intended to allow the passage and the guidance of the positioning tool 3 shown diagrammatically in FIG. 3.
  • This tool is formed by a hollow or full barrel 30 terminated at one end by a perforating end piece 31 and carrying at the other end a transverse bar 34 by which the tool 3 can be driven in rotation about its longitudinal axis.
  • the perforating end piece 31 has a solid point 32 which may be in a warhead and a portion 33 of section equal to the opening 16 defined in the disc 1.
  • FIG. 5 shows the arrangement of the different parts with respect to one another when it is desired to lay an anchor in the ground.
  • the perforating tip 31 is inserted into the opening 16 and is guided by the triangles 15 of material as well as by the edges aa 'and dd' so as to be parallel to the axis of rotation of the disc 1.
  • the tool automatically guides itself into its correct position relative to the disc.
  • the disc can sink into the ground, whatever its faces, which rests on the ground; this further simplifies installation since the user does not have to pay attention to the position of a particular face of the disc when he puts it on his rod.
  • the rod 2 positioned in the opening 12 of the disc 1 is held against the tool 3, in this embodiment, by walls 35 of the latter arranged so as to create means for clipping said rod 2.
  • the rod 2 of the disc can be positioned along the barrel 30 of the tool by any other means, for example a tilting hook rotatably mounted on a handle of the tool and engaging in the loop 20 of the rod 2.
  • the tool 3 is thus positioned across the disc 1 at a point very close to the center of rotation of the latter, which makes it possible to carry out the fitting of the disc in the ground quite suitably.
  • the arrangement of the opening 16 eccentrically but at a very small distance from the disc has many advantages: - It is thus possible to provide the opening 12 for passage of the rod 2 much closer to the axis of the disc than in the embodiments usually used, which makes it possible to avoid biasing of the disc 1 in the ground during strong pulls on the end of the stem. - As seen in Figure 5, the rod is positioned outside of the tool 3 along it and not inside. This greatly reduces the size of what is entered into the ground and thus the resistance thereof. It is then possible to reduce the radial dimension of the perforating end piece 31 and of the barrel 30 which carries it accordingly.
  • the portion 33 and the opening 16 may of course be triangular, square or of any other geometric shape having at least one sharp angle or another indentation.
  • the qualifier rectangular is used to designate the form of cutting for guiding and driving the disc.
  • Figure 6 shows another particularly interesting arrangement of the invention.
  • This figure shows the upper end of the rod 2; it is to this part that the wire 4 intended for attaching the body to be anchored is fixed.
  • this end is folded back in a loop, either closed or open.
  • a rod with open loop is quicker to manufacture but poses a problem in use because if the tensile force exerted by the wire is very large, it is possible to unfold the loop which then no longer allows the anchoring of the wire.
  • the open loop rod being much more practical to use because it is then possible to mount the anchoring disc at any time, the invention seeks to use it by providing an improvement making it possible to avoid any risk of opening.
  • the end of the rod is shaped as a widely open hook 20 terminated by a straight portion 21 making an angle 22 with the end of the hook 20.
  • a widely open hook arrangement allows very easy mounting of the disc 1 on the rod when you want to use the anchor.
  • an elongated plate 23, for example rectangular, is provided, having an oblong slot 24 of dimension such that the said plate 23 can be positioned on the hook 20 as shown in the figure.
  • a disk is used provided with a removable rod.
  • Such an arrangement has major advantages for storage.
  • discs on which the rod is welded are also possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Transplanting Machines (AREA)
  • Dowels (AREA)
  • Soil Working Implements (AREA)
  • Braking Arrangements (AREA)
EP90400355A 1989-04-19 1990-02-09 Verankerungseinheit Expired - Lifetime EP0394077B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90400355T ATE88519T1 (de) 1989-04-19 1990-02-09 Verankerungseinheit.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8905197 1989-04-19
FR8905197A FR2646196B1 (fr) 1989-04-19 1989-04-19 Ensemble d'ancrage

Publications (2)

Publication Number Publication Date
EP0394077A1 true EP0394077A1 (de) 1990-10-24
EP0394077B1 EP0394077B1 (de) 1993-04-21

Family

ID=9380908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90400355A Expired - Lifetime EP0394077B1 (de) 1989-04-19 1990-02-09 Verankerungseinheit

Country Status (4)

Country Link
EP (1) EP0394077B1 (de)
AT (1) ATE88519T1 (de)
DE (1) DE69001381T2 (de)
FR (1) FR2646196B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2048157C (en) * 1991-07-30 1993-11-23 David C. Huffman Shade house, parts thereto and a method of building same
US5527500A (en) * 1994-06-02 1996-06-18 The Tensar Corporation Method of forming a framed panel utilizing tensioning by heat shrinking
AT407883B (de) * 1999-04-26 2001-07-25 Batiwe Beteiligungsgesellschaf Fundament für die verankerung von pflöcken, pfählen, stangen od.dgl.
FR2946673B1 (fr) 2009-06-11 2018-03-16 Jean Edouard Gissinger Systeme d'ancrage a disque

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983345A (en) * 1956-12-06 1961-05-09 Langer Richard Ground anchor for guy wires
FR2136915A1 (de) * 1971-05-07 1972-12-29 Glienke & Co Gmbh

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983345A (en) * 1956-12-06 1961-05-09 Langer Richard Ground anchor for guy wires
FR2136915A1 (de) * 1971-05-07 1972-12-29 Glienke & Co Gmbh

Also Published As

Publication number Publication date
FR2646196A1 (fr) 1990-10-26
DE69001381T2 (de) 1993-07-29
FR2646196B1 (fr) 1991-06-21
ATE88519T1 (de) 1993-05-15
DE69001381D1 (de) 1993-05-27
EP0394077B1 (de) 1993-04-21

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