EP0568934A2 - Vorrichtung zum Heben von vorgefertigten Gegenständen, insbesondere aus Beton oder dergleichen - Google Patents

Vorrichtung zum Heben von vorgefertigten Gegenständen, insbesondere aus Beton oder dergleichen Download PDF

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Publication number
EP0568934A2
EP0568934A2 EP93107047A EP93107047A EP0568934A2 EP 0568934 A2 EP0568934 A2 EP 0568934A2 EP 93107047 A EP93107047 A EP 93107047A EP 93107047 A EP93107047 A EP 93107047A EP 0568934 A2 EP0568934 A2 EP 0568934A2
Authority
EP
European Patent Office
Prior art keywords
plate
handle
latch
seat
notch
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
EP93107047A
Other languages
English (en)
French (fr)
Other versions
EP0568934B1 (de
EP0568934B2 (de
EP0568934A3 (de
Inventor
Benito Zambelli
Sergio Zambelli
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
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Application filed by Individual filed Critical Individual
Publication of EP0568934A2 publication Critical patent/EP0568934A2/de
Publication of EP0568934A3 publication Critical patent/EP0568934A3/xx
Publication of EP0568934B1 publication Critical patent/EP0568934B1/de
Application granted granted Critical
Publication of EP0568934B2 publication Critical patent/EP0568934B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
    • B66C1/666—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof for connection to anchor inserts embedded in concrete structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus

Definitions

  • the present invention relates to a device for lifting prefabricated components, particularly made of concrete or the like.
  • various kinds of devices are used for lifting concrete components; such devices can be grouped into three main categories, according to the element to be embedded in the concrete in order to form an engagement point for the element which performs the lifting action.
  • Devices are in fact known which are based on the use of shaped tubular bodies, to be embedded in the concrete, and of a pin to be inserted in the shaped cavity defined by the tubular body in order to couple the component to a lifting machine.
  • Hand-made and industrially-manufactured devices which use a rod or nail, to be embedded in the component, and a hook or clamp, which is connected to the lifting machine and can engage the rod or nail protruding from the component or accommodated in an appropriate recess.
  • Lifting devices belonging to these two first categories very often have the drawback that the element embedded in the concrete protrudes from said concrete and thus must be removed by cutting after use.
  • the recess in which the end of the element anchored in the concrete is accommodated is large, with problems as regards the aesthetics of the component, due to the shape of the element which performs the lifting action and has to be inserted in said recess.
  • Lifting devices which have a plate to be anchored in the component except for one end, which is in any case kept within the volume occupied by the component by providing a recess in the body of the component at said end.
  • This end of the plate is crossed by a hole in which it is possible to insert a curved latch accommodated in a toroidal seat formed in a handle partially insertable in said recess.
  • the toroidal seat is interrupted by a radial notch in which the end of the plate is insertable in order to engage it by means of the latch.
  • Known lifting devices furthermore have no safety systems for preventing the lifting of the component if engagement of the element anchored in the concrete is defective.
  • the aim of the present invention is to solve the above described problems by providing a lifting device which is simple and practical to use, achieves a better distribution of the forces exchanged between the lifting element and the element anchored in the component, so as to safeguard the integrity of said component even if it has low strength.
  • an object of the present invention is to provide a lifting device which makes component engagement operations extremely simple and rapid.
  • Another object of the present invention is to provide a lifting device which offers adequate assurances of safety against accidental disengagement of the component during lifting.
  • a further object of the present invention is to provide a lifting device which can be manufactured at competitive costs with respect to known lifting devices.
  • a device for lifting prefabricated components which comprises a plate, arranged in a plane which is substantially parallel to the lifting direction, for embedding in a component except for an end which can be accommodated in a recess defined in said component and can be accessed from outside, and a lifting handle insertable in said recess and provided with engagement means which can be coupled to said end of the plate, characterized in that said handle has, on its portion insertable in said recess, a notch for receiving said end of the plate, a seat being formed in the body of said handle, said seat intersecting said notch substantially at right angles and slideably accommodating a latch longitudinally movable along said seat from a disengagement position, in which it does not affect said notch, to an engagement position, in which it crosses said notch, a through hole being formed in said end of the plate, having an axis which is substantially perpendicular to the plane of arrangement of the plate and being arrangeable in
  • the device according to the present invention comprises a plate 2, to be embedded in a component 3 except for an end 4 which can be accommodated in a recess 5 appropriately formed in the component 3 and accessible from outside, and a lifting handle 6, insertable in the recess 5 and provided with engagement means coupleable to the end 4 of the plate 2.
  • the plate 2 is meant to be embedded in the component 3 during the manufacture of said component, and is placed so that it is arranged on a plane which is parallel to the lifting direction.
  • the plate 2 is placed at right angles to the two larger faces of the panel, proximate to one side of the panel in which the recess 5 is formed.
  • the plate 2 has an elongated shape and is preferably obtained by blanking from a steel sheet in a per se known manner.
  • the end 4 of the plate is wider than the remaining part of the plate body and blends with the remaining part by means of two inclined portions 7a and 7b.
  • the remaining part of the plate body has an intermediate neck 8 along its width and a series of slots 9 which are elongated in the direction of the longitudinal extension of the plate and anchor the plate within the component 3.
  • the slots 9 are filled by the concrete during the casting of the component and may also be crossed by reinforcement rods of the component.
  • the handle 6 is substantially constituted by a metal block in which the side meant to be inserted in the recess 5 is rounded so as to facilitate its insertion.
  • a notch 10, suitable to receive the end 4 of the plate 2, is formed in the portion of the handle 6 to be inserted in the recess 5.
  • a substantially cylindrical seat 11 is formed in the body of the handle 6, crosses the notch 10 at right angles and axially slideably accommodates a latch 12 which is also substantially cylindrical.
  • the latch 12 is movable longitudinally along the seat 11 to pass from a disengagement position, in which it is arranged outside the notch 10, to an engagement position, in which it crosses said notch 10 so as to engage a through hole 13 formed in the portion of the end 4 of the plate 2 to be inserted in the notch 10.
  • the through hole 13 has an axis substantially perpendicular to the plane of arrangement of the plate 2 and can be aligned with the seat 11 by inserting the end 4 of the plate 2 in the notch 10.
  • the side of the plate to be directed toward the bottom 14 of the notch 10 is provided with two end protrusions, respectively 15 and 16, and with at least one intermediate protrusion 17, all of which form a supporting surface for the bottom 14 of the notch 10 and are mutually separated by depressions 18 engageable by raised portions 19 protruding from the bottom 14 of the notch 10.
  • the particular shape of the end 4 of the plate 2 and of the bottom 14 of the notch 10 produces a coupling between the plate 2 and the handle 6 which limits relative movements between these two elements during lifting, so that the surface over which forces are exchanged between the handle and the plate, particularly during the first lifting step, is considerably larger than that of known lifting devices using a plate anchored in the component.
  • the extent of the local stresses to which the end 4 of the plate is subjected is modest, thus avoiding deformations of the plate which might cause cracks or breakages of the component and without requiring any oversizing of the thickness of the plate.
  • the ends of the protrusions 15, 16 and 17 are all arranged in a same plane which is substantially at right angles to the longitudinal extension of the plate, and the depressions 18 have a rounded bottom; the end of the raised portions 19 protruding from the bottom of the notch 10 of the handle 6 is also correspondingly rounded.
  • Figures 9 and 10 illustrate a different embodiment of the plate, now designated by the reference numeral 40, which, instead of providing for a fully planar extension of said plate, has, at the end of said plate which is opposite to the one which can engage the handle 6, a portion 41 which is folded so as to form a plane which is inclined with respect to the plane of arrangement of the remaining part of the plate 40.
  • the inclination angle of the portion 41 with respect to the remaining part of the plate is substantially 45 o .
  • the same reference numerals have been maintained for the other elements of the plate 40 which correspond to the elements of the plate shown in the preceding figures.
  • FIGs 11 and 12 illustrate another embodiment of the plate, now designated by the reference numeral 42, which has, starting from the end opposite to the end which can engage the handle 6, two portions 43 and 44 which are curved so as to form arcs with mutually opposite concavities.
  • the other elements of the plate which correspond to the elements already described and illustrated with reference to the plate shown in figures 1 to 8 have been designated by the same reference numerals.
  • the intermediate protrusion 17 protrudes with respect to the plane of arrangement of the two end protrusions 15 and 16.
  • the bottom 14 of the notch 10 of the handle is shaped correspondingly.
  • the portion of the handle 6 which remains outside the recess 5 is associated with a lifting ring 20 which, during the initial step of the lifting operation, is rotatable with respect to the handle 6 about an axis which is substantially parallel to the axis of the seat 11.
  • the latch 12 has, proximate to the end opposite to the end for insertion in the seat 11, an arm 21 which extends transversely to the axis of the seat 11 and is partially accommodated in a groove 22 formed in the body of the handle and connected to the seat 11.
  • the groove 22 has a first portion 23 extending on a plane passing through the axis of the seat 11, and a second portion 24, containing the arm 21 when the latch 12 is in an engagement position and extending on a plane which is substantially perpendicular to the axis of the seat 11, so as to allow a rotation of the arm 21, and thus of the latch 12, in said plate at right angles to the axis of the seat 11 so as to trace an arc which is delimited by the extension of the second portion 24 of the groove 22.
  • the rotation of the arm 21 in the portion 24 of the groove 22 causes the transfer of the latch 12 from a free position, in which the arm 21 is aligned with the first portion 23 of the groove 22 and thus allows axial sliding of the latch 12 along the seat 11, to an axial locking position, in which the arm 21 is angularly offset with respect to the first portion 23 within the second portion 24, so as to prevent axial sliding of the latch 12.
  • the lifting device according to the present invention is provided with first safety means which oppose the lifting of the handle if the latch 12 is shifted along the seat 11 with respect to the correct engagement position.
  • Said first safety means comprise an end portion 21a of the arm 21 which extends substantially parallel to the axis of the seat 11 beyond the region where the handle 6 is connected to the ring 20, so that the ring 20, during the initial lifting step, strikes the portion 21a if the latch 12 is not in the above described axial locking position. More particularly, when the latch 12 is in the axial locking position, or when the arm 21 is in the second portion 24 of the groove 22 and is angularly offset with respect to the first portion 23, the end portion 21a of the arm 21 is spaced from the ring 20 in the lifting direction, so that the ring 20 is rotatable with respect to the handle 6 without interfering with the end portion 21a.
  • the ring 20 strikes the end portion 21a, causing the partial rotation of the latch 12 so as to move said latch into the axial locking position.
  • the ring 20 strikes the end portion 21a without causing the rotation of the latch 12, which is prevented by the fact that the arm 21 is not at the second portion 24 of the groove 22. In this case, contact of the ring 20 against the portion 21a of the arm 21 is detected by the operators, who interrupt the lifting operations.
  • retention means constituted by a plate 25 fixed to the handle 6 and closing the end of the groove 22 which is directed outwards.
  • Said retention means comprise a ball 26 or another presser element which protrudes with an end portion from a passage 27 formed in one of the sides of the second portion 24 of the groove 22 in the position of the arm 21 corresponding to the axial locking position of the latch 12.
  • the ball 26 is pressed by a spring 28 accommodated in the passage 27 against a seat 29 which is shaped correspondingly and is formed on the side of the arm 21 directed toward the passage 27.
  • the engagement of the ball 26 in the seat 29 indicates, by means of a clicking noise which can be perceived by whoever actuates the latch 12, that said latch has reached the correct axial locking position.
  • the lifting device according to the present invention is provided with additional safety means acting on the latch 12 to move it or keep it in the axial locking position.
  • Said additional safety means are constituted by a flattened region 30 which affects an axial portion of the lateral surface of the latch 12, which is arranged at the notch 10 and is directed toward the bottom 14 of said notch 10 when the latch 12 is in the correct engagement and axial locking position.
  • the flattened region 30 is coupleable to a flat portion 13a of the profile of the through hole 13 which affects the portion of said hole directed toward the bottom 14 of the handle 6 which is coupled to the plate 2.
  • the coupling of the flattened region 30 with the flat portion 13a of the through hole 13 prevents the occurrence, during lifting, of rotations or translatory movements of the latch 12. Furthermore, if the latch 12 is slightly rotated with respect to the correct axial locking position when lifting begins, the coupling of the flattened region 30 with the flat portion 13a automatically causes a partial rotation of the latch 12 about the axis of the seat 11, moving it into the correct axial locking position.
  • the lifting device furthermore comprises a disposable box-like body 31 which can be fitted around the end 4 of the plate 2 prior to the manufacture of the component 3 so as to form the recess 5.
  • the box-like body 31 is fitted onto the plate 2 starting from the end which is opposite to the end 3 until its bottom engages the inclined portions 7a and 7b which blend the end 4 with the remaining part of the plate.
  • the handle 6 In order to lift a component 3 inside which the plate 2 has been arranged beforehand, as described, the handle 6 is inserted in the recess 5, after checking that the latch 12 is in a disengagement position, so that the end 4 of the plate 2 correctly enters the notch 10, moving the through hole 13 into alignment with the seat 11. At this point the latch 12 is pushed manually, by acting on the arm 21 which protrudes from the recess 5, along the seat 11 so as to move it into the position for engagement with the through hole 13 and is then rotated about its own axis, moving the arm 21 inside the second portion 24 of the groove 22, so as to cause its axial locking.
  • the latch 12 should accidentally rotate about its own axis prior to the beginning of the lifting operation, despite the retaining action performed by the ball 26 which engages the seat 29, the coupling of the flattened region 30 of the latch 12 with the flat portion 13a of the through hole 13, as well as the action of the ring 20 on the end portion 21a of the arm 21, returns the latch to the correct axial locking position.
  • the lifting device according to the present invention fully achieves the intended aim and objects since, by obtaining a better distribution of the forces exchanged between the lifting handle and the plate anchored in the component, it allows to use thinner plates while nonetheless avoiding excessive deformations of said plates as well as cracks or damage to the component.
  • a further advantage of the device according to the present invention is that it offers adequate safety against lifting in the absence of correct engagement between the plate and the handle.
  • the materials employed, as well as the dimensions, may be any according to the requirements and the state of the art.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Ladders (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Lock And Its Accessories (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP93107047A 1992-05-06 1993-04-30 Vorrichtung zum Heben von vorgefertigten Gegenständen, insbesondere aus Beton oder dergleichen Expired - Lifetime EP0568934B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI921086A IT1255140B (it) 1992-05-06 1992-05-06 Dispositivo per il sollevamento di manufatti prefabbricati, in particolare in calcestruzzo o simili.
ITMI921086 1992-05-06

Publications (4)

Publication Number Publication Date
EP0568934A2 true EP0568934A2 (de) 1993-11-10
EP0568934A3 EP0568934A3 (de) 1994-05-04
EP0568934B1 EP0568934B1 (de) 1997-09-24
EP0568934B2 EP0568934B2 (de) 2000-10-11

Family

ID=11363217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107047A Expired - Lifetime EP0568934B2 (de) 1992-05-06 1993-04-30 Vorrichtung zum Heben von vorgefertigten Gegenständen, insbesondere aus Beton oder dergleichen

Country Status (6)

Country Link
EP (1) EP0568934B2 (de)
AT (1) ATE158562T1 (de)
DE (1) DE69314084T3 (de)
ES (1) ES2109389T5 (de)
GR (2) GR3025584T3 (de)
IT (1) IT1255140B (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0678472A2 (de) * 1994-04-19 1995-10-25 LANCHEM S.p.A. Universalhaken zum Heben von Betonfertigteilen
US5596846A (en) * 1995-10-13 1997-01-28 The Burke Group Lifting anchor for embedment in concrete members
US5809703A (en) * 1997-01-15 1998-09-22 Mmi Products, Inc. Slotted insert with increased pull-out capacity
EP1126096A2 (de) 2000-02-18 2001-08-22 Sergio Zambelli Bewehrung mit verbesserter Bindung für vorgefertigte Betonplatten
EP1421975A1 (de) * 2002-11-25 2004-05-26 Canins, Karl-Heinz Fertigteil mit Befestigungselement
WO2004074584A2 (en) * 2003-02-19 2004-09-02 Universal Form Clamp Co., Inc. Passthrough concrete anchor
WO2005077129A2 (en) * 2004-02-11 2005-08-25 Universal Form Clamp Co., Inc. Passthrough concrete anchor
EP1603824A1 (de) * 2003-02-21 2005-12-14 ITW Ramset Australia Pty Ltd Plattenhebersperre
US7032354B2 (en) 2001-12-19 2006-04-25 Universal Form Clamp Co., Inc. Sandwich erection lift anchor with welding plate assembly
US7065925B2 (en) 2004-02-11 2006-06-27 Universal Form Clamp Of Chicago, Inc. Concrete anchor
US7137609B2 (en) * 2003-01-09 2006-11-21 Pennsylvania Insert Corp. Pulling iron pocket, lid and shield
WO2017064374A1 (fr) * 2015-10-14 2017-04-20 Marcel Arteon Ancre dynamique de levage d'un élément de construction, avec moyens de maintien fixe d'une noix d'anneau de manutention
US20190292800A1 (en) * 2018-03-20 2019-09-26 Meadow Burke, Llc Anchor and clutch assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2303457B1 (es) * 2006-12-01 2009-08-03 Habidite, S.A. Sistema constructivo.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704435A1 (de) † 1977-02-03 1978-08-10 Fricker Frimeda Metall Draht Aufstell- und transportanker fuer betonfertigteile
US4627198A (en) * 1984-09-17 1986-12-09 The Burke Company Hoisting anchor assembly for use in cast concrete panels and method
WO1987000823A1 (en) * 1985-08-07 1987-02-12 Richmond Screw Anchor Co. Hoist coupling
FR2586442A1 (fr) * 1985-08-22 1987-02-27 Arteon Sa Dispositif de securite de levage et de maintien, notamment pour panneaux de beton arme
DE3733703A1 (de) † 1987-10-06 1989-04-27 Siegfried Fricker Aussparungskoerper
US4930269A (en) * 1989-03-22 1990-06-05 The Burke Company Apparatus and method for lifting tilt-up wall constructions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704435A1 (de) † 1977-02-03 1978-08-10 Fricker Frimeda Metall Draht Aufstell- und transportanker fuer betonfertigteile
US4627198A (en) * 1984-09-17 1986-12-09 The Burke Company Hoisting anchor assembly for use in cast concrete panels and method
WO1987000823A1 (en) * 1985-08-07 1987-02-12 Richmond Screw Anchor Co. Hoist coupling
FR2586442A1 (fr) * 1985-08-22 1987-02-27 Arteon Sa Dispositif de securite de levage et de maintien, notamment pour panneaux de beton arme
DE3733703A1 (de) † 1987-10-06 1989-04-27 Siegfried Fricker Aussparungskoerper
US4930269A (en) * 1989-03-22 1990-06-05 The Burke Company Apparatus and method for lifting tilt-up wall constructions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Frimeda Ringtransportankersystem" Vol. 3/77, 8/77 in combination with sworn statement by Mrs Doris Falz as the availability to the public of vol. 3/77 †
"Verankerungen zum transport von Betonfertigteilen" in the publication : Beton+Fertigteile-Technik vol. 12/1976, p. 633-634 †

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0678472A2 (de) * 1994-04-19 1995-10-25 LANCHEM S.p.A. Universalhaken zum Heben von Betonfertigteilen
EP0678472A3 (de) * 1994-04-19 1995-12-13 Lanchem Spa Universalhaken zum Heben von Betonfertigteilen.
US5596846A (en) * 1995-10-13 1997-01-28 The Burke Group Lifting anchor for embedment in concrete members
EP0854960A1 (de) * 1995-10-13 1998-07-29 MMI Products, Inc. Hubanker zum einbetten in betonteilen
EP0854960A4 (de) * 1995-10-13 1998-12-30 Mmi Products Inc Hubanker zum einbetten in betonteilen
US5809703A (en) * 1997-01-15 1998-09-22 Mmi Products, Inc. Slotted insert with increased pull-out capacity
EP1126096A2 (de) 2000-02-18 2001-08-22 Sergio Zambelli Bewehrung mit verbesserter Bindung für vorgefertigte Betonplatten
US7032354B2 (en) 2001-12-19 2006-04-25 Universal Form Clamp Co., Inc. Sandwich erection lift anchor with welding plate assembly
EP1421975A1 (de) * 2002-11-25 2004-05-26 Canins, Karl-Heinz Fertigteil mit Befestigungselement
US7137609B2 (en) * 2003-01-09 2006-11-21 Pennsylvania Insert Corp. Pulling iron pocket, lid and shield
WO2004074584A2 (en) * 2003-02-19 2004-09-02 Universal Form Clamp Co., Inc. Passthrough concrete anchor
WO2004074584A3 (en) * 2003-02-19 2004-12-02 Universal Form Clamp Co Inc Passthrough concrete anchor
US7111432B2 (en) 2003-02-19 2006-09-26 Universal Form Clamp Of Chicago, Inc. Passthrough concrete anchor
AU2004213065B2 (en) * 2003-02-21 2009-12-03 Itw Ramset Australia Pty Ltd Panel lifter lock
EP1603824A1 (de) * 2003-02-21 2005-12-14 ITW Ramset Australia Pty Ltd Plattenhebersperre
EP1603824A4 (de) * 2003-02-21 2007-01-17 Itw Ramset Australia Pty Ltd Plattenhebersperre
US7065925B2 (en) 2004-02-11 2006-06-27 Universal Form Clamp Of Chicago, Inc. Concrete anchor
WO2005077129A3 (en) * 2004-02-11 2006-01-26 Universal Form Clamp Co Inc Passthrough concrete anchor
WO2005077129A2 (en) * 2004-02-11 2005-08-25 Universal Form Clamp Co., Inc. Passthrough concrete anchor
WO2017064374A1 (fr) * 2015-10-14 2017-04-20 Marcel Arteon Ancre dynamique de levage d'un élément de construction, avec moyens de maintien fixe d'une noix d'anneau de manutention
FR3042522A1 (fr) * 2015-10-14 2017-04-21 Marcel Arteon Ancre dynamique de levage d'un element de construction, avec moyens de maintien fixe d'une noix d'anneau de manutention
US20190292800A1 (en) * 2018-03-20 2019-09-26 Meadow Burke, Llc Anchor and clutch assembly
US10968645B2 (en) * 2018-03-20 2021-04-06 Meadow Burke, Llc Anchor and clutch assembly
US11555316B2 (en) 2018-03-20 2023-01-17 Meadow Burke, Llc Anchor and clutch assembly

Also Published As

Publication number Publication date
DE69314084T3 (de) 2001-05-23
ATE158562T1 (de) 1997-10-15
GR3025584T3 (en) 1998-03-31
EP0568934B1 (de) 1997-09-24
GR3035030T3 (en) 2001-03-30
ES2109389T3 (es) 1998-01-16
ES2109389T5 (es) 2001-02-16
DE69314084D1 (de) 1997-10-30
ITMI921086A0 (it) 1992-05-06
IT1255140B (it) 1995-10-20
EP0568934B2 (de) 2000-10-11
EP0568934A3 (de) 1994-05-04
ITMI921086A1 (it) 1993-11-06
DE69314084T2 (de) 1998-02-19

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