US3387423A - Reinforcement spacer for the support of reinforcing bars in molding forms for concrete - Google Patents

Reinforcement spacer for the support of reinforcing bars in molding forms for concrete Download PDF

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Publication number
US3387423A
US3387423A US580299A US58029966A US3387423A US 3387423 A US3387423 A US 3387423A US 580299 A US580299 A US 580299A US 58029966 A US58029966 A US 58029966A US 3387423 A US3387423 A US 3387423A
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US
United States
Prior art keywords
spacer
reinforcement
reinforcing bars
plate
concrete
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.)
Expired - Lifetime
Application number
US580299A
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English (en)
Inventor
Andersen Olav Andreas
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3387423A publication Critical patent/US3387423A/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires

Definitions

  • a spacer for reinforcing bars in concrete comprises a quadrilateral plate interconnecting four parallel posts.
  • the plate is closer to one end of the posts than to the other and the edges of the plate are curved inwardly so that the spacer will rest on each of four sides on the sides of two adjacent posts and on the other two sides on the ends of the posts, the spacer providing four different heights and/or widths of recesses within which reinforcing bars may be cradled.
  • the present invention relates to a reinforcement spacer particularly adapted for the support of reinforcing bars in forms for molding concrete. It is to be understood, however, that the invention may be used in the molding of other masses having little tensile strength and thus requiring reinforcement.
  • the reinforcing bars for the various types of concrete construction are necessarily of different thicknesses, however, and the spacing of the bars with respect to the outer surface of the finished concrete construction may vary, all in accordance with the type of construction.
  • Those binding the bars have had to use different reinforcement spacers for the various dimensions of bars and spacing in the form, and this entails the necessity of different types of reinforcement spacers at the same building site so that the binder may use the spacer most suitable to the construction he is presently engaged in. As may be readily understood, this leads to time waste and unnecessary labour for the bar binders.
  • the object of the present invention therefore, is to provide a reinforcement spacer which may be used in various constructions, and for the different thicknesses of the reinforcing bars.
  • the bar binder can, with the same reinforcement spacer, support the bars at various heights from the molding form, and support also with the same spacer, various thicknesses of reinforcing bars.
  • a further object of the invention is to provide a reinforcement spacer which may be readily secured to the reinforcing bar, so that the spacer accompanies the bar on being moved, and to prevent the spacer from falling off, in the event the bars are moved somewhat from the wall of the form.
  • the spacer is of such design that a plurality of support surfaces for the reinforcing bars are for-med, the said surfaces having different spaced relationship to the opposing external limiting surfaces of the reinforcement spacer which bear against the concrete form.
  • the bar binder may select the spacing desired in the particular case, from the bar down to the form.
  • the reinforcement spacer By turning the reinforcement spacer, he may also obtain a bearing surface which fits the dimension of bar with which he is working at the time.
  • the reinforcement spacer is formed of four posts secured at each corner of a plate-shaped body disposed so that the free ends of the posts project from the plate on either side.
  • the plate shaped body is preferably not square, so that the distances between the posts are different.
  • 10-12 mm. bars for instance, may be clamped between the posts if the longest axis of the rectangular plate is disposed longitudinally of the bar, and 16 mm. bars may for instance be clamped between the posts if the spacer is turned to the first said direction.
  • the spacer may obviously :be dimensioned according to the standard of reinforcement at the actual construction location.
  • the invention thus concerns a reinforcement spacer for the support of reinforcing bars in molding forms for concrete, of the type having alternative support surfaces for the reinforcing bars, the said surfaces being of unequal spacing with respect to the opposing external limiting surfaces of the reinforcement spacer, and it is substantially characterized in that it comprises four legs or posts connected to one another by means of a plate, the plate being located more closely adjacent the one end of the legs than the other.
  • a further characterizing feature of the reinforcement spacer is that the plate is quadrilateral, one pair of opposing sides being longer than the second pair. It is also characteristic that the side surfaces of the plate are curved inwardly toward the centre of the plate.
  • FIG. 1 shows the reinforcement spacer in perspective and FIG. 2, FIG. 3, FIG. 4, FIG. 5 and FIG. 6 show the reinforcement spacer in various operational positions.
  • the posts 1, 2, 3 and 4 which form the external limits of the spacer and which are adapted to bear against the molding form, are secured to the corners of a plate shaped body 5 having curved edge portions 6, 7, 8 and 9.
  • An opening 10 is located in the centre of the plate 5 to allow the spacer to be readily nailed to the wooden forms.
  • the plate 5 is disposed asymmetrically with respect to the posts, so that the free ends of the posts are of different lengths on the different sides of the plate.
  • a distance a from the form up to the lowest reinforcing bar which is longer than the distance b in the following example.
  • the reinforcement spacer is turned so that the two posts 3 and 4 rest against the base surface and the lowest reinforcing bar is supported by the curved bearing surface on the side 5 of the plate shaped body.
  • the way in which the reinforcement spacer is shaped here allows a distance 0 from the base surface which is the maximum distance obtainable by means of this reinforcement spacer.
  • the reinforcement spacer is used in positions where reinforcing bars of two different dimensions are clamped between the posts, the reinforcement spacer being used with the narrow opening between the posts for the thin bars, the wider opening between the posts being used for the thicker bars.
  • a reinforcement spacer for supporting reinforcing bars in molding forms for concrete comprising four legs, a quadrilateral plate interconnecting the four legs and being more closely adjacent one end of the legs than the other end of the legs, one pair of opposite edges of the plate being longer than the other pair of opposite edges of the plate, the legs being substantially straight and parallel to each other, the outer portions of the legs being dis posed farther outwardly than any portions of the plate so that the spacer has a stable rest position on four of its sides on the sides of an adjacent pair of legs and stable rest positions on its other two sides on the ends of the legs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
US580299A 1965-09-24 1966-09-19 Reinforcement spacer for the support of reinforcing bars in molding forms for concrete Expired - Lifetime US3387423A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE12390/65A SE310412B (sk) 1965-09-24 1965-09-24

Publications (1)

Publication Number Publication Date
US3387423A true US3387423A (en) 1968-06-11

Family

ID=20295667

Family Applications (1)

Application Number Title Priority Date Filing Date
US580299A Expired - Lifetime US3387423A (en) 1965-09-24 1966-09-19 Reinforcement spacer for the support of reinforcing bars in molding forms for concrete

Country Status (7)

Country Link
US (1) US3387423A (sk)
BE (1) BE687338A (sk)
DE (1) DE6601470U (sk)
GB (1) GB1119099A (sk)
MY (1) MY7000049A (sk)
NL (1) NL6613449A (sk)
SE (1) SE310412B (sk)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060954A (en) * 1972-11-03 1977-12-06 Liuzza James J Bar chair for reinforcing rods
US4498270A (en) * 1982-04-12 1985-02-12 Preco Industries Limited Support for positioning reinforcing rods or mesh in concrete or the like
US4655023A (en) * 1985-01-23 1987-04-07 Yung Fernand P Spacer for construction use
US5323582A (en) * 1991-12-19 1994-06-28 Watson Paul B Concrete reinforcement bar support member
WO1996000825A1 (en) * 1994-06-30 1996-01-11 Henning Baltzer Rasmussen Spacing member
US20050102951A1 (en) * 2003-11-14 2005-05-19 Aztec Concrete Accessories, Inc. Multi-level post tension cable support chair and method of use
US20100281815A1 (en) * 2007-07-13 2010-11-11 Juan Jose Martin Hernandez Device for laying floating flagstones and installation system thereof
US20120210656A1 (en) * 2007-07-13 2012-08-23 Juan Jose Martin Hernandez Holder for Being Positioned in Floating Floor Slabs and Installation System Thereof
JP2014111860A (ja) * 2012-12-05 2014-06-19 Japan Life Kk 突起付きスペーサー
US10246878B2 (en) * 2015-07-08 2019-04-02 Innovativ Plast I Vaest Ab Stackable wall spacer for supporting reinforcement in concrete constructions
US11441286B2 (en) * 2019-03-16 2022-09-13 Oscar Sotelo Chair for supporting reinforcing elements
US11486516B2 (en) * 2018-02-28 2022-11-01 Earth Tek Construction Inc. Concrete pump hose support

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668797A5 (en) * 1985-02-21 1989-01-31 Walter Egger Shuttering member for floor slabs - has plate on shank orthogonal to floor slab, forming front shuttering

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1674476A (en) * 1926-04-26 1928-06-19 William E Mathews Chair for supporting and spacing concrete beam and slab reenforcing steel
US1911957A (en) * 1932-03-02 1933-05-30 Kassmir Jacob Spacer for reenforcement rods
DE1126113B (de) * 1956-10-02 1962-03-22 Seifert Geb Abstandhalter fuer Betonbewehrungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1674476A (en) * 1926-04-26 1928-06-19 William E Mathews Chair for supporting and spacing concrete beam and slab reenforcing steel
US1911957A (en) * 1932-03-02 1933-05-30 Kassmir Jacob Spacer for reenforcement rods
DE1126113B (de) * 1956-10-02 1962-03-22 Seifert Geb Abstandhalter fuer Betonbewehrungen

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060954A (en) * 1972-11-03 1977-12-06 Liuzza James J Bar chair for reinforcing rods
US4498270A (en) * 1982-04-12 1985-02-12 Preco Industries Limited Support for positioning reinforcing rods or mesh in concrete or the like
US4655023A (en) * 1985-01-23 1987-04-07 Yung Fernand P Spacer for construction use
US5323582A (en) * 1991-12-19 1994-06-28 Watson Paul B Concrete reinforcement bar support member
WO1996000825A1 (en) * 1994-06-30 1996-01-11 Henning Baltzer Rasmussen Spacing member
US5822946A (en) * 1994-06-30 1998-10-20 Rasmussen; Henning Baltzer Spacing member
US20050102951A1 (en) * 2003-11-14 2005-05-19 Aztec Concrete Accessories, Inc. Multi-level post tension cable support chair and method of use
US7497059B2 (en) 2003-11-14 2009-03-03 Dayton Superior Corporation Multi-level post tension cable support chair and method of use
US20100281815A1 (en) * 2007-07-13 2010-11-11 Juan Jose Martin Hernandez Device for laying floating flagstones and installation system thereof
US20120210656A1 (en) * 2007-07-13 2012-08-23 Juan Jose Martin Hernandez Holder for Being Positioned in Floating Floor Slabs and Installation System Thereof
US8505267B2 (en) * 2007-07-13 2013-08-13 Juan Jose Martin Hernandez Holder for being positioned in floating floor slabs and installation system thereof
JP2014111860A (ja) * 2012-12-05 2014-06-19 Japan Life Kk 突起付きスペーサー
US10246878B2 (en) * 2015-07-08 2019-04-02 Innovativ Plast I Vaest Ab Stackable wall spacer for supporting reinforcement in concrete constructions
US11486516B2 (en) * 2018-02-28 2022-11-01 Earth Tek Construction Inc. Concrete pump hose support
US12049972B2 (en) 2018-02-28 2024-07-30 Cy Richard KACKSTETTER Concrete pump hose support
US11441286B2 (en) * 2019-03-16 2022-09-13 Oscar Sotelo Chair for supporting reinforcing elements

Also Published As

Publication number Publication date
SE310412B (sk) 1969-04-28
DE6601470U (de) 1969-03-20
MY7000049A (en) 1970-12-31
NL6613449A (sk) 1967-03-28
BE687338A (sk) 1967-03-01
GB1119099A (en) 1968-07-10

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