Wire rebar chair
First Claim
Patent Images
1. A unitary wire chair for supporting concrete reinforcing rebar or the like above a supporting surface while concrete is poured onto that supporting surface, which chair comprises:
- at least three parallel cross bars connected by two connecting bars, a central one of said three parallel cross bars being adapted to be received atop a rebar and the other two parallel cross bars being adapted to be received on the underside of said rebar; and
riser bars extending downwardly away from an end of each of said other two parallel cross bars.
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Abstract
A unitary wire chair is disclosed for supporting concrete reinforcing rebar or the like above a supporting surface onto which concrete is poured. The unitary wire chair is so constructed such that it may be snapped or otherwise secured onto the rebar or other concrete reinforcing element and retained thereon without the use of any tie wire or other attachment devices.
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Citations
29 Claims
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1. A unitary wire chair for supporting concrete reinforcing rebar or the like above a supporting surface while concrete is poured onto that supporting surface, which chair comprises:
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at least three parallel cross bars connected by two connecting bars, a central one of said three parallel cross bars being adapted to be received atop a rebar and the other two parallel cross bars being adapted to be received on the underside of said rebar; and
riser bars extending downwardly away from an end of each of said other two parallel cross bars. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A unitary wire chair for supporting a concrete reinforcement element above a supporting surface while concrete is poured onto that supporting surface, which chair comprises:
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at least three parallel cross bars connected by two connecting bars, a central one of said three parallel cross bars being adapted to be received atop a reinforcement element and the other two parallel cross bars being adapted to be received on the underside of said reinforcement element; and
riser bars extending downwardly away from an end of each of said other two parallel cross bars. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A unitary wire chair for supporting a concrete reinforcing element above a supporting surface, which chair comprises:
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at least three parallel cross bars connected by at least two connecting bars, at least one of said parallel cross bars being adapted to be received atop a reinforcing element and at least two parallel cross bars being adapted to be received on the underside of said reinforcing element; and
riser bars extending downwardly away from an end of at least two of said parallel cross bars. - View Dependent Claims (16, 17)
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18. A unitary wire chair for supporting concrete reinforcing element above a supporting surface while concrete is poured onto that supporting surface, which chair comprises:
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at least three parallel cross bars connected by two connecting bars, a central one of said three parallel cross bars being adapted to be received atop a concrete reinforcing element and the other two of said three parallel cross bars being adapted to be received on the underside of said concrete reinforcing element, said two connecting bars being connected to opposite ends of said central one of said three parallel cross bars; and
a pair of riser bars extending downwardly away from an end of each of said other two parallel cross bars. - View Dependent Claims (19)
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20. A unitary wire chair for supporting concrete reinforcing rebar or the like above a supporting surface while concrete is poured onto that supporting surface, which chair comprises:
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at least three parallel cross bars connected by two connecting bars, said two connecting bars being connected to opposite ends of a central one of said three parallel cross bars; and
a riser bar extending downwardly away from an end of each of said other two parallel cross bars. - View Dependent Claims (21, 22, 23)
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24. A unitary wire chair for supporting concrete reinforcing rebar or the like above a supporting surface, which chair comprises:
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a central section of said wire having generally U-shaped loops formed at its opposite ends, each of said loops terminating in a generally vertically extending riser bar; and
a supporting foot formed on an end of each riser bar. - View Dependent Claims (25, 26)
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27. A unitary wire chair for supporting concrete reinforcing rebar or the like above a supporting surface, which chair comprises:
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a lower central foot supporting section;
riser bars extending upwardly from said lower central foot section;
generally U-shaped loops formed on the upper ends of each of said riser bars, said loops being adapted to be snap-fit onto a rebar or other type of concrete reinforcing wire or rod.
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- 28. A unitary wire chair for supporting concrete reinforcing rebar or the like, said chair being formed from a single length of wire having at least one portion of the wire so configured that it may be snap-fit onto a rebar or the like and retained thereon without any other attachment device.
Specification