Static structures (e.g. – buildings) – Assembled in situ-type anchor or tie – Sheet or wire tie
Patent
1998-08-19
1999-04-27
Safavi, Michael
Static structures (e.g., buildings)
Assembled in situ-type anchor or tie
Sheet or wire tie
52719, 403391, 404134, E04C 516
Patent
active
058967222
ABSTRACT:
A weldless spacer for manually connecting without a tool two reinforcement cage wires or re-bars of a concrete reinforcing structure in spaced-apart relation is a unitary resilient wire member that has an elongated spanning portion that extends between the reinforcement wires, a hook end portion at one end of the spanning portion, and a fastening end portion at the other end of the spanning portion. The hook end portion includes a detent part and a V-hook part, which are joined by a spacer loop part and capture one of the reinforcement wires. The fastening end portion includes a detent part and a J-hook part, which are joined by a spacer loop part and capture the other reinforcement wire. One or both of the spacer loops are sized to space the reinforcement wire(s) at a desired distance(s) from the adjacent concrete form wall(s) for sufficient concrete cover.
REFERENCES:
patent: 517484 (1894-04-01), Ruckman et al.
patent: 1084389 (1914-01-01), Blackmore
patent: 1621184 (1927-03-01), White
patent: 1750106 (1930-03-01), Heltzel
patent: 1830888 (1931-11-01), Ribb
patent: 2843230 (1958-07-01), Nelsson
patent: 3257767 (1966-06-01), Lassy
patent: 3356399 (1967-12-01), Young
patent: 3722164 (1973-03-01), Schmiogall
patent: 4999965 (1991-03-01), Schmidgall et al.
patent: 5181363 (1993-01-01), Leach et al.
patent: 5832690 (1998-11-01), Kaines
Catalog for Spacers and Reinforcement Accessories for Concrete Products, Hawkeye Group, Mediapolis, Iowa, circa 1994.
Catalog page for "Stirrup Spacers"--Eastern States Steel Corporation (admitted prior art).
Catalog page for "Box Section Spacers"--Eastern States Steel Corporation (admitted prior art).
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