Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Patent
1986-03-31
1987-07-28
Raduazo, Henry E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
52677, E04C 516
Patent
active
046824618
ABSTRACT:
A chair support for a concrete reinforcing bar is formed from smaller and larger molded plastic elements each in the form of a letter A with diverging legs, and upper cross member, and a lower cross member. The smaller element fits through the opening of the larger element and locks in place perpendicularly to the larger element by interengaging notches in the respective cross members.
REFERENCES:
patent: 2275105 (1942-03-01), Greulich
patent: 4085559 (1978-04-01), Ilukowicz
patent: 4483119 (1984-11-01), Hernandez
Jacobson Harvey B.
O#Brien Clarence A.
Raduazo Henry E.
Sizemore Charles P.
Sizemore Winston C.
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