Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Patent
1989-04-24
1990-05-29
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
52686, 52687, E04C 516
Patent
active
049284720
ABSTRACT:
A chair for concrete reinforcing rods includes a body having an intermediate portion which includes two spaced apart substantially rectangular planar transverse frame members interconnected by at least one pairs of substantially parallel first connecting members. Four parallel legs extend outwardly from each transverse frame adjacent to four corners of the frame. The legs from one of the frames are aligned with the legs from the other frame so that the legs lie in two pairs of parallel plane. The frame, legs, and the connecting members confine a plurality of channel-like support seats of different diemensions for locating reinforcement rods at different heights and spacings.
REFERENCES:
patent: 4060954 (1977-12-01), Liuzza
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