Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Patent
1979-02-14
1981-02-24
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
52684, E04C 516
Patent
active
042519713
ABSTRACT:
Pointed novel stakes which may be of metal or plastic, adapted to be driven in alignment into the ground or bed upon which a concrete slab is to be poured, are provided with lever arms engaging a lifting wire or rod upon which reinforcing material, such as welded wire mesh is supported. The upper ends of the lever arms are adapted to be moved through an arc of about 45 degrees to a vertical position, and serve to raise the reinforcing material to a predetermined position above the bed of the slab when the lifting wires or rods are moved in a lateral direction.
REFERENCES:
patent: 3520101 (1970-07-01), Casto
patent: 3572001 (1971-03-01), Munchinsky
Friedman Carl D.
Merchant John H.
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