Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Patent
1995-01-12
1996-09-17
Safavi, Michael
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
52679, 52687, 404135, E04C 520
Patent
active
055556930
ABSTRACT:
A chair for use in construction including a receiving area and a plurality of legs extending downwardly from the receiving area. Each of the plurality of legs has a foot extending horizontally outwardly therefrom. The foot of one of the legs is separate from the foot of an adjacent leg. The receiving area and the plurality of legs are integrally formed together of a polymeric material. The receiving area has a generally parabolic indentation. A first pair of the plurality of legs extends in a plane transverse to a second pair of the legs. Each of the feet has a planar bottom surface with a projection extending downwardly therefrom. A projection is integrally formed with the feet.
REFERENCES:
patent: D334133 (1993-03-01), Hartsheim
patent: 1592681 (1926-07-01), Grothe
patent: 4000591 (1977-01-01), Courtois
patent: 4483119 (1984-11-01), Hernandez
patent: 4682461 (1987-07-01), Sizemore
patent: 4756641 (1988-07-01), Hartzheim
AZTEC Concrete Accessories Catalog, 1994.
Meadow Steel Products Price List, 1994, pp. 1-7.
MEDCO "Plastic Accessories Catalog" 1991 pp. 1-5.
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