Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Spacer-positioner; e.g. – rebar chair
Patent
1983-04-07
1986-05-20
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Spacer-positioner; e.g., rebar chair
52686, 52719, 403399, E04C 516
Patent
active
045892440
ABSTRACT:
A spacer for reinforcement mats in a framework has a spacer bar to which there is fastened at least one double-leg clamp the legs of which define an edge-open opening of substantially U shape which is adapted to the cross-sectional dimensions of a bar of a reinforcement mat, the opening having associated with it a spring barrier which closes the opening and holds the clamp in non-detachable manner on the bar of the reinforcement mat.
In order to design the spacer for larger stresses while still assuring simple possibilities of manufacture the clamp (3) is developed in the form of a flat plate (5) which is fastened in the region of the bottom of the U-shaped opening (6) to the spacer bar (1) and the barrier is formed by a spring element (11, 11a, 11b, 11c) which is anchored to one leg (7, 8), extends into the opening (6) and can elastically be moved away laterally towards the leg.
REFERENCES:
patent: 3916593 (1975-11-01), Skold
Farber Martin A.
Friedman Carl D.
Slack Naoko N.
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