Concrete reinforcement support chair
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United States of America Patent
Stats
-
Jan 18, 2011
Grant Date -
Jul 31, 2008
app pub date -
Jan 29, 2008
filing date -
Jan 29, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus (“chair”) for supporting one or more reinforcement bars or post-tension cables (“bars/cables”) in a concrete structure includes a base member having a centered opening, a pair of opposing first leg members extending upward from the base member at a first angle, a pair of opposing second leg members extending upward from the base member at a second angle, and a strap-shaped locking cradle. The strap-shaped locking cradle includes an arc-shaped receiving portion attached to the first and second leg members, a flexible portion suitable for wrapping over the bars/cables and a fastener to affix the flexible portion to the arc-shaped receiving portion or one of the first leg members such that transverse and vertical movement of the bars/cables is limited and longitudinal movement of the bars/cables is allowed.
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