US Patent 7461491 Intersectional reinforcing bar support having securing cap

A concrete reinforcing bar support has a base, a support structure extending upwardly from the base and a having a channel formed in an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel and second clamping structure affixed to the support structure on an opposite side of the channel. Each of the first and second clamping structures includes a first C-shaped member and a second C-shaped member extending flexibly upwardly from the support structure and facing in opposite directions. A cap is slidably affixed over these C-shaped members and the channel.