Patent ID: 7108453

Claim:
An apparatus for supporting at least first and second reinforcement bars in a concrete structure, the apparatus comprising: a base member having a lower surface and an opposing upper surface; a first leg members extending upward from the upper surface of the base member, the first leg members having a lower end connected to the base member and an upper end distally disposed from the lower end; a second leg member extending upward from the upper surface of the base member, the second leg member having a lower end connected to the base member and an upper end distally disposed from the lower end; at least a first cradle attached to the upper end of the first leg member, the first cradle for holding the first reinforcement bar only; and at least a second cradle attached to the upper end of the second leg members, the second cradle for holding the second reinforcement bars only, wherein the second reinforcement bar is held in a position substantially parallel to the first reinforcement bars held in the first cradles.