Patent ID: 11939769
Assignee: T. J. HARRIS COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. An apparatus for supporting reinforcement bars in a concrete structure, the apparatus comprising:
a base having a lower surface, an opposing upper surface, and a central opening;
a first pair of opposing first legs extending upwardly from the upper surface of the base, each of the first legs of the first pair having a lower end connected to the base and an upper end distally disposed from the lower end;
a second pair of opposing first legs extending upwardly from the upper surface of the base, each of the first legs of the second pair having a lower end connected to the base and an upper end distally disposed from the lower end;
a first base support member connected to the base and spanning the central opening, the first base support member disposed between the first and second pairs of opposing first legs, the first base support member having a lower surface and an opposing upper surface;
a first pair of second legs extending upwardly from the upper surface of the first base support member, each of the second legs of the first pair having a lower end connected to the first base support member and an upper end distally disposed from the lower end;
a first cradle attached to the upper ends of the first pair of opposing first legs and to the upper end of one of the second legs, the first cradle for receiving and holding a first reinforcement bar; and
a second cradle attached to the upper ends of the second pair of opposing first legs and to the upper end of one of the second legs, the second cradle for receiving and holding a second reinforcement bar substantially in parallel with the first reinforcement bar.