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

Claim 17:
18. The apparatus of claim 12 further comprising:
a third of pair of opposing first legs extending upwardly from the upper surface of the base, each of the first legs of the third pair having:
a lower portion connected to the base;
an upper portion disposed distally from the lower portion; and
a third shoulder extending horizontally form either side of the upper portion;

a second base support member connected to the base and spanning the central opening, the second base support member disposed between the second and third pairs of opposing first legs, the second base support member and having a lower surface and an opposing upper surface;
a second pair of second legs extending upwardly from the upper surface of the second base support member, each of the second legs of the second pair having:
a lower portion connected to the first base support member;
an upper portion disposed distally from the lower portion; and
a second neck member extending horizontally from the upper portion,

wherein one of the second neck members of the second pair of second legs is attached to the second cradle; and
a third cradle forming a third channel for receiving and holding a third reinforcement bar, the third cradle comprising:
a fifth pair of opposing sidewalls connected to the third shoulder of a first one of the first legs of the third pair, the third channel being disposed between the fifth pair of opposing sidewalls;
a sixth pair of opposing sidewalls connected to the third shoulder of a second of the first legs of the third pair, the third channel being disposed between the sixth pair of opposing sidewalls; and
a third central bar-support member connecting the fifth pair of opposing sidewalls to the sixth pair of opposing sidewalls, the third central bar-support member being connected to one of the second neck members of one of the second legs.