초록

A chair for supporting and spacing reinforcement bars having a hollow-conical body for stackability, a planar base for support, an aperture allowing concrete to flow into and around the chair, and notches in the upper surface of the chair to retain the bars in the desired position.

대표청구항 ▼

[ What is claimed is:] [1.] A chair for supporting and spacing reinforcement members, comprising:a substantially hollow-conical body having a longitudinal axis, a continuous wall portion defining an upper opening, a lower end, an inner surface, an outer surface, and a support portion disposed betwee

[ What is claimed is:] [1.] A chair for supporting and spacing reinforcement members, comprising:a substantially hollow-conical body having a longitudinal axis, a continuous wall portion defining an upper opening, a lower end, an inner surface, an outer surface, and a support portion disposed between said continuous wall portion and said lower end, said support portion defining a side aperture, said support portion having an inner and an outer surface having substantially the same slope;at least one notch in said continuous wail portion; andat least one foot portion connected to said body at said lower end, said at least one foot portion defining at least a portion of a lower opening which is larger than said upper opening, said foot portion extending outwardly from said longitudinal axis.