Chair Base

1. Chair base

1 . 1 : Perspective

1 . 2 : Perspective

1 . 3 : Front

1 . 4 : Back

1 . 5 : Left

1 . 6 : Right

1 . 7 : Top

1 . 8 : Bottom

1 . 9 : Perspective view shown in a position of use

The parts shown by means of broken lines in the reproductions are not part of the claimed design; the broken lines in fig. 9 depict environmental structure of the chair base that form no part of the claimed design.