Back assembly for wire rod office furniture stacking chair

Abstract

A wire rod type stacking office furniture chair comprising, including a separate chair seat and back for same, a pair of endless rodding members each defining along the left and right sides of a chair a lower quadrilaterally contoured base frame having lower floor engaging runners that may be glide equipped and upper runners above the chair lower runners that support the chair seat between them, with the rodding members adjacent the rear of the chair each defining a similar vertically oriented upright, chair shoulder forming loop, between which shoulders the chair back is supported; the chair back comprises an assembly including a mounting pan fixed between the chair right and left side shoulder forming loops, an inner opaque back member, and an outer opaque back member, with such back members being secured together in opposed relation on either side of the mounting pan and in encapsulating relation to such pan, by interfitting devices that are also concealed, and with the chair seat also comprising an assembly including an opaque mounting seat pan, defining an upwardly facing seat surface and an underside facing downwardly, and a bracket plate fixed to each of the rodding member upper runners; the seat pan and bracket plates are arranged to provide interfitting devices similar to those employed in connection with the seat back, for anchoring these chair components to the chair frame by, in the case of the chair back, movement of the back inner and outer members relative to the back mounting pan, and in the case of the chair seat, movement of the seat pan relative to the chair bracket plates.