Coupled chair unit convertible to a chair mode and to a desk mode

Abstract

A coupled chair unit for conversion to a desk mode of use and to a chair mode of use comprises a plurality of legs, a beam member bridged over the legs, a plurality of armrests fixed on the beam member in a longitudinal direction of the beam member, a plurality of support posts uprightly fixed on the beam member and having first and second support portions provided in the upper and lower positions, respectively, a plurality of chair seats tiltably supported between the adjacent armrests, a plurality of chair backrests including upper and lower backrest segments, movable and fixed, which are situated above the respective chair seats, an upper backrest segment-equipped table panel which is held erect behind the support post and chair backrest in an ordinary chair mode of use and a link mechanism converting the coupled chair unit to the ordinary chair mode of use in which the table panel is held erect and to a desk mode of use in which the table panel is held substantially horizontal. The link mechanism comprises first links reverse-rotatable above the support post with a first support portion as a center, second links tiltable in a front direction with a second support portion as a center and table panel brackets for rotatably connecting the first link to the second link, in which the second link is made of a support post camouflaging member of a channel-like cross-section to be fitted over the support post.