panels 15 s and the bottom panel 15 b when deployed the top dovetail piece 55 t of one panel mates with the bottom dovetail piece 55 b of the panel above it when the wall panel assembly 10 is deployed the chains 315 bear the weight of all of the deployed panels 15 via the connection between the chains 315 and the bottom panel 15 b fig1 is a perspective view of the panels 15 b 15 s in a deployed position in which all of the stowable panels 15 s are positioned on the bottom panel 15 b in the illustrated embodiment the top panel 15 s extends through the opening 40 above the ceiling 35 in another embodiment a top of the top panel 15 s is substantially level with the opening 40 the mating dovetail pieces 55 t 55 b of the stowable panels 15 s engage to substantially fix the adjacent deployed panels 15 b 15 s together the weight of the stowable panels 15 s the mating dovetail pieces 55 t 55 b and the first and second jamb assemblies 25 a 25 b in combination retain the wall panels 15 in a substantially vertical position when deployed the front and rear panel faces 50 f 50 r of the wall panels 15 together provide a substantially continuous wall surface when the wall panel assembly 10 is deployed to stow the panels 15 the motor 245 operates in an opposite direction of that of deployment operation of the motor 245 rotates the cams 295 in the opposite direction with reference to fig1 the cams 295 engage the carriers 65 of the top panel 15 s in response to.