Convertible seat for vehicles

Claim 1

A convertible seat for a vehicle comprising: a. an adult size seat constructed on a main frame that is attached to the vehicle including a substantially horizontal cushion for support when a person is seated, juxtaposed and meeting a substantially vertical backrest with a back support surface, the back support surface having an aperature as an entrance to a cavity therein, with the aperature having a closure means fastenable at the surface of the backrest; and b. a foldable child's size seat attached to the main frame within the cavity including a second cushion attached to the main frame and pivotable thereon from a position substantially vertical within the cavity when folded to a position substantially horizontal when unfolded within and outside the cavity, the cushion being juxtaposed and meeting a substantially vertical second backrest with a back support surface attached to the main frame, the cushion being foldable to a position adjacent to the second back rest when in folded position, and an armrest guard encircling the second cushion position when unfolded substantially paralled therewith, attached to and pivotal from the second backrest surface when unfolded, and substantially vertical when folded, the second cushion and armrest guard being pivotal, enclosed in the cavity, and covered by the closure means, in the folded position.