Patent ID: 8459738

Claim:
A portable backrest for supporting an upper body of a person sitting sideways on a sofa, the portable backrest comprising: a single piece of resilient material comprising: a planar base plate having a front end and a rear end and configured to support a cushion that is adjacent an armrest of the sofa, a planar rear plate, having an upper end and a lower end, the lower end of the planar rear plate extending from the rear end of the planar base plate such that the planar rear plate is perpendicular to the planar base plate, a transition portion situated at the upper end of the planar rear plate and defining a flex junction having a first portion that angles inwardly perpendicular to the planar rear plate and a second portion that extends upwardly therefrom substantially parallel to the planar rear plate, and a planar back extending from the second portion of the flex junction portion and configured to support a torso of a user sitting sideways on the sofa, the flex junction allowing backwards flexure upon application of body weight of the torso of the user on the planar back, the planar base plate, the planar rear plate and the transition portion forming a generally rectangular reception area that is configured to receive an end of the cushion that is adjacent the armrest of the sofa; and a cushion situated on and about the planar back.