Seat mat assembly with headrests

Claim 1

A seat and backrest mat mountable upon a seat having a backrest comprising elongated opposed top and bottom covers of a predetermined shape; a layer of resilient material of the same shape interposed between the covers; continuous securing means extending around the perimeters of and peripherally interconnecting said covers and resilient layer, defining a seat portion and a connected back portion; an elongated stiffener liner sheet interposed between one of said covers and resilient layer of at least said back portion and along its opposite sides secured thereto by said securing means, said stiffener sheet having sufficient flexibility to permit selective folding and redefinition of the connected seat portion and back portion as the mat is slid along the seat and backrest to match the height of the person using the mat; a pair of laterally spaced headrest supports secured to said stiffener sheet at its top and projecting forwardly therefrom; and a pair of formed enlarged laterally spaced resilient headrests each having a central rearwardly opening aperture snugly receiving and fixedly supported and secured upon said headrest supports respectively.