Patent ID: 8959678
Filing Date: 2015-02-24
Classification: A47C,Y10T

Abstract:
1. A foundation unit kit, comprising a. at least three elongated, generally flat cross trusses having a longitudinal dimension and flat sides, said trusses having top and bottom rail notches, b. four generally flat side rails, each side rail having a longitudinal dimension and flat sides, c. said cross trusses and said side rails being oriented together with their longitudinal dimensions aligned in a generally parallel orientation and with at least some of their flat sides in contact with one another, d. a binding maintaining said cross trusses and side rails in the orientation of paragraph c, and e. wherein each cross truss includes a pre-stress and at least one center block support located between opposite end block supports, said pre-stress comprising said at least one center block support having a vertical dimension greater than vertical dimensions of said end block supports.