US Patent 11607044 Upholstered furniture including molded furniture components

An upholstered piece of furniture with a frame including a pair blow molded hollow arm rest forms, wherein spanning wood frame members extend between the forms. The wood frame members secured to the forms with interference fits, and minimal threaded fasteners. The arm rest forms have through slots which allow the seat deck and arm upholstery to be pulled through and anchored with staples providing a secure attachment. Threaded fasteners clamp onto the polymer wall of the forms for attachment of frame members. A blowmolded backrest has a metal reinforcing arms connecting to a seat platform. Holes in arm rest allow upholstery panel connections with Christmas tree connectors. The connections to the arm rest forms and providing a geometrically rigid and robust sofa frame that is weighs less, is quicker to assemble, and is more robust. The finishing of the sofa is also quicker and easier than conventional sofas.