# US 11,439,246 B2 · Extendable sofa > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,439,246 B2 - Document ID: US11439246B2 - Status: Granted - Kind: B2 - Application number: 16/911,104 - Filed: 2020-06-24 - Published: 2020-12-31 - Granted: 2022-09-13 - Earliest claimed: 2019-06-25 - Assignees: Hall Labs LLC - Applicants: Hall Labs LLC - Inventors: David R. Hall; Cody Rees - Web page: https://patentgrep.com/patent/US11439246B2 ## CPC - A47C 17/132: {with multiple seat cushions} - A47C 1/023: the parts being horizontally-adjustable seats - A47C 1/024: the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination - A47C 17/86: Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups A47C17/02 - A47C17/84 - A47C: CHAIRS; SOFAS; BEDS ## Abstract There is disclosed an extendable sofa comprising a frame having a seat support portion, a back-support portion, and a cushion storage compartment, wherein the frame is adapted to extend and collapse length-wise between a collapsed configuration and an extended configuration. A primary seat cushion adapted to rest upon the seat support portion of the frame when in the frame is in the collapsed configuration. An auxiliary seat cushion adapted to be stored in the cushion storage compartment when the frame is in the collapsed configuration and adapted to rest upon the seat support portion when the frame is in the extended configuration. At least one primary back cushion adapted to rest against the back-support portion of the frame when the frame is in the collapsed configuration. At least one auxiliary back cushion adapted to be stored in the cushion storage compartment when the frame is in the collapsed configuration and adapted to rest against the back-support portion when the frame is in the extended configuration. ## Claims ### Claim 1 An extendable sofa comprising: a frame having a seat-support portion, a back support portion, and a cushion storage compartment, wherein the frame is adapted to extend and collapse lengthwise between a collapsed configuration and an extended configuration; a primary seat cushion adapted to rest upon the seat support portion of the frame when the frame is in the collapsed configuration; an auxiliary seat cushion adapted to roll up into the cushion storage compartment when the sofa is in a collapsed configuration and to unroll when the sofa is in the extended configuration and rest upon the seat support portion when the frame is in the extended configuration; at least one primary back cushion adapted to rest against the back-support portion of the frame when the frame is in the collapsed configuration; at least one auxiliary back cushion adapted to be stored in the cushion storage compartment when the frame is in the collapsed configuration and adapted to rest against the back-support portion when the frame is in the extended configuration. ### Claim 2 (depends on 1) The invention of claim 1 wherein the frame comprises a plurality of elongate frame members. ### Claim 3 (depends on 2) The invention of claim 2 wherein the elongate frame members are telescoping to facilitate extension and collapse of the frame. ### Claim 4 (depends on 1) The invention of claim 1 wherein the frame is comprised of two separate series of connected metal parts wherein one series is adapted to extend and collapse lengthwise the back-support portion of the frame and the other is adapted to extend and collapse lengthwise the seat portion of the frame. ### Claim 5 (depends on 1) The invention of claim 1 wherein the extending sofa also comprises an armrest. ### Claim 6 (depends on 1) The invention of claim 1 wherein the cushion storage compartment comprises a door to close the storage compartment. ### Claim 7 (depends on 1) The invention of claim 1 wherein the cushion storage compartment is a first cushion storage compartment and wherein the extendable sofa comprises a second cushion storage compartment. ### Claim 8 (depends on 7) The invention of claim 7 wherein the first cushion storage compartment is adapted to hold the auxiliary seat cushion. ### Claim 9 (depends on 7) The invention of claim 7 wherein the second cushion storage compartment is adapted to hold the auxiliary back cushion. ### Claim 10 (depends on 7) The invention of claim 7 wherein the cushion storage compartment comprises a first door to close the first cushion storage compartment. ### Claim 11 (depends on 7) The invention of claim 7 wherein the second cushion storage compartment comprises a door to close the second cushion storage compartment. ### Claim 12 (depends on 11) The invention of claim 11 wherein the frame is changed from the collapsed configuration to the extended configuration by attaching auxiliary frame members which are stored in the cushion storage compartment when not in use. ### Claim 13 (depends on 1) The invention of claim 1 wherein the extendable sofa is sized to accommodate two adults in the collapsed configuration and sized to accommodate three adults in the extended configuration. ### Claim 14 (depends on 1) The invention of claim 1 wherein the cushion storage compartment comprises multiple chambers.