Sofa-bed and sofa-bed conversion

Abstract

Aspects of the present disclosure generally pertain to a sofa-bed. Aspects of the present disclosure are more specifically directed toward a sofa-bed having a mattress support that nests within itself when stowed. Aspects of the present disclosure are further directed toward retrofitting or otherwise converting a traditional lift out sofa-bed into a lift out sofa-bed.

1 . A sofa-bed convertible between a bed configuration when in a deployed state and a sofa configuration when in a stowed state, the sofa-bed comprising:
 a mattress;   a sofa frame having a back base, a front base, a left side, and a right side;   a fixed base affixed to the sofa frame, the fixed base including a plurality of fixed support members distributed between the left and right sides of the sofa frame,
 each of the plurality of fixed support members including a fixed support beam and at least one fixed support leg,
 said fixed support beam configured to support at least a portion of the mattress, 
 said at least one fixed support leg coupled to and extending downward from said fixed support beam, said at least one fixed support leg configured to interface with a floor and support said fixed support beam; and 
 
   a traveling base dynamically coupled to the fixed base so as to be manually moveable between a stowed position and a deployed position relative to the fixed base, the traveling base including a plurality of traveling support members distributed between the left and right sides of the sofa frame and interleaved with the plurality of fixed support members,
 each of the plurality of traveling support members including a traveling support beam and at least one traveling support leg,
 said traveling support beam configured to support at least another portion of the mattress, 
 said at least one traveling support leg coupled to and extending downward from said traveling support beam, said at least one traveling support leg configured to interface with the floor and support said traveling support beam. 
 
   
     
     
         2 . The sofa-bed of  claim 1 , wherein the fixed base further includes a frame back affixed to the sofa frame, and each of the plurality of fixed support members are fixed to the frame back; and
 wherein the traveling base further includes a frame front configured for a user to manually move the traveling base between the stowed position and the deployed position, and each of the plurality of traveling support members are fixed to the frame front.   
     
     
         3 . The sofa-bed of  claim 2 , wherein the fixed base further includes a left frame side mount affixed to the left side of the sofa frame, and a right frame side mount affixed to the right side of the sofa frame; and
 wherein the left frame side mount and right frame side mount are each fixed to the frame back.   
     
     
         4 . The sofa-bed of  claim 1 , further comprising a base travel stop affixed to the fixed base, the base travel stop configured to limit forward movement of the traveling base beyond its deployed position. 
     
     
         5 . The sofa-bed of  claim 4 , wherein the base travel stop includes a rider affixed to the traveling base, and further includes a front stop and a back stop affixed to the fixed base positioned in front of and behind the rider, respectively, the front stop configured to limit forward movement of the traveling base beyond its deployed position, the back stop configured to limit backward movement of the traveling base beyond its stowed position. 
     
     
         6 . The sofa-bed of  claim 5 , wherein the fixed base and the traveling base are sized and dimensioned to provide a cushion seating area having a cushion depth of in the range of 30 to 45 inches when in the sofa configuration in the stowed state; and
 wherein the base travel stop is further configured such that the rider can travel an extension distance in the range of 20 to 30 inches from the stowed state to the deployed state in the bed configuration.   
     
     
         7 . The sofa-bed of  claim 1 , wherein each traveling support leg includes a rolling foot configured to roll on the floor while supporting its respective traveling support beam. 
     
     
         8 . The sofa-bed of  claim 1 , wherein each fixed support leg includes an adjustable foot configured to manually vary in height and to support its respective fixed support beam. 
     
     
         9 . The sofa-bed of  claim 1 , wherein the fixed base and the traveling base are sized and dimensioned to support a standard sofa seating area of between 70-90 inches length by 30-45 inches depth when in the stowed position, and a standard full size mattress when in the deployed position. 
     
     
         10 . The sofa-bed of  claim 1 , wherein the mattress includes a first portion and a second portion stacked on top of the first portion, each having substantially a same length and width. 
     
     
         11 . The sofa-bed of  claim 10 , wherein a front of the first portion of the mattress is attached to a back of the second portion of the mattress by at least one flexible strap. 
     
     
         12 . The sofa-bed of  claim 1 , wherein the mattress includes a first portion, and a second portion and a third portion stacked on top of the first portion, the second portion and the third portion together having substantially a same length and width as the first portion. 
     
     
         13 . The sofa-bed of  claim 1 , wherein the mattress is configured to fold on itself such that, when folded, it has standard seating area of between 70-90 inches length by 30-45 inches depth, and has a standard full size mattress area when unfolded. 
     
     
         14 . The sofa-bed of  claim 1 , further comprising a base travel stop affixed to the fixed base, the base travel stop configured to limit forward movement of the traveling base beyond its deployed position; and
 wherein the fixed base further includes a frame back affixed to the sofa frame, and each of the plurality of fixed support members are fixed to the frame back;   wherein the traveling base further includes a frame front configured for a user to manually move the traveling base between the stowed position and the deployed position, and each of the plurality of traveling support members are fixed to the frame front;   wherein the fixed base further includes a left frame side mount affixed to the left side of the sofa frame, and a right frame side mount affixed to the right side of the sofa frame;   wherein the left frame side mount and right frame side mount are each fixed to the frame back;   wherein the base travel stop includes a rider affixed to the traveling base, and further includes a front stop and a back stop affixed to the fixed base positioned in front of and behind the rider, respectively, the front stop configured to limit forward movement of the traveling base beyond its deployed position, the back stop configured to limit backward movement of the traveling base beyond its stowed position; wherein the fixed base and the traveling base are sized and dimensioned to provide a cushion seating area having a cushion depth of in the range of 30 to 45 inches when in the sofa configuration in the stowed state; and   wherein the base travel stop is further configured such that the rider can travel an extension distance in the range of 20 to 30 inches from the stowed state to the deployed state in the bed configuration;   wherein each traveling support leg includes a rolling foot configured to roll on the floor while supporting its respective traveling support beam;   wherein each fixed support leg includes an adjustable foot configured to manually vary in height and to support its respective fixed support beam;   wherein the fixed base and the traveling base are sized and dimensioned to support a standard sofa seating area of between 70-90 inches length by 30-45 inches depth when in the stowed position, and a standard full size mattress when in the deployed position; wherein the mattress includes a first portion and a second portion stacked on top of the first portion, each having substantially a same length and width; and   wherein a front of the first portion of the mattress is attached to a back of the second portion of the mattress by at least one flexible strap.   
     
     
         15 . A convertible platform for a sofa-bed, the convertible platform having a deployed state corresponding to the sofa-bed in a bed configuration and having a stowed state corresponding to the sofa-bed in a sofa configuration, the convertible platform also having a front, a back, a left side, and a right side all corresponding to the sofa-bed in the sofa configuration, the convertible platform comprising:
 a fixed base including a frame back and a plurality of fixed support members distributed between the left and right sides of the convertible platform and fixed to the frame back,
 each of the plurality of fixed support members including a fixed support beam and at least one fixed support leg,
 said fixed support beam configured to support at least a portion of the mattress, 
 said at least one fixed support leg coupled to and extending downward from said fixed support beam, said at least one fixed support leg configured to interface with a floor and support said fixed support beam; and 
 
   a traveling base dynamically coupled to the fixed base so as to be manually moveable between a stowed position and a deployed position relative to the fixed base, the traveling base including a frame front and a plurality of traveling support members distributed between the left and right sides of the sofa frame, interleaved with the plurality of fixed support members, and fixed to the frame front,
 the frame front configured for a user to manually move the traveling base between the stowed position and the deployed position, 
 each of the plurality of traveling support members including a traveling support beam and at least one traveling support leg,
 said traveling support beam configured to support at least another portion of the mattress, 
 said at least one traveling support leg coupled to and extending downward from said traveling support beam, said at least one traveling support leg configured to interface with the floor and support said traveling support beam. 
 
   
     
     
         16 . The sofa-bed of  claim 14 , further comprising a base travel stop affixed to the fixed base, the base travel stop configured to limit forward movement of the traveling base beyond its deployed position; and
 wherein the base travel stop includes a rider affixed to the traveling base, and further includes a front stop and a back stop affixed to the fixed base positioned in front of and behind the rider, respectively, the front stop configured to limit forward movement of the traveling base beyond its deployed position, the back stop configured to limit backward movement of the traveling base beyond its stowed position.   
     
     
         17 . The sofa-bed of  claim 16 , wherein the fixed base and the traveling base are sized and dimensioned to provide a cushion seating area having a cushion depth of in the range of 30 to 45 inches when in the stowed state corresponding to the sofa-bed in the sofa configuration; and
 wherein the base travel stop is further configured such that the rider can travel an extension distance in the range of 20 to 30 inches from said stowed state to the deployed state corresponding to the sofa-bed in a bed configuration.   wherein the fixed base and the traveling base are sized and dimensioned to support a standard sofa seating area of between 70-90 inches length by 30-45 inches depth when in the stowed position, and a standard full size mattress when in the deployed position.   
     
     
         18 . The sofa-bed of  claim 14 , wherein each traveling support leg includes a rolling foot configured to roll on the floor while supporting its respective traveling support beam; and
 wherein each fixed support leg includes an adjustable foot configured to manually vary in height and to support its respective fixed support beam.   
     
     
         19 . A method for converting a lift out sofa-bed into a slide out sofa-bed that is convertible between a bed configuration when in a deployed state and a sofa configuration when in a stowed state, the method comprising:
 providing a lift out sofa-bed including a sofa frame, a lift out bed frame mechanism coupled to the sofa frame, and a first mattress having a first standard size,
 the sofa frame having a back base, a front base, a left side, and a right side coupled together, 
 the lift out bed frame mechanism including a convertible mechanism that is made of a metal framework that at least partially lifts up and out of the sofa frame to switch the conventional lift out sofa-bed from a conventional sofa configuration to a conventional bed configuration, and 
 the mattress configured to rest flat on the lift out bed frame mechanism when in the conventional bed configuration; 
   removing the lift out bed frame mechanism from the lift out sofa-bed;   separating the front base from the left side and the right side of the sofa frame;   providing a convertible platform having a deployed state corresponding to the slide out sofa-bed in the bed configuration and having a stowed state corresponding to the slide out sofa-bed in the sofa configuration, the convertible platform also having a front, a back, a left side, and a right side all corresponding to the slide out sofa-bed in the sofa configuration, the convertible platform including:
 a fixed base including a frame back and a plurality of fixed support members distributed between the left and right sides of the convertible platform and fixed to the frame back,
 each of the plurality of fixed support members including a fixed support beam and at least one fixed support leg,
 said fixed support beam configured to support at least a portion of the mattress, 
 said at least one fixed support leg coupled to and extending downward from said fixed support beam, said at least one fixed support leg configured to interface with a floor and support said fixed support beam; and 
 
 
 a traveling base dynamically coupled to the fixed base so as to be manually moveable between a stowed position and a deployed position relative to the fixed base, the traveling base including a frame front and a plurality of traveling support members distributed between the left and right sides of the sofa frame, interleaved with the plurality of fixed support members, and fixed to the frame front,
 the frame front configured for a user to manually move the traveling base between the stowed position and the deployed position, 
 each of the plurality of traveling support members including a traveling support beam and at least one traveling support leg,
 said traveling support beam configured to support at least another portion of the mattress, 
 said at least one traveling support leg coupled to and extending downward from said traveling support beam, said at least one traveling support leg configured to interface with the floor and support said traveling support beam. 
 
 
   attaching the front base of the sofa frame to the frame front of the traveling base such that the user can manually move the traveling base between the stowed position and the deployed position by sliding out said front base; and   attaching the back base, the left side, and the right side of the sofa frame to fixed base such that they remain in a fixed position relative to the fixed base when the traveling base slides forward and backward between the between the stowed position and the deployed position.   
     
     
         20 . The method of  claim 1 , further comprising replacing the first mattress with a second mattress having a second mattress size, said second mattress size being other than the first mattress size; and
 wherein the lift out bed frame mechanism of the lift out sofa-bed is configured to lay out the first mattress in a first orientation when in the conventional bed configuration;   wherein the convertible platform of the slide out sofa-bed is configured to lay out the second mattress in a second orientation when in the bed configuration, said second orientation being perpendicular to the said first orientation.