Vertically deployable sofa convertible into bunk bed
AssigneeFlexsteel Industries, Inc.
InventorDavid E. Wallis
Life of this patent
Estimating the term…
Abstract
A sofa bed is convertible to a bunk bed using a base frame assembly; an upper bunk assembly to be disposed on the base frame assembly in a seating position and to be disposed above the base frame assembly in a bunk bed position; a front link and a rear link pivotally attached to the base frame assembly and the upper bunk assembly, alternative embodiments adding a flange plate secured to the rear link with a motor, cable, drive, screw and drive assembly, or adding a torsion spring assembly, or substituting vertical scissors mechanism for the links or substituting telescoping supports for the link assemblies.
Claims20
A sofa convertible into a bunk bed comprising:
- a base frame assembly;
- a upper bunk assembly configured to be disposed on said base frame assembly in a seating position and to be disposed above said base frame assembly in a bunk bed position;
- rear lift means for vertically lifting and lowering said upper bunk assembly relative to said base frame assembly;
- mechanical assistance means for imparting force on and storing energy from said lifting and lowering;
- wherein a first end of said rear lift is attached to said upper bunk assembly and a second end of said rear lift is pivotally attached to said base frame assembly;
- front lift means for vertically lifting and lowering said upper bunk assembly relative to said base frame assembly;
- a first end of said front lift is attached to said upper bunk assembly and a second end of said front lift is attached to said base frame assembly;
- said front lift, rear lift forming a first lift assembly on a first side;
- a second lift assembly comprising a mirror image of said first lift assembly is formed and arranged on a second said of said sofa.
A sofa convertible into a bunk bed comprising:
- a base frame assembly;
- a upper bunk assembly configured to be disposed on said base frame assembly in a seating position and to be disposed above said base frame assembly in a bunk bed position;
- rear lift means for vertically lifting and lowering said upper bunk assembly relative to said base frame assembly;
- mechanical assistance means for imparting force on and storing energy from said lifting and lowering;
- wherein a first end of said rear lift is attached to said upper bunk assembly and a second end of said rear lift is pivotally attached to said base frame assembly;
- front lift means for vertically lifting and lowering said upper bunk assembly relative to said base frame assembly;
- a first end of said front lift is attached to said upper bunk assembly and a second end of said front lift is attached to said base frame assembly.
A sofa convertible into a bunk comprising:
- a base frame assembly;
- a upper bunk assembly configured to be disposed on said base frame assembly in a seating position and to be disposed above said base frame assembly in a bunk bed position;
- a rear lift assembly attached to said base frame assembly and said upper bunk assembly;
- a front lift assembly pivotally attached to said base frame assembly and said upper bunk assembly;
- said rear lift assembly formed of top and bottom members movably interconnected to one another;
- said front lift assembly formed of top and bottom members movably interconnected to one another;
- said rear lift assembly being coordinated with said front lift assembly to move said upper bunk entirely vertically relative to said base.
Dependencies are inferred from the claim text.