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US4068328A Expired / Lapsed US ⏱️ 0.0 years remaining

Convertible furniture

Assignee: Individual
•
Filing: 1976-09-27
•
Granted: 1978-01-17
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Expires: 1996-09-27
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Abstract

Abstract The following specification discloses a chesterfield that is convertible into a double bed without a requirement for changing any part of the chesterfield frame and which has the normal seat depth for sitting comfort. The bed is stored beneath the seat cushions and is foldable inwardly lengthwise of the chesterfield with part of the folded bed storable beneath the back rail or deck of the seat. The bed is folded lengthwise and consists of a pair of clam-shell appearing tube members pivotably attached to a pair of channel members with link fabric for holding a mattress stretched between the tubes and a mid-cross tube. The channels and tubes form a `U` shape when folded down into the bottom of the chesterfield with the opening of the `U` facing the back of the chesterfield. The bed frame is held to the lower side frames of the chesterfield by a bearing bracket through a chain of links connected together in pivotable foldable relation. A `U` shaped torsion tube is pivotably connected to each side bracket across the bottom of the chesterfield with the arms of the `U` connected to the chain of links to become the legs of the bed proximate the chesterfield when the bed is folded out. Another pair of legs is connected to the chain of links to fold out with the unfolding of the upper half of the clam-shell to form the front legs of the bed. The linkages from the front legs through the torsion tube to the bracket form an upwardly thrusting bridge to maintain the bed in load bearing rigidity in the out-folded position without the necessity for a mid-section support or leg.

Inventors

  • 👤 William V. Gerth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 02:30
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23; A47C17/225

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 354 words
Convertible furniture comprising in combination; a chesterfield frame having a back, two opposite sides and a front with a level top edge thereto; a back deck rail attached between said sides forward of the back and above the top of said front top edge; a bed frame having a spring attached thereto and a mattress held thereon, said bed frame being collapsibly storable within said chesterfield frame below said front top edge and partly beneath said back deck rail, whereby said bed frame when stored within the chesterfield frame provides the seat cushion support for said chesterfield; said bed frame, when collapsed, comprising an upper and lower U-shaped member disposed in spaced apart relationship by a pair of channel members, said channel members being pivotably attached to the ends of the legs of the U-shaped members; linked mesh wire fabric attached to the U-shaped members and between them to form said bed spring and provide a mattress support therebetween; a base plate attached to each side of said chesterfield frame and having a forward and rearward end thereon; a main torsion support tube pivotably attached to the forward end of each base plate and pivotably linked to a pair of swing levers, one swing lever being attached to one leg of the U-shaped lower bed frame member and the other swing lever being attached to the other end of the lower U-shaped bed frame member; a lock linkage pivotably connected between a rearward end of each base plate and one of the pair of swing levers, to provide a brace to the lower bed frame when the bed is in the unfolded position and being collapsible when the folded bed frame and mattress combination are thrust beneath the back deck rail; a separate support leg pivotably connected to the ends of the upper U-shaped bed frame member, said legs being storable parallel with the frame member of the bed when in the collapsed position and being extensible into load bearing position when the frames and channels are in outwardly extended by means of a linkage arm connected between the channel members and the legs.
Claim 2
Dependent Claim 354 words
Convertible furniture comprising in combination; a chesterfield frame having a back, two opposite sides and a front with a level top edge thereto; a back deck rail attached between said sides forward of the back and above the top of said front top edge; a bed frame having a spring attached thereto and a mattress held thereon, said bed frame being collapsibly storable within said chesterfield frame below said front top edge and partly beneath said back deck rail, whereby said bed frame when stored within the chesterfield frame provides the seat cushion support for said chesterfield; said bed frame, when collapsed, comprising an upper and lower U-shaped member disposed in spaced apart relationship by a pair of channel members, said channel members being pivotably attached to the ends of the legs of the U-shaped members; linked mesh wire fabric attached to the U-shaped members and between them to form said bed spring and provide a mattress support therebetween; a base plate attached to each side of said chesterfield frame and having a forward and rearward end thereon; a main torsion support tube pivotably attached to the forward end of each base plate and pivotably linked to a pair of swing levers, one swing lever being attached to one leg of the U-shaped lower bed frame member and the other swing lever being attached to the other end of the lower U-shaped bed frame member; a lock linkage pivotably connected between a rearward end of each base plate and one of the pair of swing levers, to provide a brace to the lower bed frame when the bed is in the unfolded position and being collapsible when the folded bed frame and mattress combination are thrust beneath the back deck rail; a separate support leg pivotably connected to the ends of the upper U-shaped bed frame member, said legs being storable parallel with the frame member of the bed when in the collapsed position and being extensible into load bearing position when the frames and channels are in outwardly extended by means of a linkage arm connected between the channel members and the legs.
Claim 3
Dependent Claim 94 words
Convertible furniture as claimed in claim 1, a rigid member attached to the channel members to provide a hard front edge to the bed frame when in folded position and having a plurality of spring steel links connected to the link fabric and sprung over said rigid member to combine therewith to provide a cushion support between the folded link fabric and the chesterfield front frame top edge; and having a lock lever connected between each channel of the bed frame and the swing levers to provide rigidity to the bed when outwardly extended.

References Cited (Backward Citations)

US1081590A Cited
US1945186A Cited
US2584145A Cited
US2985893A Cited
US3284812A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-16 1981-07-18 1982-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-16 1985-07-18 1986-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-16 1989-07-18 1990-01-17 $7700.00 Window Closed / Lapsed

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