Patent US4234976A successfully refreshed from Google Patents.
US4234976A
Expired / Lapsed
US
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Foldable furniture assembly
Assignee: L&P Property Management Co
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Filing: 1978-11-22
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Granted: 1980-11-25
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Expires: 1998-11-22
Abstract
Abstract A foldable sofa bed assembly is disclosed including first and second frame subassemblies, a side frame subassembly, a front frame subassembly adapted for connection to the side frame subassembly, a linkage subassembly for operatively interconnecting the first and second frame subassemblies and the side frame subassembly for moving the first and second frame subassemblies relative to each other and relative to the side frame subassembly between a folded sofa forming position and an open bed forming position. The subassemblies can be shipped in relatively narrow containers to be later assembled together. The linkage subassembly includes a plurality of pivotally connected links pivotally connected to the side frame subassembly and operable for movement between the sofa and bed forming position. The sofa bed assembly also includes a back frame subassembly adapted for connection to the side frame subassembly. The back frame subassembly includes a back wall and a backing subassembly which is pivotally connected to the back wall for movement relative thereto between a retracted storage position and an extended use position. The backing subassembly includes a plurality of interconnected back frame members pivotally connected to the back wall and capable of movement between the storage and use positions. The backing subassembly provides at least a partial support for a back cushion in the use position.
Inventors
- 👤 Stanley Litkewycz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:35
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/028; A47C19/00; A47C19/005
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
204 words
A foldable furniture assembly comprising: first frame means, second frame means, side frame means, front frame means adapted for connection to said side frame means, linkage means for operatively interconnecting said first frame means to said second frame means and for operatively interconnecting said first and second frame means to said side frame means so that each of said first and second frame means are all able to move relative to each other and relative to said side frame means between a folded position and an open position, said linkage means including a plurality of pivotally connecting links pivotally connected to said side frame means and capable of movement between said folded and open positions, and back frame means adapted for connection to said side frame means, said back frame means including back wall means and backing means operatively connected to said back wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members pivotally connected to said back wall means and capable of movement between said storage and use positions, said backing means providing at least a partial support for a back cushion in said use position.
Claim 2
Dependent Claim
204 words
A foldable furniture assembly comprising: first frame means, second frame means, side frame means, front frame means adapted for connection to said side frame means, linkage means for operatively interconnecting said first frame means to said second frame means and for operatively interconnecting said first and second frame means to said side frame means so that each of said first and second frame means are all able to move relative to each other and relative to said side frame means between a folded position and an open position, said linkage means including a plurality of pivotally connecting links pivotally connected to said side frame means and capable of movement between said folded and open positions, and back frame means adapted for connection to said side frame means, said back frame means including back wall means and backing means operatively connected to said back wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members pivotally connected to said back wall means and capable of movement between said storage and use positions, said backing means providing at least a partial support for a back cushion in said use position.
Claim 3
Dependent Claim
60 words
The assembly as claimed in claim 1 wherein said back wall means includes a support rail and said back frame members include a support member spaced from and substantially parallel to said support rail and wherein said assembly further comprises spring means extending between said support rail and said support member to provide a resilient support for the back cushion.
Claim 4
Dependent Claim
36 words
The assembly as claimed in claim 2 wherein said back frame means includes retainer means on said support rail and said support member for mounting said spring means to said support rail and said support member.
Claim 5
Dependent Claim
43 words
The assembly as claimed in claim 3 wherein said spring means includes at least one connected spring, said retaining means including a plurality of clips disposed on said support rail and said support member for holding the ends of said spiral spring therebetween.
Claim 6
Dependent Claim
48 words
The assembly as claimed in claim 2 or claim 4 wherein said backing means includes at least one first frame member adapted for rigid nonpivotal connection at one end thereof to said support rail in said use position, said support member being connected at the opposite end thereof.
Claim 7
Dependent Claim
82 words
The assembly as claimed in claim 5 wherein said backing means includes at least one second frame member pivotally connected to said back wall means and to the opposite end of said first frame member at two spaced points to allow said first frame member and said support member to pivotally move from said storage position to said use position and wherein said assembly includes fastener means for rigidly connecting said first frame member to said support rail in said use position.
Claim 8
Dependent Claim
38 words
The assembly as claimed in claim 6 wherein said first frame member includes an integral flange portion and wherein said fastener means extends through said flange portion to rigidly connect said first frame member to said support rail.
Claim 9
Dependent Claim
41 words
The assembly as claimed in claim 1 or claim 7 wherein said side frame means includes a vertical frame member and wherein said assembly includes pivot means for pivotally connecting one of said plurality of links to said vertical frame member.
Claim 10
Dependent Claim
39 words
The assembly as claimed in claim 8 wherein said pivot means includes spacer means extending between said one of said plurality of links and said vertical frame member for spacing said plurality of links from said vertical frame member.
Claim 11
Dependent Claim
46 words
The assembly as claimed in claim 9 wherein said pivot means further includes means fixedly connected to said vertical frame member and extending through an aperture formed through said spacer means for pivotally connecting said one of said plurality of links to said vertical frame member.
Claim 12
Dependent Claim
145 words
A back frame assembly for use with a first frame means, a second frame means, a side frame means, a front frame means adapted for connection to the side frame means, and a linkage means for operatively interconnecting the first frame means to the second frame means and for operatively interconnecting the first and second frame means to the side frame means, the assembly adapted for connecting to the side frame means, the assembly comprising: back wall means, and backing means operatively connected to said wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members pivotally connected to said wall means and capable of movement between said storage and use positions, said backing means providing at least a partial support for a back cushion in said use position.
Claim 13
Dependent Claim
145 words
A back frame assembly for use with a first frame means, a second frame means, a side frame means, a front frame means adapted for connection to the side frame means, and a linkage means for operatively interconnecting the first frame means to the second frame means and for operatively interconnecting the first and second frame means to the side frame means, the assembly adapted for connecting to the side frame means, the assembly comprising: back wall means, and backing means operatively connected to said wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members pivotally connected to said wall means and capable of movement between said storage and use positions, said backing means providing at least a partial support for a back cushion in said use position.
Claim 14
Dependent Claim
60 words
The assembly as claimed in claim 11 wherein said back wall means includes a support rail and said back frame members include a support member spaced from and substantially parallel to said support rail and wherein said assembly further comprises spring means extending between said support rail and said support member to provide a resilient support for the back cushion.
Claim 15
Dependent Claim
36 words
The assembly as claimed in claim 12 wherein said back frame means includes retainer means on said support rail and said support member for mounting said spring means to said support rail and said support member.
Claim 16
Dependent Claim
43 words
The assembly as claimed in claim 13 wherein said spring means includes at least one convoluted spring, said retaining means including a plurality of clips disposed on said support rail and said support member for holding the ends of said spiral spring therebetween.
Claim 17
Dependent Claim
48 words
The assembly as claimed in claim 12 or claim 14 wherein said backing means includes at least one first frame member adapted for rigid nonpivotal connection at one end thereof to said support rail in said use position, said support member being connected at the opposite end thereof.
Claim 18
Dependent Claim
82 words
The assembly as claimed in claim 15 wherein said backing means includes at least one second frame member pivotally connected to said back wall means and to the opposite end of said first frame member at two spaced points to allow said first frame member and said support member to pivotally move from said storage position to said use position and wherein said assembly includes fastener means for rigidly connecting said first frame member to said support rail in said use position.
Claim 19
Dependent Claim
38 words
The assembly as claimed in claim 16 wherein said first frame member includes an integral flange portion and wherein said fastener means extends through said flange portion to rigidly connect said first frame member to said support rail.
Claim 20
Dependent Claim
132 words
A back frame assembly for use with a side frame means and a front means adapted for connection to the side frame means, the assembly being adapted for connection to the side frame means, the assembly comprising: back wall means including a support rail, backing means operatively connected to said back wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members including a support member pivotally connected to said wall means and capable of movement between said storage and use positions, and spring means extending between said support rail and said support member, said backing means and said spring means providing at least a partial resilient support for a back cushion in said use position.
Claim 21
Dependent Claim
132 words
A back frame assembly for use with a side frame means and a front means adapted for connection to the side frame means, the assembly being adapted for connection to the side frame means, the assembly comprising: back wall means including a support rail, backing means operatively connected to said back wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members including a support member pivotally connected to said wall means and capable of movement between said storage and use positions, and spring means extending between said support rail and said support member, said backing means and said spring means providing at least a partial resilient support for a back cushion in said use position.
Claim 22
Dependent Claim
108 words
A foldable furniture assembly comprising: side frame means, front frame means adapted for connection to said side frame means, and back frame means adapted for connection to said side frame means, said back frame means including back wall means and backing means operatively connected to said back wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members pivotally connected to said back wall means and capable of movement between said storage and use positions, said backing means providing at least a partial support for a back cushion in said use position.
Claim 23
Dependent Claim
108 words
A foldable furniture assembly comprising: side frame means, front frame means adapted for connection to said side frame means, and back frame means adapted for connection to said side frame means, said back frame means including back wall means and backing means operatively connected to said back wall means for movement relative thereto between a retracted storage position and an extended use position, said backing means including a plurality of interconnected back frame members pivotally connected to said back wall means and capable of movement between said storage and use positions, said backing means providing at least a partial support for a back cushion in said use position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-25 | 1984-05-26 | 1984-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-25 | 1988-05-26 | 1988-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-25 | 1992-05-26 | 1992-11-25 | $7700.00 | Window Closed / Lapsed |