Note: Descriptions are shown in the official language in which they were submitted.
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BED TO A SOFA CONVERSION FRAME
FIELD
[0001] The present disclosure relates to furniture accessories, and for
example, to a sofa
conversion frame for converting a bed into a sofa.
DESCRIPTION OF THE RELATED ART
[0002] Traditional beds of various different configurations use mattresses
that do not fold
and provide a comfortable environment for sleeping. The "traditional bed"
refers to a bed
comprising a conventional manufactured mattress that may or may not be placed
together
with a box spring and a standard two rail bed frame with or without a
headboard and footer
attached. However, the size of the traditional bed tends to occupy much of the
available
space in a room, for example a bedroom, hotel room, or studio apartment,
leaving little
room for other furniture such as a sofa. Several different solutions have been
proposed to
minimize the required space for a bed or to increase the functional aspects
thereof.
[0003] A sofa, which is also referred to as a couch or settee or divan, is a
piece of furniture
for seating two or more persons in the form of a seating area with a back and
armrests for
two or more people, that maybe partly or wholly upholstered, and often fitted
with springs
and tailored cushions. Although a sofa is used primarily for seating and is
normally used in
living spaces such as, but not limited to, homes.
[0004] One solution involves a conventional sofa bed, which is also referred
to as a sleeper
sofa. This typically comprises a sofa that converts to a bed using a foldable
internal frame
and an unconventional foldable mattress that stores below the cushioned seat
of the sofa. It
is generally recognized that when configured as a sofa it is a piece of
furniture for seating
two or more persons in the general form of a bench, with armrests, that may or
may not be
cushioned and/or upholstered. The internal frame and mattress contained in the
sofa can
be unfolded and configured to form a bed. The sofa bed is a space saving piece
of furniture,
but due to additional hardware and mattress, it is very heavy and unwieldy to
move.
[0005] Another solution resides in futons. A futon is typically a foldable
frame having an
unconventional foldable mattress. The frame and mattress can be folded into a
"sofa
configuration" or unfolded to a "bed configuration". This is another sofa/bed
combination
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maximizing living space. However, futons can be daunting to assemble,
especially for the
foldable frame where the rollers or sliders have to be installed in
corresponding grooves.
[0006] Due to the above, the present applicant has determined that it would be
a benefit in
the art of furniture and furniture accessories to provide a space saving and
dual function
system, establishing a new product category with minimal assembly hassles
and/or
placement thereof referred to as "the bed to a sofa conversion frame" that
converts a
traditional bed comprising i) a conventional manufactured mattress, or ii) a
conventional
manufactured mattress and a box spring, or iii) a conventional manufactured
mattress and a
two rail frame, optionally with a box spring, into a sofa. A conventional
manufactured
mattress is defined as a mattress manufactured for traditional beds, such as
but not limited
to twin size, full size, queen size, king size, and other bed sizes
manufactured for beds and is
not configured to be folded when converted into the sofa.
[0007] Additionally, the usage of either a sofa bed or a futon requires the
user to purchase
and install either article of furniture. Most consumers already have a bed and
the present
applicant has determined that it would be desirable to provide multiple
functionality for the
traditional bed, comprising i) a conventional manufactured mattress, or ii) a
conventional
manufactured mattress and a box spring, or iii) a conventional manufactured
mattress and a
two rail frame, optionally with a box spring, allowing it to be used for
additional furniture
purposes without having to purchase or otherwise acquire and install
additional pieces of
furniture.
[0008] An improvement to the known embodiments, described above, is a frame
that can
easily convert a stand-alone traditional bed into a sofa (bed to a sofa
conversion frame) may
have a benefit by creating a dual purpose for a traditional bed comprising i)
a conventional
manufactured mattress, or ii) a conventional manufactured mattress and a box
spring, or iii)
a conventional manufactured mattress and a two rail frame, optionally with a
box spring, as
described in U.S. Patent No. 8,332,973.
[0009] To conserve space, some sofas double as beds in the form of sofa-beds,
daybeds,
futons, or the bed to a sofa conversion frame, which enables a bed to double
as a sofa. The
assembly of their frames can be made out of wood, metal, composite materials
(e.g., resin),
or a combination thereof. The assembly connections are completed through
various means
of nuts, bolts, joint connectors, glues, or a combination thereof.
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SUMMARY
[0010] An exemplary embodiment of a "bed to a sofa conversion frame" is a
separate frame
that, when combined with a traditional bed comprising i) a conventional
manufactured
mattress, or ii) a conventional manufactured mattress and a box spring, or
iii) a conventional
manufactured mattress and a two rail frame, optionally with a box spring, will
allow the
traditional bed to function as a sofa. An exemplary embodiment of a frame
includes a
backrest, a footer (optional) and a pair of armrests configured as a solid
state and or to be
assembled together to form a sofa frame around a traditional bed. The separate
frame does
not include a standard seating area, as that function is performed by the
traditional bed,
after conversion.
[0011] An exemplary embodiment of a "bed to a sofa conversion frame" is a
stand-alone
frame, the frame being configured to convert a bed comprising a conventional
manufactured mattress into a sofa, the frame including a backrest having
backrest
connectors at opposite ends thereof, a footer having footer connectors at
opposite ends
thereof, a pair of armrests forming a base, each armrest having a rear armrest
connector
configured to connect to a backrest connector at one end of the backrest and
each armrest
having a front armrest connector configured to connect to a footer connector
at one end of
the footer, and a space defined by the backrest, footer, and armrests, the
space configured
to be filled by the conventional manufactured mattress, wherein the backrest,
footer and
armrests, as a unitary piece or when connected together to form an assembled
frame, form
a frame configured for surrounding the bed to convert the bed into a sofa such
that at least
a portion of an upper surface area of the bed forms a seating area of the
sofa, wherein the
frame is a stand-alone frame separate from the bed, and wherein the backrest
comprises a
horizontally-extending backrest ridge configured to hold, directly or
indirectly, a mattress.
[0012] In an embodiment, the footer may include a horizontally-extending
footer ridge
configured to hold, directly or indirectly, a conventional manufactured
mattress or a
conventional manufactured mattress and a box spring. In an embodiment, the
armrests may
include a horizontally-extending armrest ridge configured to hold, directly or
indirectly, a
conventional manufactured mattress or a conventional manufactured mattress and
a box
spring. In an embodiment, the backrest ridge has a support surface and the
footer has a top
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surface, the backrest ridge support surface may be at the same height as the
footer top
surface.
[0013] In an embodiment, the backrest ridge, the armrest ridges and/or the
footer ridges
may be formed as a structure protruding from the backrest, the arm rests or
the footer,
respectively. In an embodiment, the backrest ridge, the arm rest ridges and/or
the footer
ridges may be formed as a groove in the backrest, the arm rests and/or the
footer,
respectively.
[0014] In an embodiment, the frame allows a traditional bed comprising i) a
conventional
manufactured mattress, or ii) a conventional manufactured mattress and a box
spring, or iii)
a conventional manufactured mattress and a two rail frame, optionally with a
box spring, to
be used as both a bed and a sofa, without folding of the mattress.
[0015] In an embodiment, the pair of armrests forms a base for connecting the
backrest and
the footer via connectors, for example, corresponding mounting hardware and
mounting
slots. Both the backrest and the footer may be, individually, one solid piece,
individual
pieces connected by connectors, for example, brackets. Both the backrest and
the footer
may be, individually, detachable and foldable to provide easy breakdown and
storage. In an
embodiment, the frame may be one unitary piece, or an assembled frame that is
not
intended to be readily disassembled. For example, an assembled frame that is
not intended
to be readily disassembled may include a frame where disassembly results in
permanent
damage to connectors, to the frame or to a covering material. In an
embodiment, the footer
is not incorporated as a component of the frame. In an embodiment, the
armrests can
include an extension or an attached bracket to anchor the armrests and
backrest to the bed.
[0016] These and other features and functions of embodiments of the present
disclosure
will become readily apparent upon further review of the following
specification and
drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0017] FIG. 1 is an environmental, perspective view of a bed to a sofa
conversion frame
according to an exemplary embodiment of the present disclosure, the frame
being disposed
about a traditional bed.
[0018] FIG. 2A is an exemplary view of the bed to a sofa conversion frame
according to an
exemplary embodiment of the present disclosure.
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[0019] FIGS. 2B-F are exemplary cross-sectional views of a backrest and a
support ridge
according to exemplary embodiments of the present disclosure.
[0020] FIG. 2G shows an exemplary view of the inner side of the footer
according to an
exemplary embodiment of the present disclosure, which can be similar to the
cross-
sectional views of a backrest and a support ridge shown in 2B-F.
[0021] FIG. 3A is an exemplary view of the rear of the backrest for the bed to
a sofa
conversion frame according to an exemplary embodiment of the present
disclosure.
[0022] FIG. 3B is an exemplary view of the rear of the footer for the bed to a
sofa conversion
frame according to an exemplary embodiment of the present disclosure.
[0023] FIG. 3C is an exemplary view of the left armrest for the bed to a sofa
conversion
frame according to an exemplary embodiment of the present disclosure.
[0024] FIG. 3D is an exemplary view of the right armrest for the bed to a sofa
conversion
frame according to an exemplary embodiment of the present disclosure.
[0025] FIGS. 4A-B are exemplary views of embodiments for the bed to a sofa
conversion
frame according to an exemplary embodiment of the present disclosure.
[0026] FIGS. 5A-B are exemplary views of a backrest for the bed to a sofa
conversion frame
according to an exemplary embodiment of the present disclosure.
[0027] FIGS. 6A-B are exemplary views of a footer for the bed to a sofa
conversion frame
according to an exemplary embodiment of the present disclosure.
[0028] FIGS. 7A-C are exemplary views of an armrest for the bed to a sofa
conversion frame
according to an exemplary embodiment of the present disclosure.
[0029] FIG. 8 is an exemplary view of an embodiment for the bed to a sofa
conversion frame
according to an exemplary embodiment of the present disclosure.
[0030] Similar reference characters denote corresponding features consistently
throughout
the attached drawings.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0031] An exemplary embodiment of the present disclosure relates to a "bed to
a sofa
conversion frame," generally referred to in the drawings by reference number
1.0, for
converting a bed into a sofa.
[0032] As shown in the exemplary embodiments of FIGS. 1 and 2, are exemplary
views of
the bed to a sofa conversion frame 10 includes a backrest 20, a footer 30, a
left armrest 40,
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and a right armrest 50 that when connected together and or assembled to
surround (also
referred to as "wrap around") a bed B comprising i) a conventional
manufactured mattress,
or ii) a conventional manufactured mattress and a box spring, or iii) a
conventional
manufactured mattress and a two rail frame, optionally with a box spring, that
when
combined together form the sofa. A conventional manufactured mattress is
defined as a
mattress manufactured for beds, such as but not limited to twin size, full
size, queen size,
king size, and other bed sizes manufactured for beds. A conventional
manufactured
mattress is not configured to be folded during use or storage. In an
embodiment, the
exemplary bed to a sofa conversion frame shown in FIG. 1 is assembled, but the
disclosure
also contemplates variations where, for example, the frame is a solid one
piece frame,
referred to as "solid state." The bed B serves as the seating area for the
sofa, and with
placement of various pillows P, provides a comfortable seating and lounging
environment
for the user. In an embodiment, only a portion of the bed's upper surface area
is used as a
seating area for a sofa. In an embodiment, substantially all the upper surface
of the bed may
be used as a seating area for a sofa.
[0033] The example of the backrest 20 includes a backrest ridge 25. The
backrest ridge 25
may be a horizontally-extending backrest ridge configured to hold, directly or
indirectly, a
conventional manufactured mattress. The backrest ridge may be formed as a
structure
protruding from the backrest. The backrest ridge may be formed as a groove in
the backrest.
[0034] The footer may include a horizontally-extending footer ridge 35
configured to hold,
directly or indirectly, a conventional manufactured mattress. The footer ridge
35 may be
formed as a structure protruding from the footer 30. The footer ridge 35 may
be formed as
a groove in the footer 30.
[0035] The examples of the armrests 40, 50 may each include a horizontally-
extending
armrest ridge (not shown) configured to hold, directly or indirectly, a
mattress. The armrest
ridge may be formed as a structure protruding from the armrest(s) 40, 50. The
armrest ridge
may be formed as a groove in the armrest(s) 40, 50.
[0036] In an embodiment, the backrest ridge 25 has a support surface and the
footer has a
top surface, the backrest ridge support surface being at the same height as
the footer top
surface. In this manner, the backrest ridge 25 and the footer top surface can
hold supports
parallel to the ground.
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[0037] The backrest ridge 25 may be permanently attached or detachably
attached to the
frame 10. The backrest ridge 25 may be configured to hold a support structure,
such as
wooden slats, that could support a mattress (and the weight of a person or
persons using
the mattress). The backrest ridge 25 allows the conversion frame 10 to hold
and convert a
conventional manufactured mattress into a sofa. The backrest ridge 25 may
extend along
the entire or substantially the entire (e.g., at least 80%) of the length of
the backrest 20. The
backrest ridge 25 may be in the form of two or three or more independent
ridges
horizontally extending alone the length of the backrest 20, with or without
gaps there
between. FIGS 2B-F show exemplary cross-sectional views of a backrest 20 and a
backrest
ridge 25. All embodiments of the backrest ridge 25 may also be applicable to
the footer
ridge 35 and the armrest ridge(s). The footer 30 may include a footer ridge
35, as shown in
FIG. 2G.
[0038] In an embodiment, the backrest 20 may vertically extend to the ground,
to the
backrest ridge 25, or to a level between the ground and backrest ridge 25.
[0039] To show the flexibility of various embodiments of the disclosure, an
example of the
bed to a sofa conversion frame 10 is that it can be configured for easy
assembly,
disassembly and storage. As shown in the exemplary embodiments of FIGS. 3A and
3B, both
the backrest 20 and the footer 30 may be foldable along respective folds 22,
32 via hinges
23, 33. As a result, all the disassembled pieces including the armrests 40, 50
occupy a
relatively small amount of space for convenient storage and/or transport. Both
the backrest
20 and the footer 30 may include additional folds, or they may include
separate panels that
can be assembled to form the backrest and the footer. It is also possible to
have both the
backrest 20 and the footer 30be unfoldable and/or each one of one piece.
[0040] Referring to the exemplary embodiments of FIG. 3A, the backrest 20
includes an
elongate, substantially rectangular, panel having a relatively larger
dimension than the
footer 30 so as to provide enough area to support the user's back. Each
opposite end of the
backrest 20 can include connectors, for example, mounting hardware for
assembly 24, for
connecting the backrest 20 to the respective armrests 40, 50. In an exemplary
embodiment,
the mounting hardware 24 may be foldable to the side in order to, for example,
allow the
portion of the mounting hardware extending beyond the body of the backrest 20
to be
placed against the bottom of the backrest 20 or up to the side of the backrest
20 to allow
for easier storage. In an exemplary embodiment, the mounting hardware 24
includes an
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elongate mounting post attached to the back of the backrest 20 with fasteners.
In cases
where the frame is one piece, connectors may not be required.
[0041] Referring to the exemplary embodiments of FIG. 3B, the footer 30
includes an
elongate, substantially rectangular, panel, which may be foldable, having a
relatively
narrower dimension than the backrest 20, since the footer 30 serves, for
example, to cover
the bottom of the bed B, to connect the armrests 40, 50 together, and as a
place for the
user's feet to abut. Each opposite end of the footer 30 may include
connectors, for example,
mounting hardware or assembly 34, for connecting footer 30 to the respective
armrests 40,
50. In an exemplary embodiment, the mounting hardware 34 includes a mounting
bracket
attached to the back of the footer 30 with fasteners. Each mounting bracket
may include a
mounting slot 36 configured to mate with a corresponding bracket in the
respective
armrests 40, 50.
[0042] Referring to the exemplary embodiments of FIGS. 3C and 3D, examples of
the left
armrest 40 and the right armrest 50 form a base or foundation for the sofa
conversion
frame 10 allowing the backrest 20 and the footer 30 to be mounted and or
connected
thereon. In an exemplary embodiment, the frame 10 can be manufactured to be
one piece
(a unit), with 20, 30, 40, and 50 mounted and or connected. With particular
reference to the
exemplary embodiment of FIG. 3C, and example of the left armrest 40 may be a
trapezoidal
block having a width for comfortably supporting a user's arm. In an
embodiment, the rear
face of the armrests may be angled (angled meaning at an angle of other than
90 or 180
with respect to the ground). In an example of the embodiment, the armrests may
have
structure or connectors configured to allow the backrest to be connected at an
angle,
wherein the connection angle can be the same or different from the angle of
the rear face
of the armrests. In an embodiment, the backrest may be angled or curved such
that a part
of the backrest engaging the armrests may be at a different angle from the top
of part of the
backrest acting as a back support. In an embodiment, the armrest 40, for
example, at or
near an angled portion of the armrest 40, may include a connector, for
example, a mounting
bore, hole or recess 42, configured to receive a connector of the backrest 20,
for example,
one of the mounting posts 24 on the backrest 20. In an embodiment, the front,
bottom
inside portion of the left armrest 40 may include a connector, for example,
mounting
hardware or bracket 44 with a mounting slot 46, configured to connect with a
connector on
the footer 30, for example, with the corresponding mounting bracket 34 and
slot 36 on the
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footer 30. In an embodiment, a connector on the armrest for connecting the
armrest to the
footer may be placed on any portion of the armrest, for example, on the bottom
face, front
face or outside face. Since the right armrest 50 may be similarly configured,
corresponding
similar parts have been referenced with similar numbers (recess 52, bracket
54, and
mounting slot 56). The left and right armrests may be mirror-images of each
other, or may
be formed differently, for example, in shape, design, or type or arrangement
of connectors.
[0043] In an embodiment, an armrest 40, 50 may connect to the backrest 20
and/or the
footer 30 from the inside, outside, the end or a combination of points of
each. Further, the
armrest 40, 50 may connect to the backrest 20 and/or the footer 30 through
connectors
made of metal (e.g., hooks, nuts and bolts, screws, joints, mechanical locking
systems),
wood (e.g., dowels, joints, mechanical locking systems), composite materials,
or any
combination thereof. Connectors may be permanent or may be detachable pieces.
[0044] In an embodiment, the armrests may act as supports for connecting a
backrest, but
may not act as armrests, for example, not rising above the height of the upper
surface of the
bed comprising i) a conventional manufactured mattress, or ii) a conventional
manufactured
mattress and a box spring, or iii) a conventional manufactured mattress and a
two rail
frame, optionally with a box spring, for example the upper surface of the
mattress
regardless of configuration. In an embodiment, the height of the armrests may
be
adjustable in relation to the upper surface of the mattress. In an embodiment,
the length of
the backrest and/or footer may be adjustable to allow the frame to be
configured to various
size beds, for example various size mattresses. In an embodiment, the
connectors or
structure of the armrests and/or backrests may be adjustable to allow, for
example, the
backrest to recline to various positions. In an embodiment, the connectors or
structure of
the armrest and/or footer may be adjustable to allow, for example, the footer
to move
and/or angle up so that the footer acts as a footrest for a seated user.
[0045] In an embodiment, the sofa conversion frame 10 converts an existing bed
B
comprising i) a conventional manufactured mattress, or ii) a conventional
manufactured
mattress and a box spring, or iii) a conventional manufactured mattress and a
two rail
frame, optionally with a box spring, into a sofa. In an embodiment, the frame
allows for a
tool-less configuration for connecting the parts together results in a
relatively easy assembly
and disassembly while the foldable backrest 20 and footer 30 allows for easy
storage with
minimal space.
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[0046] It is to be understood that the sofa conversion frame 10 encompasses a
variety of
alternatives. For example, the sofa conversion frame 10 may be made from, for
example,
wood, plastic, steel and/or composites, and covered or not by fabrics. For
example, other
types of tool-less or substantially tool-less connecting configurations are
alternatives, such
as, for example, tongue and groove configurations, locking pins, wing nuts, or
presenting the
frame as a solid state unit, etc.
[0047] Additionally, it is understood that the sofa conversion frame 10 may be
used in
combination with any suitable desired accessories or other articles of
furniture. For
example, backrest 20 may be used in combination with, or include, for example,
as a unitary
article, a set of drawers, a cabinet or the like, allowing the frame 10 to
incorporate storage
functionality. It should be understood that any desired storage space or other
suitable
article of furniture may be incorporated into frame 10 without departing from
the spirit or
scope of the disclosure.
[0048] In an embodiment, the frame is provided without a mattress support
structure. In an
embodiment, the footer contacts the front face of the mattress. In an
embodiment, the
frame and/or pieces thereof may have curved and/or cushioned surfaces.
[0049] In an embodiment, the frame may include, optionally as a unitary
article, a storage
feature, which includes, for example, set of drawers, shelves, a cabinet or
the like,
positioned in at least one armrest and/or the backrest, allowing the frame to
incorporate
storage functionality.
[0050] FIG. 4A shows an embodiment with slats arranged on ridges. FIG. 4B
shows an
embodiment for a frame 100 according to an exemplary embodiment of the present
disclosure. The frame has a left side armrest 400, a right side armrest 500, a
backrest 200,
and a footer 300. There are connectors 600 for connecting the frame together,
the
connectors involving structure on the outside of the armrests. There are legs
700 under the
frame, which may be attached to the armrests 400, 500, and/or to the backrest
200 and
footer 300. The backrest 200 has a backrest ridge 250 that may be removable.
The footer
300 may have a footer ridge 350.
[0051] FIG. 5A shows an example of a backrest 200 and FIG. 5B shows an example
of a side
view of the backrest 200. The backrest 200 may be between about 56-84 inches
long, for
example, about 72 3/4 inches long. The bottom of the ridge 250 may be at the
bottom of the
backrest 200, or may be spaced about 0.5-24 inches from the bottom of the
backrest 200,
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for example, about 0.5 inches from the bottom of the backrest 200. The legs
700 may be
attached to the backrest 200 and may be about 1-12 inches tall, for example
about 8.5
inches tall. The backrest ridge 250 may be about 0.05-2 inches tall, for
example, about 1
inch tall. The examples shown in FIG. 5A and 5B may have connectors made of
metal (e.g.,
hooks, nuts and bolts, screws, joints, mechanical locking systems), wood
(e.g., dowels,
joints, mechanical locking systems), composite materials, or any combination
thereof.
Connectors may be permanent or may be detachable pieces and not visible from
the outer
side, as example when covered by upholstery.
[0052] FIG. 6A shows an example of a footer 300 and FIG. 6B shows an example
of a side
view of the footer 300. The footer 300 may be between about 56-84 inches long,
for
example, about 72 % inches long. The footer has a footer ridge 350 on an inner
surface
thereof that may be removable. Legs 700 (not shown) may be attached to the
footer 300
and may be about 1-12 inches tall, for example about 8.5 inches tall. The
footer ridge 350
may be about 0.05-2 inches tall, for example, about 1 inch tall. The examples
shown in FIG.
6A and 6B may have connectors made of metal (e.g., hooks, nuts and bolts,
screws, joints,
mechanical locking systems), wood (e.g., dowels, joints, mechanical locking
systems),
composite materials, or any combination thereof. Connectors may be permanent
or may be
detachable pieces and not visible from the outer side, as example when covered
by
upholstery.
[0053] FIG. 7A shows an inner side of armrest 400, where the connectors are
flush to the
side. FIG. 7B shows an outer side of armrest 400, where the connectors are not
flush to the
side, but in an embedment, could be flush with the side or not visible from
the outer side, as
example when covered by upholstery. FIG. 7C shows a side view of the armrest
400. The
armrest 400 may be between about 28-76 inches long, for example, about 38
inches long.
The armrest 400 may have an armrest ridge (not shown) on an inner surface
thereof that
may be removable. Legs 700 may be attached (or not attached) to the armrest
400 and may
be about 1-12 inches tall, for example about 8.5 inches tall. The armrest
ridge may be about
0.05-2 inches tall, for example, about 1 inch tall.
[0054] FIG. 8 is an example view of an embodiment for the bed to a sofa
conversion frame
800 according to an exemplary embodiment of the present disclosure.
[0055] Throughout this disclosure embodiments of a frame have been discussed.
The
disclosure further contemplates that all embodiments that directed to convert
a traditional
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bed comprising i) a conventional manufactured mattress, or ii) a conventional
manufactured
mattress and a box spring, or iii) a conventional manufactured mattress and a
two rail
frame, optionally with a box spring, into a sofa, means it is applicable to
convert a bed that
may comprise just a mattress, or just a mattress and box spring, just a
mattress and bed
frame, or just a mattress, box spring and bed frame. Further, the embodiments
are also
applicable to a bed that also has decorative features, such as a decorative
frame.
[0056] It is to be understood that the present invention is not limited to the
embodiments
described above, but encompasses any and all embodiments within the scope of
the
following claims.
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