Abstract: An armrest mechanism of a foldable sofa includes an outer support plate, an inner bracing plate, and a driving rod. The outer support plate and the inner bracing plate are respectively arranged at two sides of the driving rod. Multiple groups of crank rod assemblies are arranged on the driving rod, and the driving rod is individually hinged with the outer support plate and the inner bracing plate through the crank rod assemblies. Each crank rod assembly includes a first rod and a second rod. An end of the first rod is hinged with the inner bracing plate and the other end is hinged with the driving rod. An end of the second rod is hinged with the outer support plate and the other end is hinged with the driving rod. A gear structure is engaged between the first rod and the second rod.

Abstract: Described are extended display devices for a passenger compartment including a first display device and a second display device, the first display device positioned in an outer frame to face a passenger seat and the a second display connected with and positioned laterally relative to the first display, wherein the first and second displays are configured to simultaneously display information from two different sources. One or both display devices can be attached modularly within a void through the outer frame and within an insert that matches the inner boundary of the outer frame and matches the exterior boundary of the display device.

Abstract: A convertible sofa bed system positionable on a floor. The convertible sofa bed system includes a back support assembly having a frame, and a back cushion assembly connected with the back support assembly and movable between a raised condition and a lowered condition thereof. The system also includes one or more body modules secured to the frame. The body module includes an at least partially planar top surface positionable at a predetermined elevation above the floor. The body module is formed to cooperate with the back cushion assembly in the raised condition to define a seating configuration, and to cooperate with the back cushion assembly in the lowered condition to define a sleeping configuration.

Abstract: A convertible seat assembly comprises a seat sub-assembly rotatably coupled to a substantially flat base member. The seat sub-assembly comprises a back member having a substantially flat first side and second side with a seat member coupled to the second side. The seat sub-assembly is rotatable between a sleeping configuration and a seating configuration. In the sleeping configuration, the substantially flat first side of the back member and the substantially flat base member form a substantially flat horizontal sleeping surface for at least one person. In the seating configuration, the seat member is deployed as a seating region for at least one person.

Abstract: A furniture item includes a body including first side plates in a first direction, a second side plate on a first side in a second direction, and a horizontal stand that forms a horizontal surface extending from the second side plate; a floor plate part that is enabled to slide between a first position and a second position that is on the second side relative to the first position; a mattress part that is enabled to be placed on the floor plate part; and a cushion element that is enabled to be placed on the mattress part. An upper side surface of the mattress part extends at a height lower than a lower end of the horizontal stand, and a space is formed under a horizontal surface of the horizontal stand in a state in which the floor plate part is at the second position.

Abstract: An internal spring system resiliently supports a mattress in an item of furniture. The spring system includes a system of sinuous springs arranged between upper and lower wire grids. A movable extender assembly is mounted on the grids to accommodate a longitudinal shift between the upper and lower grids during folding of the spring system between open and closed positions.

Abstract: A seat convertible to a bed. The seat includes a locking mechanism for fixably maintaining a head panel section of the bed in a generally horizontal orientation when the bed is in the deployed configuration and releasing the head panel section from the deployed configuration by a lifting motion. The locking mechanism is connected to the head panel section and a mid-swinging member. The mid-swinging member pivotally attaches to the head panel section and a stationary mounting arm. The stationary mounting arm is fixably attached to a seat frame.

Abstract: A hospital bed provides improved handling of non-ambulatory patients and others who cannot easily be moved, such as to a hospital room toilet. The hospital bed includes a flexible mattress and a belt attached to the flexible mattress ends. The hospital bed frame has a pallet for supporting the flexible mattress and a chute attached to the frame beneath the pallet that receives the end of the flexible mattress. Multiple rollers direct the flexible mattress and belt. A motor supplies rotational force to one of the rollers and one of the rollers also provides for bending the flexible mattress to enter the chute, so that the end of the flexible mattress is guided underneath the pallet. A system includes the hospital bed with a detachable sanitary station. The sanitary station includes a toilet top and unites with the bed to deliver the patient to a position atop the toilet.

Abstract: A seat convertible to a bed. The seat includes a locking mechanism for fixably maintaining a head panel section of the bed in a generally horizontal orientation when the bed is in the deployed configuration and releasing the head panel section from the deployed configuration by a lifting motion. The locking mechanism is connected to the head panel section and a mid-swinging member. The mid-swinging member pivotally attaches to the head panel section and a stationary mounting arm. The stationary mounting arm is fixably attached to a seat frame.

Abstract: A sofa (10) includes a sofa base (13) and an addition (14) coupled to the sofa base. The sofa base has a seating area (18) between two end armrests (19) which includes spacing for back cushions (20), seat cushions (21), and an empty seating space (22). The addition has an L-shaped addition base (24) and a U-shaped addition cushion (25). The addition base has an inside corner (28) configured to nest the front corner of the sofa base. The U-shaped addition cushion is positioned upon the L-shaped addition base and a portion of the base seating area which could be occupied by a seat seating space. Thus, the addition cushion completely covers the addition base and the empty seating space or portion of the seating area directly adjacent the armrest which is surrounded by the addition cushion on three sides.

Abstract: A convertible stand for concealing an inflatable mattress that converts into a headboard when the inflatable mattress is inflated. The convertible stand has a compartment. A pliable material is connected to the inflatable mattress. A portion of the pliable material extends beyond an end of the inflatable mattress and is connected to an inner wall surface of the compartment. A barrier is connected to the convertible stand. When the barrier is oriented in an upper position the compartment is open and the inflatable mattress can be inflated. When the barrier is oriented in a lower position the compartment is closed and both the deflated inflatable mattress and pliable material are retained within the compartment of the convertible stand.

Abstract: A hospital bed provides improved handling of non-ambulatory patients and others who cannot easily be moved, such as to a hospital room toilet. The hospital bed includes a flexible mattress and a belt attached to the flexible mattress ends. The hospital bed frame has a pallet for supporting the flexible mattress and a chute attached to the frame beneath the pallet that receives the end of the flexible mattress. Multiple rollers direct the flexible mattress and belt. A motor supplies rotational force to one of the rollers and one of the rollers also provides for bending the flexible mattress to enter the chute, so that the end of the flexible mattress is guided underneath the pallet. A system includes the hospital bed with a detachable sanitary station. The sanitary station includes a toilet top and unites with the bed to deliver the patient to a position atop the toilet.

Abstract: A seating unit having a foldable bed includes: a base with an internal cavity and a rear wall; a foldable bed that includes separate and distinct head, intermediate and seat sections, wherein in a folded position, the intermediate and seat sections are generally horizontally disposed and positioned in vertically stacked relationship, and the head section is generally vertically disposed and positioned adjacent the rear wall of the base, and in an unfolded position, the head, intermediate and seat sections are generally horizontally disposed and in serial alignment with each other; and a bed folding mechanism that is attached to the base and the head, intermediate and seat sections that controls the movement of the bed between the folded and unfolded positions.

Abstract: A premium class passenger suite that includes a main seat positioned in the suite together with separate bed. The bed has a flexible mattress of predetermined dimensions and is movable between a stowed position to one side of the main seat and a deployed position above and separate from the main seat. A drive apparatus is provided for driving the bed between the stowed and deployed positions. The main seat is configured to be movable between a seating position when the bed is stowed, and a stowed position with a lowered seat back when the bed is deployed for use.

Abstract: An articulated sofa bed has a compact profile while folded with the seat cushions residing at a comfortable and ergonomic height and an esthetically pleasing streamlined appearance. The sofa bed includes swinging members for controlling the configuration of the head and middle panel assemblies as the bed deploys or retracts between a folded configuration and a deployed configuration, including (i) a rear-swinging member and a mid-swinging member for pivotally attaching between a head panel assembly and a mounting arm and (ii) a front-swinging member for pivotally attaching between a middle panel assembly and the mounting arm. A locking mechanism is pivotally connected between a head panel assembly and a mid-swinging member and between the head panel assembly and a connecting arm operatively linked to the middle panel assembly to fixably maintain the head panel assembly in a generally horizontal position when the bed is in the deployed configuration.

Abstract: A seat box assembly and method of fabricating utilizing a drop-in webbing assembly secured into a main box and back frame assembly. The webbing assembly has a rectangular frame with elongate members and shorter members and a central girder with a cutout extending between mid-portions of the elongate members. The central girder attachable to the seat box and a central vertical frame member of the back frame assembly. The elongate members having stub portions that fit into slots in the main seat box. A method of repair includes replacing a damaged drop-in assembly with a different drop-in assembly.

Abstract: A bed to a sofa conversion frame, without a seating area, a space reserved for the traditional bed, which is 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. The bed to a sofa conversion frame includes a backrest, a footer (optional) and a pair of armrests configured to be connected as a solid state and or assembled together to form a sofa frame around a traditional bed, wherein the backrest comprises a horizontally-extending backrest ridge configured to hold and secure, directly or indirectly, a conventional manufactured mattress and when used as an option the footer comprises a horizontally-extending backrest ridge configured to hold and secure, directly or indirectly, a mattress. The pair of armrests forms a base for mounting the backrest and the footer via corresponding mounting hardware and mounting slots.

Abstract: A sofa configured to be converted into various positions, including a sofa, lounge, bed and chaise position. The sofa includes a seat deck and a backrest. Further, the sofa includes a first type of click-clack mechanisms placed between the seat deck and backrest which are used to convert the sofa to the lounge or bed position. Also, the sofa includes a second type of click-clack mechanisms placed throughout the seat deck and backrest. These are used to convert the sofa to one of two possible chaise positions. In particular, these click-clack mechanisms enable the sides of the seat deck and backrest to be raised to various levels (e.g., 20 degrees, 40 degrees). As a result, opposing sides of the seat deck and backrest can be raised at the appropriate level thereby providing two individual chaises facing one another.

Abstract: Convertible seat which can be located in public places which seat comprises a seat part (1) and a back rest (3) in which case the back rest (3) can be turned in relation to the seat part (1), mechanism (9) in order to convert the seat essentially into a horizontal plane to become a resting surface, equipment in order to secure the items of the user, equipment in order to collect the use charge and equipment in order to cover the seat which has been converted to become at least a resting surface to become at least a partly closed resting space in which case the equipment in order to cover the resting space comprises a covering device (16) with a standard width which can be moved from the back part of the seat forward which covering device comprises control elements (7) which are installed at the both sides of the seat to such height that a needed resting space is formed underneath the covering device (16).

Abstract: A set includes two blocks each of two seats convertible for lying down, wherein the two blocks are arranged with the seats of one block face-to-face with the seats of the other block inside a circumscribed rectangle. Each block includes a first seat and a second seat. The first seats of the two blocks are arranged along a first diagonal of the circumscribed rectangle and the longitudinal axes of the first seats are oriented so that their directions are close to the first diagonal and the first seats are substantially face-to-face. The distance between the two first seats is such that a foot area of a first seat of a block is superposed when seen from above with a foot area of the first seat of the other block. In the recumbent configuration, the planes to lie down on of the two first seats are at different heights.

Abstract: A foldable sofa mattress and method for storing within low profile furniture. The mattress includes a transition section disposed between different collapsible sinuous spring sections. The sinuous spring sections are pivotably joined to the transition section and the sections are affixed to upper and lower grids for support. A method for storing a foldable mattress includes the steps of providing a mattress with a transition section disposed between two collapsible sections, extending opposing pairs of straps from the transition section to each of the separate collapsible sections, and bending the mattress. The method further includes the steps of flattening the two collapsible sections, placing the flattened sections on top of one another, and storing the folded mattress in a cavity.

Abstract: An improved passenger vehicle with an adjustable seat is described. The seat is provided with a frame which includes a back subframe having a backrest cushion, a seat subframe with a seat cushion and a fastening subframe. The fastening subframe is suitable for mutually fastening the back subframe to the seat subframe, and/or is suitable for attaching one of the back subframe and seat subframe, or both, to a floor of the passenger vehicle. The frame can be adjusted between a seating position and a sleeping position. The upper side of the seat cushion in the sleeping position is situated below the upper side of the seat cushion in the seating position.

Abstract: An adjustable and transformative two or three sided sofa is provided with two backrests, a seat bottom, one or two motion systems and release systems and also two of the present methods have two or four folding legs which are used for its one or two beds. In the present sofa, another sofa is embedded under each sofa so that another sofa will be formed by 180 or 90 degrees rotation of each sofa. In the present methods a part of sofa such as backrest, seat bottom or legs need to be adjusted by the motion system before or after rotation. Each model includes two or three sofa. The motion mechanisms of the two or three sided sofa can be replaced by other systems such as the manual simple lockable systems, linear gear systems, accompanied by electromotor systems, pneumatic systems or any similar systems.

Abstract: The present invention is related to inflatable devices, and, more specifically, to inflatable devices in combination with rigid surfaces and a method for deflating an inflatable device. According to one embodiment of the present invention an inflatable device is provided. The inflatable device includes a substantially fluid impermeable bladder and an outlet in the bladder. The inflatable device also includes a first substantially rigid surface in contact with a first surface of the fluid impermeable bladder and a second substantially rigid surface in contact with the first surface of the fluid impermeable bladder. In this embodiment, the first and second substantially rigid surfaces collectively are in contact with more than half of the first surface of the fluid impermeable barrier. According to another embodiment of the present invention, a method of deflating an inflatable device is provided.

Abstract: A hinge assembly includes a linkage base adapted to be secured to a portion of a furniture sidewall, an elongate first linkage arm, and an elongate second linkage arm. The hinge assembly may also include an insert member assembly that includes an elongate first insert member, an elongate second insert member, a pivot assembly to pivotably couple the first insert member to the second insert member, and an insert linkage arm that is coupled to the first insert member. The first linkage arm and the second linkage arm are each pivotally coupled to the linkage base and the insert linkage arm. The first insert member may be releasably coupled to a first rear receiving member secured to a first furniture portion and the second insert member may be releasably coupled to a first front receiving member secured to a second furniture portion.

Abstract: An articulated sofa bed has a compact profile while folded with the seat cushions residing at a comfortable and ergonomic height and an esthetically pleasing streamlined appearance. The sofa bed includes swinging members for controlling the configuration of the head and middle panel assemblies as the bed deploys or retracts between a folded configuration and a deployed configuration, including (i) a rear-swinging member and a mid-swinging member for pivotally attaching between a head panel assembly and a mounting arm and (ii) a front-swinging member for pivotally attaching between a middle panel assembly and the mounting arm. A locking mechanism is pivotally connected between a head panel assembly and a mid-swinging member and between the head panel assembly and a connecting arm operatively linked to the middle panel assembly to fixably maintain the head panel assembly in a generally horizontal position when the bed is in the deployed configuration.

Abstract: A multifunctional furniture includes a stationary seat frame, a supporting frame, a back frame pivotally connected to the stationary seat frame to move between a sitting mode and a bedding mode, and a leg frame arrangement, which is provided underneath the stationary seat frame, the back frame and the supporting frame. When the back frame is in the sitting mode, the back frame is pivotally extended from the leg frame arrangement to form a predetermined angle of inclination with respect to the stationary seat frame while the leg frame arrangement is arranged to support the stationary seat frame, wherein when the back frame is in the bedding mode, the back frame is pivotally moved to align with the seat frame to form a sleeping area, while the leg frame arrangement is operated to provide extensive support to both the back frame, the stationary seat frame and the supporting frame.

Abstract: The present invention relates to a variable-size bed (10) comprising a mattress core (16) and a base (14), which base is adapted to support at least a portion of the mattress core, wherein the mattress core and base have adjustable widths or lengths and each of the mattress core and base is changeable between an expanded state and a contracted state corresponding to an expanded state and a contracted state of the bed, respectively, and wherein the bed further comprises a cover means adapted to provide covering over the mattress core in both the expanded state and the contracted state of the bed. The present invention also relates to a vehicle comprising such a variable-size bed.

Abstract: Improved methods and apparatuses relating to installation of a sleeper mechanism into a frame of a sofa sleeper are disclosed. In one embodiment, initially the frame is aligned such that an open bottom portion of the frame is upright and facing outwardly. The sleeper mechanism is then advanced towards the open bottom portion and hook apertures on the brackets are engaged with upper fasteners on the frame. The sleeper mechanism is then swung inwardly towards the top portion of the frame until notches on the bracket are passed lower fasteners on the frame and then swung back towards the open bottom portion to engage the notches with the lower fasteners.

Abstract: A sofa is convertible to a bed. An air mattress normally stored in deflated condition in the sofa, is automatically deployed upon opening a folded framework into a bed. An electric pump inflates or deflates the mattress. A bag enclosing the bottom and sides of the mattress, is zipped onto the mattress, and has hook-and-loop fasteners securing it to strategic locations on the framework. The conversion from sofa to bed, and back to sofa, is done without removing any cushions and without moving the sofa away from anything behind it.

Abstract: A daybed is disclosed that is convertible between a sitting configuration suitable for use, for example, as a sofa, and a lying configuration suitable for use, for example, as a bed. The daybed generally comprises a bed platform, a back panel connected to the bed platform, a mattress positioned at least partly on the bed platform, and a support member movable relative to the bed platform and back panel for use in at least partly helping convert the daybed. For example, in example embodiments the support member includes a storage container that may be positioned at least partly under the bed platform when the daybed is in the sitting configuration. And the storage container may be moved forward of the bed platform when the daybed is converted to the lying configuration so that at least part of the mattress may be also positioned on the storage container.

Abstract: A foldable mattress and removable pillow top with a means for releasable attachment is not damaged during excessive folding such as when used in a sofa bed. Fastening pairs comprising zippers affixed to the mattress and pillow top in opposing complementary fashion with a wide fold space defined therebetween allow the mattress and attached pillow top to be repeatedly folded and unfolded and avoid crimping and damage to the zipper halves, mattress and attached pillow top.

Abstract: A furniture assembly supportable on a floor surface comprising first, second, and third structures. In a first configuration, the first, second, and third structures are detached from each other. In a second configuration, the first structure is detachably attached to the second structure and the first structure is detachably attached to the tertiary structure such that the at least three primary support portions, the at least one first secondary support portion, and the at least one first tertiary support portion engage the floor surface to support the primary base portion, the secondary base portion, and the tertiary base portion in a substantially planar arrangement to define a reclining surface. In a third configuration, the first structure is detachably attached to the second structure and the third structure is detachably attached to the second structure.

Abstract: A bed to a sofa conversion frame includes a backrest, a footer (optional) and a pair of armrests adapted to be solid state or assembled together to form a sofa frame around a traditional bed and it base frame. The pair of armrests forms a base for mounting the backrest and the footer via corresponding mounting hardware and mounting slots. Both the backrest and the footer may be a solid state unit or an assembly and/or foldable to provide easy storage.

Abstract: A sofa configured to be converted into various positions, including a sofa, lounge, bed and chaise position. The sofa includes a seat deck and a backrest. Further, the sofa includes a first type of click-clack mechanisms placed between the seat deck and backrest which are used to convert the sofa to the lounge or bed position. Also, the sofa includes a second type of click-clack mechanisms placed throughout the seat deck and backrest. These are used to convert the sofa to one of two possible chaise positions. In particular, these click-clack mechanisms enable the sides of the seat deck and backrest to be raised to various levels (e.g., 20 degrees, 40 degrees). As a result, opposing sides of the seat deck and backrest can be raised at the appropriate level thereby providing two individual chaises facing one another.

Abstract: One embodiment of an article of transformable furniture comprising movable and removable cushioned components that have specific relative dimensions and forms that allow for a minimum of three furniture configurations. Two of the components being wedge-like cushioned pieces (21a, 21b) designed specifically to be arrangeable in manner providing one configuration selected from the group consisting of a couch, a chaise longue, or a small bed.

Abstract: A sofa is convertible to a bed. An air mattress normally stored in deflated condition in the sofa, is automatically deployed upon opening a folded framework into a bed. An electric pump inflates or deflates the mattress. A bag enclosing the bottom and sides of the mattress, is zipped onto the mattress, and has hook-and-loop fasteners securing it to strategic locations on the framework. The conversion from sofa to bed, and back to sofa, is done without removing any cushions and without moving the sofa away from anything behind it.

Abstract: A person-support apparatus comprises a frame and an endboard. The frame is configured to move between a substantially horizontal position and a chair position. The endboard assembly includes a base coupled to the frame and an endboard removably coupled to the base. The endboard is coupled to a first portion of the base in a first position to define a first portion of a perimeter edge of the frame and coupled to a second portion of the base in a second position to define a second portion of the perimeter edge of the frame.

Abstract: A convertible sofabed is a sofa when closed in a sitting position and a bed when opened in a sleeping position. A retractable support structure can be telescoped from the sofa to form, in conjunction with the sofa, a bed that is longer than the depth of the sofa in its sitting position. The mattress in the sleeping position is folded in three portions, a fixed portion, a central portion and an outer portion. The outer portion forms a sofaback in the sitting position and the central portion folds to lie on top of the fixed portion to form the seat of the sofabed. The support structure includes curved legs that travel easily over the floor without causing damage.

Abstract: A bed to a sofa conversion frame includes a backrest, a footer (optional) and a pair of armrests adapted to be solid state or assembled together to form a sofa frame around a traditional bed and it base frame. The pair of armrests forms a base for mounting the backrest and the footer via corresponding mounting hardware and mounting slots. Both the backrest and the footer may be a solid state unit or an assembly and/or foldable to provide easy storage.

Abstract: A passenger seat system including a plurality of seat modules, in which each seat module may be configured to form a more or less flat bed. The seat modules are arranged side by side in longitudinally offset relative positions, and each seat module is configured to form a bed from a convertible seat and a fixed footrest. The footrest is integrated into a box structure, which includes an upper surface arranged as a fixed shelf for the passenger in the adjacent seat module.

Abstract: A mechanism for mounting a foldable-bed unit in an article of furniture is described. A pair of mounting plates each including a first and second bracket is mounted on opposite ends of a cavity in the article of furniture. The brackets include a U-shaped slot configured to accept a fixture having an enlarged head. A retaining tab is included within one or more of the brackets to retain the fixture therein. The first brackets are located rearwardly of the second brackets and at an angle such that the slot therein is tilted forwardly. The second brackets are oriented to provide a generally vertical orientation to the slots therein. A foldable-bed unit having fixtures corresponding to each of the brackets is installed into the article of furniture by inserting corresponding fixtures into the first brackets. The foldable-bed unit is rotated to insert the remaining fixtures into the second brackets.

Abstract: A mechanism for mounting a foldable-bed unit in an article of furniture is described. A pair of mounting plates each including a first and second bracket is mounted on opposite ends of a cavity in the article of furniture. The brackets include a U-shaped slot configured to accept a fixture having an enlarged head. A retaining tab is included within one or more of the brackets to retain the fixture therein. The first brackets are located rearwardly of the second brackets and at an angle such that the slot therein is tilted forwardly. The second brackets are oriented to provide a generally vertical orientation to the slots therein. A foldable-bed unit having fixtures corresponding to each of the brackets is installed into the article of furniture by inserting corresponding fixtures into the first brackets. The foldable-bed unit is rotated to insert the remaining fixtures into the second brackets.

Abstract: A folding furniture structure for converting between a folded seating condition and an unfolded sleeping condition comprises a floor-supported base, and plural frame sections supported on the base. The frame sections include a first seat section fixed to the base in a horizontal orientation, a second seat section having one side pivotally connected to a forward side of the first seat section, and a seat back section pivotally connected to an opposite side of the second seat section. The frame sections are movable between the folded seating condition with the second seat section pivoted into overlying superposed face abutment to the first seat section and the seat back section extending angularly upwardly from the second seat section for use as a seat, and the unfolded sleeping condition with the second seat section and the seat back section aligned horizontally with the first seat section for use as a bed.

Abstract: A method and sofa for converting the sofa into a bed. A seat back of a sofa bed is pulled and rolled out using roll out wheels concealed underneath the seat back as they glide across a track mechanism (also concealed underneath the seat back) until the roll out wheels lock into place. The back rest is pushed down until the back rest is level with the pulled-out seat bed thereby forming a regular-sized bed. In this manner, a sofa bed may be easily converted from the “sofa” position to the “bed” position while forming a regular-sized bed.

Abstract: A universal furniture system may include a front side of the back side opposed to the front side, the front side may include a convertible sofa bed to convert to a sofa or bed, a first set of drawers at a first end of the front side, a second set of doors at a second end of the front side, and the back side may include a closet for clothes, a first set of drawers at a first end of the back side, and a second set of drawers at a second end of the back side. A first side section may include the first set of drawers at the first end of the front side and the first set of drawers at the second end of the front side and a second side section may include the second set of drawers at the first end of the front side and the second set of drawers at the second end of the back side.

Abstract: A lie-able sofa comprises a seat having a seat frame; in side the seat frame of the seat having at least one an oblong frame and at least one short frame; a hollow space being formed between the oblong frame and the short frame; a back frame uprightly installed to a backside of the seat; each bridge unit being formed by two connecting sheets being arranged at an upper side and a lower side; a nut and a stud serving to lock the two connecting sheets together; each connecting sheet having two cambered sheets at two sides thereof; as the two connecting sheets are combined, the cambered sheets of different connecting sheets being formed with a space for receiving the main support tube. By above structure, the oblong frame and the short frames are retained to the seat.

Abstract: This invention is directed to a sofa sleeper mechanism having a head section, a main middle section, a secondary middle section and a foot section. The head section has a head end and an end opposing the head end. The foot section has a foot end and an end opposing the foot end. The opposing end of the head section is pivotally connected to the main middle section, which is pivotally connected to the secondary middle section, which is pivotally connected to the opposing end of the foot section. The sofa sleeper mechanism is movable from a stowed position to an extended position, wherein, in the stowed position, the uppermost edge of the head end does not extend substantially above the folded foot section.

Abstract: A multi-angle hook fastened to an extension member, that is used to stop the extension from completely pulling out of the frame it sits in. When fully extended, the multi-angle hook allows at least three different holding positions, seen as three different angles that the extension sits at while using the multi-angle hook as its fixed point of pivot. The multi-angle hook is a metal, plastic, or wood plate bent along several parallel lines, across its width, at varying angles. An L-shaped hinge which is used to secure a side rail-less frame member to another frame member, to avoid undue stress on the side rail-less frame member. The L-shaped hinge is a metal, plastic, or wood plate which substantially conforms to a portion of a side rail-less frame member.

Abstract: A sofa has a first frame fixed to first and second side members and a mattress with a first section secured to the first frame and a second section located over the first section by a hinge to define a seat that is rotated about the hinge to define a first sleeping surface. A second frame is pivotally attached to the first and second side members with a second mattress attached thereto to define a back for the sofa. A rail is secured to the second frame and engages a beam that extends between the first and second side member to set an incline for the back. The rail is rotated to define a barrier when the second frame is positioned a horizontal plane to define a second sleeping surface. Legs that extend from the second frame engage the side members to retain the second mattress in the horizontal plane.