An adjustable bed includes a frame structure having a back frame and a foot frame; a back lifting assembly comprising a back lifting bracket pivotally connected to the back frame, and a back lifting actuator pivotally connected between the back lifting bracket and the back frame for operably driving the back lifting bracket to pivotally move in an upward rotating direction or a downward rotating direction relative to the back frame; and a plurality of platforms comprising at least a head platform and a back platform hinged to the head platform supported by the back lifting bracket such that angles and positions of the head platform and the back platform are adjustable in accordance with the back lifting bracket.
The lumbar support mechanism and an adjustable bed therewith. The lumbar support mechanism includes a lumbar support member; first, second, third and fourth support legs; a linkage member; and first and second lumbar support brackets attached onto the adjustable bed. Upper ends of the first and second support legs are pivotally connected to the lumbar support member, and lower ends of the first and second support legs are pivotally connected to the linkage member, respectively. Upper ends of the third and fourth support legs are pivotally connected to the first and second support legs, respectively, and lower ends of the third and fourth support legs are pivotally connected to the first and second lumbar support brackets, respectively. As such, a distance between the lumbar support member and the linkage member is changeable between minimal and maximal distances when the linkage member moves between first and second positions.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 19/02 - Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
A47C 20/12 - Head-, foot- or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously using rods using telescopic rods
Sofa beds; adjustable beds; furniture; sofas; containers,
not of metal [storage, transport]; work benches; mirror
frames; picture frames; rattan furniture; works of art of
wood, wax, plaster or plastic; signboards of wood or
plastics; decorations of plastic for foodstuffs; kennels for
household pets; identification bracelets, not of metal;
furniture fittings, not of metal; window fittings, not of
metal; cotton-padded mattress. Wall hangings of textile; household linen; wash cloths;
mattress covers; bed covers; bedsheets [linen]; pillowcases;
bed blankets; covers [loose] for furniture. Provision of an online marketplace for buyers and sellers of
goods and services; goods import-export agencies;
systemization of information into computer databases;
book-keeping; rental of sales stands; rental of vending
machines; sponsorship search; wholesale services for
pharmaceutical, veterinary and sanitary preparations and
medical supplies.
A foldable bed includes platforms, first and second support structures for supporting the platforms, and a pair of connection mechanisms for pivotally connecting the first and second support structures such that the first and second support structures are pivotally foldable relative to one another. The first support structure has a pair of first side rails transversely spaced and longitudinally aligned; an upper rail having two ends respectfully connected to the upper ends of the pair of first side rails; and a mounting support bar connected to the pair of first side rails and being parallel to the upper rail. The second support structure has a pair of second side rails transversely spaced and longitudinally aligned; and a lower rail having two ends respectfully connected to the lower ends of the pair of second side rails.
An adjustable bed includes a frame structure comprising: a base structure having a base body and a back support member pivotally connected to the base body; and a bed frame slidably arranged on the base body of the base structure; a driving mechanism comprising a back lifting actuator having a first end and an opposite, second end pivotally connected to the base structure and the bed frame, respectively; and a plurality of platforms including a seat platform fixed to the bed frame and a back platform hinged to the seat platform and pivotally supported by the back support member, such that in operation the back lifting actuator drives the bed frame to slidably move on the base body of the base structure, which in turn drives the back platform to translationally and rotationally move in desired positions and angels relative to the base structure.
A hinge device for hinging two objects includes first and second hinging bodies configured to respectively connect to the two objects. Each of the first and second hinging bodies has a housing defined therein. The hinge device also includes first and second connection members placed in the housings of the first and second hinging bodies. The first and second ends of each first connection member are bent from the body. The first and second hinging bodies are pivotally connected to each other through the first connection members and the second connection members, such that the first hinging body and the second hinging body are rotatable relative to each other, thereby hinging the two objects.
An adjustable bed includes a frame structure having a first frame, a second frame, and a pair of connection bars detachably connecting the first frame and the second frame to one another; a plurality of platforms having two or more back platforms disposed on the first frame and two or more lower limb platforms disposed on the second frame; and an adjustable assembly comprising two or more back lifting assemblies coupled with the first frame and two or more leg lifting assemblies coupled with the second frame for individually adjusting each of the two or more back platforms and the two or more lower limb platforms in desired positions.
An elastic base structure and a piece of upholstered furniture therewith. The elastic base structure includes a base frame comprising a pair of first support rods and a pair of second support rods connected to the pair of first support rod to form a square or rectangular structure; a plurality of serpentine springs; and a plurality of double-branched hook clips. Each serpentine spring has two oppose ends disconnectably connected to two double-branched hook clips that are in turn disconnectably connected to the pair of first support rods, respectively, such that the plurality of serpentine springs are parallel to each other.
An elastic base structure and a piece of upholstered furniture therewith. The elastic base structure includes a base frame comprising a pair of first support rods and a pair of second support rods connected to the pair of first support rod to {bon a square or rectangular structure; a plurality of serpentine springs; and a plurality of double-branched hook clips. Each serpentine spring has two oppose ends disconnectably connected to two double-branched hook clips that are in turn disconnectably connected to the pair of first support rods, respectively, such that the plurality of serpentine springs are parallel to each other.
A47C 7/35 - Combinations of different types of springsAdjustable springsAttachment of springs to other springs or to frame
A47C 7/30 - Seat parts with tensioned springs, e.g. of flat type with springs meandering in a flat plane
A47C 23/16 - Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springsDivan basesSlatted bed bases using tensioned springs, e.g. of flat type of plane meandering type
A47C 23/26 - Frames thereforConnecting the springs to the frame
An adjustable bed includes a frame structure having a first frame, a second frame, and a pair of connection bars detachably connecting the first frame and the second frame to one another; a plurality of platforms disposed on the frame structure; and an adjustable assembly coupled with the frame structure for operably adjusting one or more of the plurality of platforms in desired positions.
A47C 20/00 - Head-, foot- or like rests for beds, sofas or the like
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
14.
Adjustable bed with no hinging connections of platforms
An adjustable bed includes a frame structure; an upper support bracket and a lower support bracket pivotally connected to the frame structure; a plurality of platforms disposed on the frame structure and supported by the upper support bracket and the lower support bracket without using hinging means; and an adjustable assembly coupled with the frame structure and the upper support bracket and the lower support bracket for operably adjusting one or more of the plurality of platforms in desired positions.
A47C 20/00 - Head-, foot- or like rests for beds, sofas or the like
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 21/00 - Attachments for beds, e.g. sheet holders or bed-cover holders Ventilating, cooling or heating means in connection with bedsteads or mattresses
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
A61M 21/02 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
A61M 21/00 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
A bed system with multiple functions includes a frame structure; a plurality of platforms disposed on the frame structure; an adjustable assembly coupled with the frame structure and the plurality of platforms for operably adjusting one or more of the plurality of platforms in desired positions; a plurality of fans mounted onto openings in the plurality of platforms and adapted for operably providing air circulation in a surrounding space of the bed system, and an aromatherapy system attached onto the one or more platforms for producing desired fragrance in the surrounding space so as to promote health and well-being of a user. Each aromatherapy device is configured to produce a fragrance when said aromatherapy device is turned on, and one or more working modes. The fragrance is identical to or different from that produced by other aromatherapy device of the one or more aromatherapy devices.
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
A47C 21/04 - Devices for ventilating, cooling or heating
A47C 27/15 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
A47C 27/14 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with foamed material inlays
A47C 27/05 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with spring inlays with foamed material in top, bottom, or side layers
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A61M 21/02 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
A three section foldable bed includes a plurality of boards comprising an upper board, a middle board, and a lower board; a support assembly for supporting the plurality of boards, wherein the support assembly includes a first support structure for supporting the upper board, a second support structure for supporting the middle board, and a third support structure for supporting the lower board; a pair of first connection mechanisms for connecting the first support structure and the second support structure such that the first support structure and the second support structure are pivotally foldable relative to one another at the pair of first connection mechanisms; and a pair of second connection mechanisms for connecting the second support structure and the third support structure such that the second support structure and the third support structure are pivotally foldable relative to one another at the pair of second connection mechanisms.
A foldable bed includes a plurality of boards comprising an upper board, a middle board, and a lower board; a support assembly for supporting the plurality of boards, wherein the support assembly includes a first support structure for supporting the upper board and the middle board, and a second support structure for supporting the lower board; and a pair of connection mechanisms for connecting the first support structure and the second support structure such that the first support structure and the second support structure are pivotally foldable relative to one another at the pair of connection mechanisms.
A control system and a bed with the control system. The control system includes a signal acquisition and processing module; a control box coupled to the signal acquisition and processing module; and a controller coupled to the control box. The signal acquisition and processing module is configured to acquire user sleep data from a user of the bed, process the acquired user sleep data, and transmit the processed user sleep data to the control box. The control box is configured to receive the processed user sleep data from the signal acquisition and processing module, generate operation instructions based on the received user sleep data, and send the operation instructions to the controller. The controller is configured to perform corresponding operations based on the operation instructions received from the control box.
The invention relates to a remote control, an adjustable bed and a remote control method thereof. The remote control includes a mode control switch having three position states including an R side position, a middle position and an L side position, and being operably slidable in one of the three position states; a monitoring unit configured to detect the position state of the mode control switch; and a control unit coupled to the monitoring unit and configured to receive the position state of the mode control switch, determine a control mode of the adjustable bed accordingly, and send a matching instruction to one or both of the first and second controllers of the first and second bed units based on the determined control mode so as to establish a matching connection of the remote control with said one or both of the first and second controllers.
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A bed includes a mattress; a heating member coupled to the mattress and configured to operably generate heat for the mattress; a temperature detector disposed on the mattress for detecting temperature of the mattress; and a controller coupled with the heating member and the temperature detector and configured to receive and process signals of the temperature detected from the temperature detector and control operations of the heating member based on the temperature signals.
A47C 21/04 - Devices for ventilating, cooling or heating
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A bed with a vibroacoustic therapy system that combines the relaxation power of body sonic energy massage, soothing low-frequency sound waves, and the healing power of users' favorite music to deliver the ultimate in stress reduction, pain relief, increases of circulation and mobility for the users. The bed includes a frame structure; a plurality of platforms disposed on the frame structure; and one or more massage devices spatial-separately installed on the plurality of platforms. The one or more massage devices comprises sonic vibrators or music based vibrators. The one or more massage devices are operable individually or cooperatively with a remote control, and/or a smart mobile device.
A47C 21/00 - Attachments for beds, e.g. sheet holders or bed-cover holders Ventilating, cooling or heating means in connection with bedsteads or mattresses
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A61M 21/02 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
A61H 1/00 - Apparatus for passive exercisingVibrating apparatusChiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
A foldable bed includes a bed frame structure having a back frame and a leg frame connecting to the back frame such that the back frame and the leg frame are pivotally foldable relative to one another along a length direction of the foldable bed; and a plurality of boards detachably attached onto the bed frame structure along the length direction of the foldable bed, wherein each board comprises a pair of panels arranged along a width direction of the foldable bed.
A driving mechanism and an adjustable bed have the same. The driving mechanism includes a housing; a driving assembly being placed in the housing and comprising at least one driving member and at least one driving block connected to the at least one driving member; and at least one transmission structure configured to connect to a lifting mechanism of the adjustable bed. The at least one transmission structure is pivotally connected to the housing and the at least one driving block, such that when the at least one driving member drives the at least one driving block to move linearly, the movement of the at least one driving block causes the at least one transmission structure to rotate.
An adjustable bed system includes first and second frames; a back lifting assembly having a back lifting bracket pivotally connected to the first frame and a back lifting actuator pivotally connected between the back lifting bracket and the first frame for operably driving the back lifting bracket to pivotally move in an upward or downward rotating direction relative to the first frame; a leg lifting assembly having a leg lifting bracket pivotally connected to the second frame structure and a leg lifting actuator pivotally connected between the leg lifting bracket and the second frame for operably driving the leg lifting bracket to pivotally move in an upward or downward rotating direction relative to the second frame; and a foldable connection mechanism connecting the first and second frames such that the first and second frames are pivotally foldable relative to one another at the connection mechanism.
The lumbar support mechanism and an adjustable bed having the same. The lumbar support mechanism includes first and second lumbar lifting assemblies. Each lumbar lifting assembly has a fixing bracket, a first support leg, a second support leg, a bearing member, and a lifting support bracket. The first support leg is pivotally connected between the bearing member and the lifting support bracket. The second support leg is pivotally connected between the fixing bracket and the first support leg. A lumbar support member is connected to the lifting support brackets of the first and second lumbar lifting assemblies. A linkage member is pivotally connected to the bearing members of the first and second lumbar lifting assemblies such that the lumbar support member is operably movable between a retracted position and an ejected position when the linkage member moves between first and second positions.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 19/02 - Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
A47C 20/12 - Head-, foot- or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously using rods using telescopic rods
26.
FOLDABLE CONNECTION MECHANISM AND ADJUSTABLE BED SYSTEM THEREWITH
An adjustable bed system includes a base frame structure having first and second frames and a foldable connection mechanism connecting the first and second frame such that the first and second frames are pivotally foldable relative to one another at the foldable connection mechanism. The foldable connection mechanism has at least one connecting bracket assembly, each of which includes a first hinge bracket having first and second end portions, and a second hinge bracket having first and second end portions. The first and second hinge brackets are pivotally connected to one another through a pivot at the first ends. The first and second hinge brackets are respectively mounted on two adjacent end portions of the first and second frames such that the first and second frames are capable of positioning in a plane state or a folded state.
An adjustable bed with a smooth transitional profile includes a pair of lifting assemblies each having back lifting arm and a lumbar supporting mechanism coupled with the back lifting arm such that when the back lifting arm is positioned in parallel to a co-plane of the pair of side rails, the seat platform, the top back platform and the lower back platform are aligned in a co-plane, and the adjustable bed is in a plane state; and when the back lifting arm is driven to rotate in the upward or downward rotation direction, the lower back platform has an angle relative to the top back platform, the angle being less than 180° and greater than 90°; and the adjustable bed is in an adjusted state.
An adjustable bed includes a head frame assembly, a first slidable assembly having a slidable assembly base and slidable assembly sides slidable within lower C steel brackets; head lift arm bracket assemblies pivotally connected to the slidable assembly sides; and a head lift platform mounted on the head lift arm bracket assemblies, an upper seat platform mounted on the first slidable assembly, and a lower seat platform movably attached onto the higher C steel bracket; a second slidable assembly with a spacing bracket having a guiding slot mounted on the slidable assembly base and the fixing bracket being mounted on the lower seat platform, and the connecting bolt mounted on the fixing bracket and received in the guiding slot; and a head lift motor secured to the head frame assembly for operably driving the head lift arm bracket assemblies in head lift forward or backward direction.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 21/00 - Attachments for beds, e.g. sheet holders or bed-cover holders Ventilating, cooling or heating means in connection with bedsteads or mattresses
29.
Lumbar support mechanism and head tilt mechanism and adjustable bed therewith
The lumbar support mechanism and an adjustable bed having the same. The lumbar support mechanism includes a lumbar support member; first, second, third and fourth support legs; a linkage member; and first and second lumbar support brackets operably attachable to a back platform of the adjustable bed. The first and second support legs are pivotally connected between the lumbar support member and the linkage member; and the third and fourth support legs are pivotally connected between the first and second support legs, and the first and second lumbar support brackets, respectively, such that the lumbar support member is operably movable between a retracted position and an expanded (ejected) position when the linkage member moves between first and second positions. The lumbar support is provided when the lumbar support member is in the ejected position.
A47C 20/12 - Head-, foot- or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously using rods using telescopic rods
A47C 19/02 - Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
30.
Adjustable bed integrated with headboard and frames
In one aspect of the invention, the adjustable bed includes a headboard assembly having a headboard and an upper rail attached to the headboard; a footboard assembly having a footboard and a lower rail attached to the footboard; a pair of sideboard assemblies having a pair of sideboards and a pair of side rails respectively attached to the pair of sideboards, wherein the pair of sideboard assemblies is transversely spaced and longitudinally aligned in parallel, and detachably attached to the headboard assembly and the footboard assembly; and a lifting mechanism attached to the side rails of the pair of sideboard assemblies for operably adjusting the adjustable bed at a desired position.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 21/00 - Attachments for beds, e.g. sheet holders or bed-cover holders Ventilating, cooling or heating means in connection with bedsteads or mattresses
An adjustable bed system includes a pair of side rails transversely spaced, longitudinally aligned and arranged parallel to each other; and a pair of lifting assemblies attached respectively to the pair of side rails for operably adjusting positions of at least one part of a bed. Each lifting assembly comprises a back lifting arm and a leg lifting mechanism; a bracket; and a back lifting actuator and a leg lifting actuator received in the bracket. Each actuator includes an activation member and a motor member engaged with the activation member for driving the activation member. The activation member of the back lifting actuator is engaged with the back lifting arm for operably adjusting the back lifting arm at desired back positions. The activation member of the leg lifting actuator is engaged to the leg lifting mechanism for operably adjusting the leg lifting mechanism at desired leg positions.
An adjustable bed includes a frame structure; a plurality of platforms disposed on the frame structure; and an adjustable assembly coupled with the frame structure and the plurality of platforms for operably adjusting one or more of the plurality of platforms in desired positions; and an aromatherapy system attached onto the one or more platforms for producing desired fragrance in a surrounding space of the adjustable bed so as to promote health and well-being of a user. Each aromatherapy device is configured to produce a fragrance when said aromatherapy device is turned on, and one or more working modes. The fragrance is identical to or different from that produced by other aromatherapy device of the one or more aromatherapy devices.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
A61M 21/02 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
A61M 21/00 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
33.
Foldable connection mechanism and adjustable bed system therewith
An adjustable bed system includes first and second frames; a back lifting assembly having a back lifting bracket pivotally connected to the first frame and a back lifting actuator pivotally connected between the back lifting bracket and the first frame for operably driving the back lifting bracket to pivotally move in an upward or downward rotating direction relative to the first frame; a leg lifting assembly having a leg lifting bracket pivotally connected to the second frame structure and a leg lifting actuator pivotally connected between the leg lifting bracket and the second frame for operably driving the leg lifting bracket to pivotally move in an upward or downward rotating direction relative to the second frame; and a foldable connection mechanism connecting the first and second frames such that the first and second frames are pivotally foldable relative to one another at the connection mechanism.
An adjustable bed includes: a head frame and a foot frame; a head lifting assembly including a head lifting bracket pivotally connected to the head frame, and a head lifting actuator pivotally connected between the head lifting bracket and the head frame for operably driving the head lifting bracket to pivotally move in an upward rotating direction or a downward rotating direction; a foot lifting assembly including a foot lifting bracket pivotally connected to the foot frame, and a foot lifting actuator pivotally connected between the foot lifting bracket and the foot frame for operably driving the foot lifting bracket to pivotally move in an upward rotating direction or a downward rotating direction; and a folding mechanism connecting the head frame and the foot frame such that the head frame and the foot frame are pivotably foldable to one another at the folding mechanism.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 21/00 - Attachments for beds, e.g. sheet holders or bed-cover holders Ventilating, cooling or heating means in connection with bedsteads or mattresses
An adjustable bed includes: a head frame assembly; a foot frame assembly; a knockdown connecting bracket; a slidable assembly having a pair of slidable assembly sides slidable within a pair of lower C steel brackets in a slidable assembly upward direction or a slidable assembly downward direction; a plurality of slidable assembly angle steels; a pair of head lift arm bracket assemblies; a second head tilt angle bracket; a head tilt platform; a head lift platform; a lumbar lift bracket assembly; an upper seat platform; a support platform; a lower seat platform; a head lift motor, secured to the head frame assembly for driving the pair of head lift arm bracket assemblies in a head lift forward direction or a head lift backward direction; and a head support tube, having an upper end pivotally connected to a L bracket and a lower end connected to the head lift platform.
A47C 20/04 - Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
A47C 20/08 - Head-, foot- or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
A61G 7/015 - Beds specially adapted for nursingDevices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
An adjustable bed system includes first and second frames; a back lifting assembly having a back lifting bracket pivotally connected to the first frame and a back lifting actuator pivotally connected between the back lifting bracket and the first frame for operably driving the back lifting bracket to pivotally move in an upward or downward rotating direction relative to the first frame; a leg lifting assembly having a leg lifting bracket pivotally connected to the second frame structure and a leg lifting actuator pivotally connected between the leg lifting bracket and the second frame for operably driving the leg lifting bracket to pivotally move in an upward or downward rotating direction relative to the second frame; and a foldable connection mechanism connecting the first and second frames such that the first and second frames are pivotally foldable relative to one another at the connection mechanism.
