Inflatable lift assist chair

Abstract

A simple, inflatable lift-assist device whereby a person on the ground who needs help to stand or be moved, maneuvers (or is helped) onto the deflated device, then the device is slowly and controllably inflated to assist with lifting the individual off the ground and into a seated state from which the person can either stand or be further assisted by a caregiver. The inflation is controlled by implementing separate inflation chambers within the device and safety attachments to the outside of the device. A plurality of air pumps may be utilized to further control inflation rates and sequencing.

Description

[0001] This is a Continuation-in-Part application claiming priority back to application Ser. No. 18 / 237,470 filed on Aug. 24, 2023.FIELD OF THE INVENTION

[0002] A simple, inflatable lift-assist device whereby a person on the ground who needs help to stand or be moved, maneuvers (or is helped) onto the deflated device, then the device is slowly and controllably inflated to assist with lifting the individual off the ground and into a seated state from which the person can either stand or be further assisted by a caregiver. The inflation is controlled by implementing separate inflation chambers within the device and safety attachments to the outside of the device. A plurality of air pumps may be utilized to further control inflation rates and sequencing.BACKGROUND

[0003] Inflatable furniture is well known. Inflatable mattresses are quite common to provide temporary expansion of sleeping accommodations. It is just convenient to be able to inflate a chair or a sofa or a mattress that could be used, then deflated when not needed to save space in storage. Inflatable loungers are used as water flotation in pools.

[0004] Inflatables are also disclosed in patent literature. For example, in U.S. Patent Application Publication No. US 2004 / 0074004 A1 titled INFLATABLE SUPPORT SYSTEM, disclosed is, “an inflatable support system having at least two sections [wherein] the inflatable support system has a lower chamber that has a top and bottom layer. The inflatable support system also has an upper portion which includes a top and bottom layer in fluid communication with the lower chamber. At least one of either the top or bottom layers of the upper portion of the inflatable support system has a higher elasticity than at least one of the layers of the lower chamber.” This disclosure is about improving the comfort of inflatable mattresses and is meant to be inflated and then laid upon and is not designed to be laid upon and then inflated to assist in lifting a person. While it ostensibly could be inflated after a person lays upon it in a deflated state, the person still would be in a ‘laying down’ position. It also has distinct chambers. However, these chambers have different elasticity from which it gets its comfort advantages and such chambers, due to their arrangement and design, do not provide the orchestrated lift assist function that is desired in this disclosure.

[0005] In another example, U.S. Pat. No. 4,324,012 titled CUSHIONING DEVICES, discloses, “a light weight, ventilated, moisture resistant cushion on which there are opposite facings having multiple openings, such as a net fabric, for the passage of air. The facings define a pocket between them, and each pocket is adapted to carry and restrain a pad which may be constructed from a jersey knit plastic fabric, rolled onto itself to form at least one roll of the pad fabric. The opposite facings contact opposite surface portions of the roll or rolls so that any load imposed to a facing of the cushion tends to flatten the roll a direction transverse to the center line or axis thereof. The strands of the knitted fabric forming the rolls are relatively stiff and when loaded bend and when unloaded, although not per se resilient, recover like springs.” While this disclosure contains embodiments wherein there are straps implemented to allow a user to secure the cushioning device to a user. However, this device is not an inflatable and the straps here are not designed to assist in stability while a device is being inflated during a lift assist and lack the design features disclosed here.

[0006] Finally, in in U.S. Patent Application Publication No. US 2024 / 0423384 A1 titled INFLATABLE FURNITURE, disclosed is, “an inflatable main body and a casing sheathed on the main body. The main body includes an inflator pump and a plurality of inflatable bags communicated with the inflator pump and configured for forming various parts of the inflatable furniture, one inflatable bag is provided with a mounting cavity for accommodating the inflator pump, at least one inflatable bag is provided with an exhaust valve, and the casing is provided with a first opening for operating the inflator pump, a second opening for operating the exhaust valve, a first curtain for covering the first opening, a second curtain for covering the second opening, a first hook and loop fastener for connecting the first curtain with the casing, a second hook and loop fattener for connecting the second curtain with the casing. The inflatable furniture of the disclosure can have various shapes to meet diversified use needs.” Here, it is contemplated that there are distinct chambers to form the various shapes of the desired furniture. However, because the desire is to simply inflate and deflate in the most expedient manner to form or deflate and store the furniture, and not to assist in a lift, there is only one pump and there is only inflate or deflate and not contemplated is the orchestrated sequential inflation that provides the safe lift assist as disclosed in embodiments herein. The plurality of inflatable bags here are only to form various shapes of furniture and there is no concern over the sequence of inflation which is paramount in assisting with a safe lift.

[0007] Thus, there still remains a great need for inflatable furniture that embodies all of the salient features as disclosed in the various embodiments herein, with a plurality of inflatable chambers and a plurality of inflation pumps designed to inflate the plurality of inflation chambers in sequence at pre-prescribed inflation rates such that a chair is inflated with a person already on the chair in its deflated state, inflating the seat cushion area, the back area and the side areas in a manner that the person already laying on it is not thrown off or in a manner that is unsteady and with a belt and side handles to further facilitate the lift and steadiness.

[0008] One of skill in the art will appreciate that an inflation device where inflation happens without the sequential and structured inflation described herein, a person laying on such a device will be lifted and tend to roll or put pressure on areas keeping the inflation from happening as desired.

[0009] In one embodiment, herein described is an inflatable chair comprising non-slip outer surfaces, with separate inflatable internal chambers, being inflated by separate inflation pumps at pre-designated inflation rates such that no one area become over-inflated prior to the other areas being inflated enough so as to support and lift an individual with maximum support and steady lift.

[0010] In one embodiment, an individual is placed onto a flat, deflated inflatable chair, a safety belt fastened around the waist of the user in the manner similar to that of an auto seat belt, the individual if conscious and able, instructed to hold onto handles attached at what will become the arm rests of the chair when inflated, or alternatively or in combination, to a handle located near the knee area between the legs, and then the inflatable chair begun to be inflated. As the inflation occurs, the seat area begins to inflate at the same time and separately while the back support begins to inflate and also while and at the same time, the sides begin to inflate. No one area inflates prior to the other areas also providing support such that the body of the supported individual is supported in a guided and pre-designated manner with maximized steadiness and sequential support.

[0011] None of the foregoing prior art references, alone or in combination, teach the salient and proprietary features or construction of the present disclosure, and as such, fail to be useful as an inflatable support lift chair with the safety and efficacy as described and disclosed herein.

[0012] The present disclosure teaches several embodiments that provide a portable, lightweight, inflatable support lift assist chair. One of skill in the art will appreciate that the common example and perhaps most universally useful configuration is that of a chair, but that the features and design as disclosed herein may provide a table (such that a supported individual could then just be slid into the back of an ambulance or transport vehicle), or a device that fully lifts a person into a standing upright position.SUMMARY

[0013] The present disclosure teaches a device with embodiments that provide an inflatable lift assist chair or other design comprising a plurality of inflatable chambers and a plurality of inflation pumps that are designed to work in sequence and in tandem with variable inflation rates so that support and lift is provided in a pre-determined and structured manner.

[0014] The following key describes the numbering used in the Figures:

[0015] 10 inflatable lift assist chair

[0016] 15 seat structure

[0017] 16 seat structure inflation chamber

[0018] 20 back structure

[0019] 21 back structure inflation chamber

[0020] 22 headrest

[0021] 25 side structure

[0022] 26 side structure inflation chamber

[0023] 27 handle

[0024] 30 user

[0025] 35 inflation enclosure

[0026] 40 cord storage compartment

[0027] 45 power cord

[0028] 50 AC power receptacle

[0029] 51 Optional rechargeable battery

[0030] 55 inflation control switch knob

[0031] 60 inflate position

[0032] 65 deflate position

[0033] 66 off position

[0034] 70 high volume air pump

[0035] 71 inflation / deflation connection

[0036] 75 safety belt

[0037] 80 fastener system

[0038] 85 padding

[0039] 90 exhaust port

[0040] 95 floor

[0041] 100 carrying case

[0042] 101 fastener

[0043] 105 feet

[0044] 110 back area

[0045] 115 thigh

[0046] 120 arm

[0047] 125 rotor

[0048] 130 main motor winding

[0049] 135 starting motor winding

[0050] 140 capacitorBRIEF DESCRIPTION OF THE DRAWINGS

[0051] FIG. 1 depicts one embodiment of a front perspective view of an inflatable lift assist chair 10, according to this written disclosure.

[0052] FIG. 2 depicts one embodiment of a rear perspective view of the inflatable lift assist chair 10, as seen along a line I-I, as shown in FIG. 1, according to this written disclosure.

[0053] FIG. 3 depicts one embodiment of an environmental view of the inflatable lift assist chair 10, shown in the initial stages of being utilized to assist in lifting a user 30, according to this written disclosure.

[0054] FIG. 4 depicts one embodiment of an environmental view of the inflatable lift assist chair 10, shown in the finished stage of being utilized to assist in lifting a user 30, according to this written disclosure.

[0055] FIG. 5a depicts one embodiment of an illustration of the inflatable lift assist chair 10 in a generally deflated configuration, according to this written disclosure.

[0056] FIG. 5b depicts one embodiment of an illustration of the inflatable lift assist chair 10 secured within a carrying case 100 when in a generally deflated configuration, according to this written disclosure.

[0057] FIG. 6 depicts one embodiment of an electrical block diagram of the inflatable lift assist chair 10, according to this written disclosure.

[0058] FIG. 7 depicts one embodiment of a front perspective view of the inflatable lift assist chair 10, as shown in FIG. 1, but with alternative arrangements and features showing the more rearward and waist area placement of the safety belt 75, a headrest 22, and additional placements of handles 27, according to this written disclosure.

[0059] FIG. 8 depicts one embodiment of a rear perspective view of an inflatable lift assist chair 10, as shown in FIG. 2, but without the texture lines and detail of the outside surface such that it is a transparent view into the interior of the chair showing that within the back structure 20, there is a separate back structure inflation chamber 21, within the seat structure 15, there is a separate seat structure inflation chamber 16, and within the side structure 25, there is a separate side structure inflation chamber 16. In this embodiment, also shown is a separate connection port 71 in the seat structure inflation chamber (there would be separate such ports in each separate inflation chamber) allowing each such separate inflation chamber to inflate / deflate at pre-prescribed rates independent of each other, according to this written disclosure.DETAILED DESCRIPTION

[0060] For clarity of disclosure, and not by way of limitation, the detailed description of the invention is divided into the following subsections that describe or illustrate certain features, embodiments or applications of the present invention.Definitions

[0061] “back structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's back and rear torso area up to the rear of the head.

[0062] “back structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the back structure of the inflatable chair.

[0063] “side structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's side and form an armrest.

[0064] “side structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the side structure of the inflatable chair.

[0065] “seat structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's buttocks and underneath of the leg area.

[0066] “seat structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the seat structure of the inflatable chair.The System and Method of the Present Invention

[0067] One manner for carrying out the invention is presented in terms of one of its embodiments, generally depicted within features as shown in FIGS. 1 through 8. However, this is but one embodiment and should not be construed as limited to the described embodiment, and a person skilled in the art will appreciate that many other embodiments are capable based on the disclosure here without deviating from the basic concepts described and that any such work around will also fall under scope of this disclosure. It is envisioned that other styles and configurations of the embodiment set forth can be easily incorporated into the teachings here, and only one (1) particular configuration, with various components, shall be shown and described for purposes of clarity and disclosure and not by way of limitation of scope. All of the implementations described below are exemplary implementations provided to enable persons skilled in the art to make or use the embodiments of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. The terms “a” and “an” herein do not denote a limitation of quantity, but rather denote the presence of at least one (1) of the referenced items.

[0068] Referring now to FIG. 1, a front perspective view of the inflatable lift assist chair 10, according to one embodiment is disclosed. The inflatable lift assist chair (herein also described as the “chair”) 10, is preferably suited for assisting a user 30 who has fallen on the floor 95 to be at least minimally propped up into a seated position. In this embodiment, the chair 10 provides for three (3) major outer components. A first major outer component is a seat structure 15 that forms the base of the chair 10. A second major outer component is a back structure 20 for back area 110 support and to assist the user 30 in maintaining a seated position without falling backwards. A third major outer component comprises two (2) side structures 25 provided to prevent the user 30 (not shown in this figure) from falling off to either side of the chair 10, and to assist the user 30 in standing up from a seated position.

[0069] In one embodiment, the seat structure 15, the back structure 20, and the side structures 25 would be made of flexible polyvinyl chloride (PVC) or other similar material and would include coil technology for strength. The exact material of construction is not intended to be a limiting factor here. The material allows for inflation and deflation of the chair 10, similar in nature to any inflatable structure known in the art, however, here, in a sequential, or concurrent inflation of the separate inflation chambers at pre-determined rates as herein described. The material of construction would be easy to clean by simple wiping and would be of a non-slip nature to prevent user 30 from sliding off during use (or have a non-slip outer covering). The material would be cut to size according to a pattern and assembled using a heat welding process to produce the final overall inflated shape when inflated and provide structure to the internal inflatable chambers. It is noted that the overall shape of the chair 10 as shown is representative of one of many final overall shapes. When inflated, in this embodiment, the chair 10 is envisioned to be approximately thirty inches (30 in.) tall at the rear of the back structure 20, with a height of twenty inches (20 in.) at the seat structure 15, and a total width of approximately twenty-two inches (22 in.) wide at the distal edges of the side structures 25.

[0070] In one embodiment, an inflation enclosure 35 is provided in the front of the seat structure 15 as shown. The seat structure 15 provides for control of inflation and deflation of the chair 10. The inflation enclosure 35 provides a cord storage compartment 40 that holds a power cord 45. The power cord 45 connects to an AC power receptacle 50. The overall length of the power cord 45 is envisioned to be at least twenty-five feet (25 ft.) to allow for use almost anywhere inside or outside where a power supply can be accessed. Additionally, inside the seat structure 15 and behind the inflation enclosure 35 is a seat structure inflatable chamber 16 that would be operatively connected to at least one inflation pump contained in the inflation enclosure that would inflate only the general area of the seat structure. Similarly, at least two other separate inflation chambers (or three with separate side structure inflation chambers), one in the back structure 21 and one in each of the side structures 26 would be operatively connected to at least one inflation pump contained in the inflation enclosure that would inflate only the general area of the respective areas where they are located. In this manner, the inflation rates of each separate inflation area can be specifically controlled.

[0071] In one embodiment, the inflation enclosure 35 is provided with two (2) inflation control switch knobs 55, each with an inflate position 60 and a deflate position 65. In one embodiment, there is also an off position 66 wherein, in the off position, neither inflation nor deflation occurs, but rather whatever state the chair is then in, is maintained. The inflation control switch knobs 55 allow for control of at least two (2) high volume air pumps 70 (not shown in this figure) that allow for the rapid inflation and deflation of specific inflatable chambers, envisioned to be under three minutes (3 min.). The chair 10 is provided with a safety belt 75 that is equipped with a fastener system 80 such as a hook-and-loop-type fastener (e.g., Velcro®). The safety belt 75 is also provided with padding 85 to provide comfort for the user 30 while being restrained in the chair 10 during the inflation cycle. The safety belt 75 could be located such that it secures a user's 30 lap, as in FIGS. 1 and 3, or moved back towards the area where the seat structure and back structure meet to secure a user's 30 waist, as shown in FIG. 7. Each of the side structures has a centrally-located handle 27 affixed to, integral with, or otherwise attached to the general top area of the side structure, essentially in the arm rest area, and without much play such that a user holding on to such handles would be able to secure themselves and stabilize themselves within the confines of the seat structure. Each handle 27 is intended to be unobtrusive, yet resilient enough to withstand a gripping force imparted thereupon by the user 30. Alternative embodiments are envisioned wherein handles 27 could be placed on the outside of the side structures and / or in front of the seat structure as shown in FIG. 7. There could be more than one handle in any one or more of these areas to facilitate both the user and a helper to hold onto the chair at any given point in time.

[0072] In one embodiment, referring next to FIG. 2, a rear perspective view of the chair 10, as seen along a line I-I, as shown in FIG. 1, is depicted. This view provides additional clarity on the overall structure of the chair 10, while depicting the seat structure 15, the back structure 20, and one (1) of the two (2) side structures 25. The lower portion of either side structure 25 is provided with an exhaust port 90, that would be separately connected to any or all of the separate inflation chambers. The exhaust port 90 is in a closed state during inflation (or when the control knobs are in the off position) and use of the chair 10 and may be opened to aid in rapid deflation of the chair 10, and its separate inflation chambers, along with usage of the high-volume air pumps 70 (not shown in this figure due to illustrative limitation).

[0073] In one embodiment, referring now to FIG. 3, an environmental view of the chair 10 shown in the initial stages of being utilized to assist in lifting a user 30, is shown. The user 30 is shown lying upon the chair 10 on the floor 95 such as might occur after initial aid has been given the user 30, such as after a trip and / or a fall. It is envisioned that the user 30 is suffering from a physical disability such as old age, disease, illness, imbalance condition, or the like, that would otherwise inhibit the user 30 from regaining an upright standing condition in a conventional manner.

[0074] In one embodiment, the chair 10, in an uninflated manner (see FIG. 5a), is removed from a carrying case 100 (see FIG. 5b) and placed in a flat (uninflated) state under the user 30, preferably such that the inflation enclosure 35 is in a convenient position for interaction therewith. The seat structure 15, the back structure 20, and the side structures 25 are approximately positioned as shown, such that they will occupy the appropriate state against the user 30, when inflated. This placement may be assisted by a care provider in an ideal situation but may be performed by the user 30 themselves. The care provider may assist in having the user 30 grip any handle 27 or the user 30 themselves may grip any handle 27. The power cord 45 is removed from the cord storage compartment 40 (as shown in FIG. 1) and connected to the AC power receptacle 50. Prior to inflation, the safety belt 75 including the fastener system 80 and the padding 85 is placed around the waist, or lap, depending on the configuration and location of the safety belt, of the user 30. Next, the chair 10 is inflated by placing either or both inflation control switch knobs 55 (as shown in FIG. 1) in the inflate position 60 (as shown in FIG. 1). At this point in time, the pumps begin to pump air into each separate inflatable chamber in the various areas of the chair 10 at pre-determined and desirable rates so as to inflate each area in proportion to each other such that no one area inflates in a manner so as to destabilize the balance of the user and ultimately, and in sequence, regains or attains the overall shape of a typical conventional inflatable chair 10 as shown in FIG. 1, with the user 30 sitting atop. It is envisioned that the chair 10 is capable of being used with a user 30 that weighs up to three-hundred-fifty pounds (350 lbs.). In an alternative embodiment, depending on the capability of the air pumps and the strength of the material used for the inflation chambers, the outer materials and the needs of a given situation, this weight could be adjusted to more or less.

[0075] In one embodiment, referring next to FIG. 4, an environmental view of the chair 10 shown in the finished stage of being utilized to assist in lifting a user 30, is disclosed. Upon full completion, the user 30 assumes a seated position in the chair 10. The feet 105 of the user 30 are positioned upon the floor 95. The back area 110 of the user 30 is against the back structure 20. The thighs 115 are against the seat structure 15. The two (2) arms 120 of the user 30 are available to press against the two (2) side structures 25 in order for the user 30 to regain a standing position. The handles 27 may be gripped by the user 30 to accommodate this motion. This progression to a standing position would occur after the safety belt 75, including the fastener system 80 and the padding 85 are removed.

[0076] In one embodiment, referring now to FIGS. 5a and 5b, which illustrate the chair 10 in a generally deflated configuration, and the storage thereof in a carrying case 100, is disclosed. The generally deflated configuration of the chair 10 is generally thought to be achieved when at a size capable of being fully inserted within the carrying case 100. The inflation enclosure 35 however remains rigid and maintains its structure and shape to protect any components therein from damage or inefficient operation. Once the chair 10 is in the generally deflated configuration, it can be removably inserted inside the carrying bag 100 and secured with a fastener 101, such as a drawstring or other opening closure means. Thus, the carrying case 100 can enable storage and transport of the chair 10. It is appreciated that the carrying case 100 can also have the capacity to store the chair 10 in a generally deflated configuration as well as at least one (1) portable motor (not shown) as a matter of convenience.

[0077] In one embodiment, referring now to FIG. 6, an electrical block diagram of the chair 10, is depicted. Alternating current is provided to the chair 10 via the power cord 45. Current flow is introduced to the inflation control switch knobs 55 and the high-volume air pumps 70 in a parallel fashion to account for the redundant nature of the high-volume air pumps 70. The inflation control switch knobs 55 provide for the inflate position 60, the deflate position 65, and an off position 66, via a forward and reverse motion. This motion is provided by a rotor 125 which turns with respect to the phase relationship between a main motor winding 130 and a starting motor winding 135. The phase relation is governed by the introduction of current on either side of a capacitor 140 as shown. It is noted that the schematic of one (1) type of AC motor reversal is shown via FIG. 6. Other types of motor reversal are possible and equally relevant. As such, the use of any specific type of motor direction control shall not be a limiting factor of the present invention. The dual air pump configuration of the high-volume air pumps 70 provide for faster inflation and deflation. In an alternative embodiment, the dual air pumps could have different inflation rates, and connected to the separate inflation chambers with varying sized conduits to specifically control the inflation rate of the separate inflation chambers.

[0078] In one embodiment, again referring to FIG. 6, rather than needing to connect to an AC outlet, also enclosed in the inflation enclosure could be a rechargeable battery that could deliver the same energy needed and connected directly to the same plug.

[0079] In one embodiment, the pumps as described may have variable inflation rates or air flow and each or both may be attached to any combination of the separate inflatable chambers in the separate areas of the chair designed to inflate the chair sections in a manner that does not inflate the seat structure without a proportionate amount of the side structures or back structure from also inflating an appropriate amount. One of skill in the art will appreciate that this manner of separately inflating the various structural components of the chair will assist in stabilizing and safely lifting the user with balance such that they are not prone to tip over, essentially creating a very controlled lifting.

[0080] In one embodiment, referring now to FIG. 8, separate inflatable chambers are utilized to inflate the various areas of the device. Shown here are a separate back structure inflation chamber 21 that would inflate independently of the other inflation areas of the chair. Also shown here is one of the side structure inflation chambers 26 (there would desirably be another one on the other side), and a seat structure inflation chamber 16.

[0081] In one embodiment, referring again now to FIG. 8, separate inflation chambers are utilized to inflate the various areas of the device. Shown here is the separate seat structure inflation chamber 16 that would inflate independent of the other inflation areas of the chair via a separate connection 71 to the inflation pumps. Each inflation chamber would be separately connected to the inflation pump or pumps for controlled inflation / deflation.

[0082] In one embodiment, the chair herein described can be utilized by the common user in a simple and effortless manner with little or no training. It is envisioned that the chair 10 would be constructed in general accordance with FIG. 1 through FIG. 8. The user 30 would procure the chair 10 from conventional procurement channels such as discount stores, department stores, home medical equipment suppliers, hardware stores, mail order and internet supply houses and the like.

[0083] After procurement and prior to utilization, the chair 10 would be in a generally deflated configuration and securedly stored within the supplied carrying case 100, via the fastener 101, and at a readily accessible location such that it is available for use either directly by the user 30 or by a care provider.

[0084] Should the user 30 fall in which an injury is sustained, emergency services would be immediately called. However, should the fall result in no injuries, or in instances of emergency or preference, the chair 10 would be removed from the carrying case 100 and placed in a flat state under the user 30. The seat structure 15, the back structure 20, and the side structures 25 would be positioned as shown in FIG. 3. The power cord 45 is removed from the cord storage compartment 40 and would be connected to the AC power receptacle 50. The safety belt 75 including the fastener system 80 and the padding 85 is placed around the user 30. The user 30 may grip any handle 27. The chair 10 is inflated by placing a first individual, a second individual, or both inflation control switch knobs 55 in the inflate position 60. This action results in the chair 10 regaining or attaining the appearance of a conventional chair, in a controlled and sequential manner, with the user 30 sitting atop and in one embodiment, the user's head resting against a headrest 22. At this point in time, the user 30 would stand up, walk, transfer to a bed or another chair, or the like. The pumps may be turned to the off position and the chair retaining its inflated shape until deflation is desired.

[0085] After use of the chair 10, it may be deflated by placing a first individual, a second individual, or both inflation control switch knobs 55 into the deflate position 65, and / or opening the exhaust port 90. The power cord 45 is removed from the AC power receptacle 50 and stored back in the cord storage compartment 40. The chair 10 is then smoothed into a flattened state and rolled and / or folded to place it in an generally deflated configuration, such that it fits back into the carrying case 100 and secured with the fastener 101, whereupon it is stored until its services are needed again.

[0086] The features of the chair 10 prevents injuries caused by care providers who try to lift them by torso or arms 120, prevents injuries to care providers who may strain back 110, leg, and arm 120 muscles, can be easily transported and used almost anywhere, may be used in inside and outside environments, eliminates having to call emergency personnel for non-injury falls, and may be used in home or in hospitals, skilled care facilities, assisted living facilities, or independent living facilities.

[0087] Publications cited throughout this document are hereby incorporated by reference in their entirety. Although the various aspects of the invention have been illustrated above by reference to examples and preferred embodiments, it will be appreciated that the scope of the invention is defined not by the foregoing description but by the following claims properly construed under principles of patent law.

[0088] Each and every feature described herein, and each and every combination of two or more of such features, is included within the scope of the present invention provided that the features included in such a combination are not mutually exclusive.

Examples

Embodiment Construction

[0060]For clarity of disclosure, and not by way of limitation, the detailed description of the invention is divided into the following subsections that describe or illustrate certain features, embodiments or applications of the present invention.

Definitions

[0061]“back structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's back and rear torso area up to the rear of the head.

[0062]“back structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the back structure of the inflatable chair.

[0063]“side structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's side and form an armrest.

[0064]“side structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the side structure of th...

[0001] This is a Continuation-in-Part application claiming priority back to application Ser. No. 18 / 237,470 filed on Aug. 24, 2023.FIELD OF THE INVENTION

[0002] A simple, inflatable lift-assist device whereby a person on the ground who needs help to stand or be moved, maneuvers (or is helped) onto the deflated device, then the device is slowly and controllably inflated to assist with lifting the individual off the ground and into a seated state from which the person can either stand or be further assisted by a caregiver. The inflation is controlled by implementing separate inflation chambers within the device and safety attachments to the outside of the device. A plurality of air pumps may be utilized to further control inflation rates and sequencing.BACKGROUND

[0003] Inflatable furniture is well known. Inflatable mattresses are quite common to provide temporary expansion of sleeping accommodations. It is just convenient to be able to inflate a chair or a sofa or a mattress that could be used, then deflated when not needed to save space in storage. Inflatable loungers are used as water flotation in pools.

[0004] Inflatables are also disclosed in patent literature. For example, in U.S. Patent Application Publication No. US 2004 / 0074004 A1 titled INFLATABLE SUPPORT SYSTEM, disclosed is, “an inflatable support system having at least two sections [wherein] the inflatable support system has a lower chamber that has a top and bottom layer. The inflatable support system also has an upper portion which includes a top and bottom layer in fluid communication with the lower chamber. At least one of either the top or bottom layers of the upper portion of the inflatable support system has a higher elasticity than at least one of the layers of the lower chamber.” This disclosure is about improving the comfort of inflatable mattresses and is meant to be inflated and then laid upon and is not designed to be laid upon and then inflated to assist in lifting a person. While it ostensibly could be inflated after a person lays upon it in a deflated state, the person still would be in a ‘laying down’ position. It also has distinct chambers. However, these chambers have different elasticity from which it gets its comfort advantages and such chambers, due to their arrangement and design, do not provide the orchestrated lift assist function that is desired in this disclosure.

[0005] In another example, U.S. Pat. No. 4,324,012 titled CUSHIONING DEVICES, discloses, “a light weight, ventilated, moisture resistant cushion on which there are opposite facings having multiple openings, such as a net fabric, for the passage of air. The facings define a pocket between them, and each pocket is adapted to carry and restrain a pad which may be constructed from a jersey knit plastic fabric, rolled onto itself to form at least one roll of the pad fabric. The opposite facings contact opposite surface portions of the roll or rolls so that any load imposed to a facing of the cushion tends to flatten the roll a direction transverse to the center line or axis thereof. The strands of the knitted fabric forming the rolls are relatively stiff and when loaded bend and when unloaded, although not per se resilient, recover like springs.” While this disclosure contains embodiments wherein there are straps implemented to allow a user to secure the cushioning device to a user. However, this device is not an inflatable and the straps here are not designed to assist in stability while a device is being inflated during a lift assist and lack the design features disclosed here.

[0006] Finally, in in U.S. Patent Application Publication No. US 2024 / 0423384 A1 titled INFLATABLE FURNITURE, disclosed is, “an inflatable main body and a casing sheathed on the main body. The main body includes an inflator pump and a plurality of inflatable bags communicated with the inflator pump and configured for forming various parts of the inflatable furniture, one inflatable bag is provided with a mounting cavity for accommodating the inflator pump, at least one inflatable bag is provided with an exhaust valve, and the casing is provided with a first opening for operating the inflator pump, a second opening for operating the exhaust valve, a first curtain for covering the first opening, a second curtain for covering the second opening, a first hook and loop fastener for connecting the first curtain with the casing, a second hook and loop fattener for connecting the second curtain with the casing. The inflatable furniture of the disclosure can have various shapes to meet diversified use needs.” Here, it is contemplated that there are distinct chambers to form the various shapes of the desired furniture. However, because the desire is to simply inflate and deflate in the most expedient manner to form or deflate and store the furniture, and not to assist in a lift, there is only one pump and there is only inflate or deflate and not contemplated is the orchestrated sequential inflation that provides the safe lift assist as disclosed in embodiments herein. The plurality of inflatable bags here are only to form various shapes of furniture and there is no concern over the sequence of inflation which is paramount in assisting with a safe lift.

[0007] Thus, there still remains a great need for inflatable furniture that embodies all of the salient features as disclosed in the various embodiments herein, with a plurality of inflatable chambers and a plurality of inflation pumps designed to inflate the plurality of inflation chambers in sequence at pre-prescribed inflation rates such that a chair is inflated with a person already on the chair in its deflated state, inflating the seat cushion area, the back area and the side areas in a manner that the person already laying on it is not thrown off or in a manner that is unsteady and with a belt and side handles to further facilitate the lift and steadiness.

[0008] One of skill in the art will appreciate that an inflation device where inflation happens without the sequential and structured inflation described herein, a person laying on such a device will be lifted and tend to roll or put pressure on areas keeping the inflation from happening as desired.

[0009] In one embodiment, herein described is an inflatable chair comprising non-slip outer surfaces, with separate inflatable internal chambers, being inflated by separate inflation pumps at pre-designated inflation rates such that no one area become over-inflated prior to the other areas being inflated enough so as to support and lift an individual with maximum support and steady lift.

[0010] In one embodiment, an individual is placed onto a flat, deflated inflatable chair, a safety belt fastened around the waist of the user in the manner similar to that of an auto seat belt, the individual if conscious and able, instructed to hold onto handles attached at what will become the arm rests of the chair when inflated, or alternatively or in combination, to a handle located near the knee area between the legs, and then the inflatable chair begun to be inflated. As the inflation occurs, the seat area begins to inflate at the same time and separately while the back support begins to inflate and also while and at the same time, the sides begin to inflate. No one area inflates prior to the other areas also providing support such that the body of the supported individual is supported in a guided and pre-designated manner with maximized steadiness and sequential support.

[0011] None of the foregoing prior art references, alone or in combination, teach the salient and proprietary features or construction of the present disclosure, and as such, fail to be useful as an inflatable support lift chair with the safety and efficacy as described and disclosed herein.

[0012] The present disclosure teaches several embodiments that provide a portable, lightweight, inflatable support lift assist chair. One of skill in the art will appreciate that the common example and perhaps most universally useful configuration is that of a chair, but that the features and design as disclosed herein may provide a table (such that a supported individual could then just be slid into the back of an ambulance or transport vehicle), or a device that fully lifts a person into a standing upright position.SUMMARY

[0013] The present disclosure teaches a device with embodiments that provide an inflatable lift assist chair or other design comprising a plurality of inflatable chambers and a plurality of inflation pumps that are designed to work in sequence and in tandem with variable inflation rates so that support and lift is provided in a pre-determined and structured manner.

[0014] The following key describes the numbering used in the Figures:

[0015] 10 inflatable lift assist chair

[0016] 15 seat structure

[0017] 16 seat structure inflation chamber

[0018] 20 back structure

[0019] 21 back structure inflation chamber

[0020] 22 headrest

[0021] 25 side structure

[0022] 26 side structure inflation chamber

[0023] 27 handle

[0024] 30 user

[0025] 35 inflation enclosure

[0026] 40 cord storage compartment

[0027] 45 power cord

[0028] 50 AC power receptacle

[0029] 51 Optional rechargeable battery

[0030] 55 inflation control switch knob

[0031] 60 inflate position

[0032] 65 deflate position

[0033] 66 off position

[0034] 70 high volume air pump

[0035] 71 inflation / deflation connection

[0036] 75 safety belt

[0037] 80 fastener system

[0038] 85 padding

[0039] 90 exhaust port

[0040] 95 floor

[0041] 100 carrying case

[0042] 101 fastener

[0043] 105 feet

[0044] 110 back area

[0045] 115 thigh

[0046] 120 arm

[0047] 125 rotor

[0048] 130 main motor winding

[0049] 135 starting motor winding

[0050] 140 capacitorBRIEF DESCRIPTION OF THE DRAWINGS

[0051] FIG. 1 depicts one embodiment of a front perspective view of an inflatable lift assist chair 10, according to this written disclosure.

[0052] FIG. 2 depicts one embodiment of a rear perspective view of the inflatable lift assist chair 10, as seen along a line I-I, as shown in FIG. 1, according to this written disclosure.

[0053] FIG. 3 depicts one embodiment of an environmental view of the inflatable lift assist chair 10, shown in the initial stages of being utilized to assist in lifting a user 30, according to this written disclosure.

[0054] FIG. 4 depicts one embodiment of an environmental view of the inflatable lift assist chair 10, shown in the finished stage of being utilized to assist in lifting a user 30, according to this written disclosure.

[0055] FIG. 5a depicts one embodiment of an illustration of the inflatable lift assist chair 10 in a generally deflated configuration, according to this written disclosure.

[0056] FIG. 5b depicts one embodiment of an illustration of the inflatable lift assist chair 10 secured within a carrying case 100 when in a generally deflated configuration, according to this written disclosure.

[0057] FIG. 6 depicts one embodiment of an electrical block diagram of the inflatable lift assist chair 10, according to this written disclosure.

[0058] FIG. 7 depicts one embodiment of a front perspective view of the inflatable lift assist chair 10, as shown in FIG. 1, but with alternative arrangements and features showing the more rearward and waist area placement of the safety belt 75, a headrest 22, and additional placements of handles 27, according to this written disclosure.

[0059] FIG. 8 depicts one embodiment of a rear perspective view of an inflatable lift assist chair 10, as shown in FIG. 2, but without the texture lines and detail of the outside surface such that it is a transparent view into the interior of the chair showing that within the back structure 20, there is a separate back structure inflation chamber 21, within the seat structure 15, there is a separate seat structure inflation chamber 16, and within the side structure 25, there is a separate side structure inflation chamber 16. In this embodiment, also shown is a separate connection port 71 in the seat structure inflation chamber (there would be separate such ports in each separate inflation chamber) allowing each such separate inflation chamber to inflate / deflate at pre-prescribed rates independent of each other, according to this written disclosure.DETAILED DESCRIPTION

[0060] For clarity of disclosure, and not by way of limitation, the detailed description of the invention is divided into the following subsections that describe or illustrate certain features, embodiments or applications of the present invention.Definitions

[0061] “back structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's back and rear torso area up to the rear of the head.

[0062] “back structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the back structure of the inflatable chair.

[0063] “side structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's side and form an armrest.

[0064] “side structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the side structure of the inflatable chair.

[0065] “seat structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's buttocks and underneath of the leg area.

[0066] “seat structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the seat structure of the inflatable chair.The System and Method of the Present Invention

[0067] One manner for carrying out the invention is presented in terms of one of its embodiments, generally depicted within features as shown in FIGS. 1 through 8. However, this is but one embodiment and should not be construed as limited to the described embodiment, and a person skilled in the art will appreciate that many other embodiments are capable based on the disclosure here without deviating from the basic concepts described and that any such work around will also fall under scope of this disclosure. It is envisioned that other styles and configurations of the embodiment set forth can be easily incorporated into the teachings here, and only one (1) particular configuration, with various components, shall be shown and described for purposes of clarity and disclosure and not by way of limitation of scope. All of the implementations described below are exemplary implementations provided to enable persons skilled in the art to make or use the embodiments of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. The terms “a” and “an” herein do not denote a limitation of quantity, but rather denote the presence of at least one (1) of the referenced items.

[0068] Referring now to FIG. 1, a front perspective view of the inflatable lift assist chair 10, according to one embodiment is disclosed. The inflatable lift assist chair (herein also described as the “chair”) 10, is preferably suited for assisting a user 30 who has fallen on the floor 95 to be at least minimally propped up into a seated position. In this embodiment, the chair 10 provides for three (3) major outer components. A first major outer component is a seat structure 15 that forms the base of the chair 10. A second major outer component is a back structure 20 for back area 110 support and to assist the user 30 in maintaining a seated position without falling backwards. A third major outer component comprises two (2) side structures 25 provided to prevent the user 30 (not shown in this figure) from falling off to either side of the chair 10, and to assist the user 30 in standing up from a seated position.

[0069] In one embodiment, the seat structure 15, the back structure 20, and the side structures 25 would be made of flexible polyvinyl chloride (PVC) or other similar material and would include coil technology for strength. The exact material of construction is not intended to be a limiting factor here. The material allows for inflation and deflation of the chair 10, similar in nature to any inflatable structure known in the art, however, here, in a sequential, or concurrent inflation of the separate inflation chambers at pre-determined rates as herein described. The material of construction would be easy to clean by simple wiping and would be of a non-slip nature to prevent user 30 from sliding off during use (or have a non-slip outer covering). The material would be cut to size according to a pattern and assembled using a heat welding process to produce the final overall inflated shape when inflated and provide structure to the internal inflatable chambers. It is noted that the overall shape of the chair 10 as shown is representative of one of many final overall shapes. When inflated, in this embodiment, the chair 10 is envisioned to be approximately thirty inches (30 in.) tall at the rear of the back structure 20, with a height of twenty inches (20 in.) at the seat structure 15, and a total width of approximately twenty-two inches (22 in.) wide at the distal edges of the side structures 25.

[0070] In one embodiment, an inflation enclosure 35 is provided in the front of the seat structure 15 as shown. The seat structure 15 provides for control of inflation and deflation of the chair 10. The inflation enclosure 35 provides a cord storage compartment 40 that holds a power cord 45. The power cord 45 connects to an AC power receptacle 50. The overall length of the power cord 45 is envisioned to be at least twenty-five feet (25 ft.) to allow for use almost anywhere inside or outside where a power supply can be accessed. Additionally, inside the seat structure 15 and behind the inflation enclosure 35 is a seat structure inflatable chamber 16 that would be operatively connected to at least one inflation pump contained in the inflation enclosure that would inflate only the general area of the seat structure. Similarly, at least two other separate inflation chambers (or three with separate side structure inflation chambers), one in the back structure 21 and one in each of the side structures 26 would be operatively connected to at least one inflation pump contained in the inflation enclosure that would inflate only the general area of the respective areas where they are located. In this manner, the inflation rates of each separate inflation area can be specifically controlled.

[0071] In one embodiment, the inflation enclosure 35 is provided with two (2) inflation control switch knobs 55, each with an inflate position 60 and a deflate position 65. In one embodiment, there is also an off position 66 wherein, in the off position, neither inflation nor deflation occurs, but rather whatever state the chair is then in, is maintained. The inflation control switch knobs 55 allow for control of at least two (2) high volume air pumps 70 (not shown in this figure) that allow for the rapid inflation and deflation of specific inflatable chambers, envisioned to be under three minutes (3 min.). The chair 10 is provided with a safety belt 75 that is equipped with a fastener system 80 such as a hook-and-loop-type fastener (e.g., Velcro®). The safety belt 75 is also provided with padding 85 to provide comfort for the user 30 while being restrained in the chair 10 during the inflation cycle. The safety belt 75 could be located such that it secures a user's 30 lap, as in FIGS. 1 and 3, or moved back towards the area where the seat structure and back structure meet to secure a user's 30 waist, as shown in FIG. 7. Each of the side structures has a centrally-located handle 27 affixed to, integral with, or otherwise attached to the general top area of the side structure, essentially in the arm rest area, and without much play such that a user holding on to such handles would be able to secure themselves and stabilize themselves within the confines of the seat structure. Each handle 27 is intended to be unobtrusive, yet resilient enough to withstand a gripping force imparted thereupon by the user 30. Alternative embodiments are envisioned wherein handles 27 could be placed on the outside of the side structures and / or in front of the seat structure as shown in FIG. 7. There could be more than one handle in any one or more of these areas to facilitate both the user and a helper to hold onto the chair at any given point in time.

[0072] In one embodiment, referring next to FIG. 2, a rear perspective view of the chair 10, as seen along a line I-I, as shown in FIG. 1, is depicted. This view provides additional clarity on the overall structure of the chair 10, while depicting the seat structure 15, the back structure 20, and one (1) of the two (2) side structures 25. The lower portion of either side structure 25 is provided with an exhaust port 90, that would be separately connected to any or all of the separate inflation chambers. The exhaust port 90 is in a closed state during inflation (or when the control knobs are in the off position) and use of the chair 10 and may be opened to aid in rapid deflation of the chair 10, and its separate inflation chambers, along with usage of the high-volume air pumps 70 (not shown in this figure due to illustrative limitation).

[0073] In one embodiment, referring now to FIG. 3, an environmental view of the chair 10 shown in the initial stages of being utilized to assist in lifting a user 30, is shown. The user 30 is shown lying upon the chair 10 on the floor 95 such as might occur after initial aid has been given the user 30, such as after a trip and / or a fall. It is envisioned that the user 30 is suffering from a physical disability such as old age, disease, illness, imbalance condition, or the like, that would otherwise inhibit the user 30 from regaining an upright standing condition in a conventional manner.

[0074] In one embodiment, the chair 10, in an uninflated manner (see FIG. 5a), is removed from a carrying case 100 (see FIG. 5b) and placed in a flat (uninflated) state under the user 30, preferably such that the inflation enclosure 35 is in a convenient position for interaction therewith. The seat structure 15, the back structure 20, and the side structures 25 are approximately positioned as shown, such that they will occupy the appropriate state against the user 30, when inflated. This placement may be assisted by a care provider in an ideal situation but may be performed by the user 30 themselves. The care provider may assist in having the user 30 grip any handle 27 or the user 30 themselves may grip any handle 27. The power cord 45 is removed from the cord storage compartment 40 (as shown in FIG. 1) and connected to the AC power receptacle 50. Prior to inflation, the safety belt 75 including the fastener system 80 and the padding 85 is placed around the waist, or lap, depending on the configuration and location of the safety belt, of the user 30. Next, the chair 10 is inflated by placing either or both inflation control switch knobs 55 (as shown in FIG. 1) in the inflate position 60 (as shown in FIG. 1). At this point in time, the pumps begin to pump air into each separate inflatable chamber in the various areas of the chair 10 at pre-determined and desirable rates so as to inflate each area in proportion to each other such that no one area inflates in a manner so as to destabilize the balance of the user and ultimately, and in sequence, regains or attains the overall shape of a typical conventional inflatable chair 10 as shown in FIG. 1, with the user 30 sitting atop. It is envisioned that the chair 10 is capable of being used with a user 30 that weighs up to three-hundred-fifty pounds (350 lbs.). In an alternative embodiment, depending on the capability of the air pumps and the strength of the material used for the inflation chambers, the outer materials and the needs of a given situation, this weight could be adjusted to more or less.

[0075] In one embodiment, referring next to FIG. 4, an environmental view of the chair 10 shown in the finished stage of being utilized to assist in lifting a user 30, is disclosed. Upon full completion, the user 30 assumes a seated position in the chair 10. The feet 105 of the user 30 are positioned upon the floor 95. The back area 110 of the user 30 is against the back structure 20. The thighs 115 are against the seat structure 15. The two (2) arms 120 of the user 30 are available to press against the two (2) side structures 25 in order for the user 30 to regain a standing position. The handles 27 may be gripped by the user 30 to accommodate this motion. This progression to a standing position would occur after the safety belt 75, including the fastener system 80 and the padding 85 are removed.

[0076] In one embodiment, referring now to FIGS. 5a and 5b, which illustrate the chair 10 in a generally deflated configuration, and the storage thereof in a carrying case 100, is disclosed. The generally deflated configuration of the chair 10 is generally thought to be achieved when at a size capable of being fully inserted within the carrying case 100. The inflation enclosure 35 however remains rigid and maintains its structure and shape to protect any components therein from damage or inefficient operation. Once the chair 10 is in the generally deflated configuration, it can be removably inserted inside the carrying bag 100 and secured with a fastener 101, such as a drawstring or other opening closure means. Thus, the carrying case 100 can enable storage and transport of the chair 10. It is appreciated that the carrying case 100 can also have the capacity to store the chair 10 in a generally deflated configuration as well as at least one (1) portable motor (not shown) as a matter of convenience.

[0077] In one embodiment, referring now to FIG. 6, an electrical block diagram of the chair 10, is depicted. Alternating current is provided to the chair 10 via the power cord 45. Current flow is introduced to the inflation control switch knobs 55 and the high-volume air pumps 70 in a parallel fashion to account for the redundant nature of the high-volume air pumps 70. The inflation control switch knobs 55 provide for the inflate position 60, the deflate position 65, and an off position 66, via a forward and reverse motion. This motion is provided by a rotor 125 which turns with respect to the phase relationship between a main motor winding 130 and a starting motor winding 135. The phase relation is governed by the introduction of current on either side of a capacitor 140 as shown. It is noted that the schematic of one (1) type of AC motor reversal is shown via FIG. 6. Other types of motor reversal are possible and equally relevant. As such, the use of any specific type of motor direction control shall not be a limiting factor of the present invention. The dual air pump configuration of the high-volume air pumps 70 provide for faster inflation and deflation. In an alternative embodiment, the dual air pumps could have different inflation rates, and connected to the separate inflation chambers with varying sized conduits to specifically control the inflation rate of the separate inflation chambers.

[0078] In one embodiment, again referring to FIG. 6, rather than needing to connect to an AC outlet, also enclosed in the inflation enclosure could be a rechargeable battery that could deliver the same energy needed and connected directly to the same plug.

[0079] In one embodiment, the pumps as described may have variable inflation rates or air flow and each or both may be attached to any combination of the separate inflatable chambers in the separate areas of the chair designed to inflate the chair sections in a manner that does not inflate the seat structure without a proportionate amount of the side structures or back structure from also inflating an appropriate amount. One of skill in the art will appreciate that this manner of separately inflating the various structural components of the chair will assist in stabilizing and safely lifting the user with balance such that they are not prone to tip over, essentially creating a very controlled lifting.

[0080] In one embodiment, referring now to FIG. 8, separate inflatable chambers are utilized to inflate the various areas of the device. Shown here are a separate back structure inflation chamber 21 that would inflate independently of the other inflation areas of the chair. Also shown here is one of the side structure inflation chambers 26 (there would desirably be another one on the other side), and a seat structure inflation chamber 16.

[0081] In one embodiment, referring again now to FIG. 8, separate inflation chambers are utilized to inflate the various areas of the device. Shown here is the separate seat structure inflation chamber 16 that would inflate independent of the other inflation areas of the chair via a separate connection 71 to the inflation pumps. Each inflation chamber would be separately connected to the inflation pump or pumps for controlled inflation / deflation.

[0082] In one embodiment, the chair herein described can be utilized by the common user in a simple and effortless manner with little or no training. It is envisioned that the chair 10 would be constructed in general accordance with FIG. 1 through FIG. 8. The user 30 would procure the chair 10 from conventional procurement channels such as discount stores, department stores, home medical equipment suppliers, hardware stores, mail order and internet supply houses and the like.

[0083] After procurement and prior to utilization, the chair 10 would be in a generally deflated configuration and securedly stored within the supplied carrying case 100, via the fastener 101, and at a readily accessible location such that it is available for use either directly by the user 30 or by a care provider.

[0084] Should the user 30 fall in which an injury is sustained, emergency services would be immediately called. However, should the fall result in no injuries, or in instances of emergency or preference, the chair 10 would be removed from the carrying case 100 and placed in a flat state under the user 30. The seat structure 15, the back structure 20, and the side structures 25 would be positioned as shown in FIG. 3. The power cord 45 is removed from the cord storage compartment 40 and would be connected to the AC power receptacle 50. The safety belt 75 including the fastener system 80 and the padding 85 is placed around the user 30. The user 30 may grip any handle 27. The chair 10 is inflated by placing a first individual, a second individual, or both inflation control switch knobs 55 in the inflate position 60. This action results in the chair 10 regaining or attaining the appearance of a conventional chair, in a controlled and sequential manner, with the user 30 sitting atop and in one embodiment, the user's head resting against a headrest 22. At this point in time, the user 30 would stand up, walk, transfer to a bed or another chair, or the like. The pumps may be turned to the off position and the chair retaining its inflated shape until deflation is desired.

[0085] After use of the chair 10, it may be deflated by placing a first individual, a second individual, or both inflation control switch knobs 55 into the deflate position 65, and / or opening the exhaust port 90. The power cord 45 is removed from the AC power receptacle 50 and stored back in the cord storage compartment 40. The chair 10 is then smoothed into a flattened state and rolled and / or folded to place it in an generally deflated configuration, such that it fits back into the carrying case 100 and secured with the fastener 101, whereupon it is stored until its services are needed again.

[0086] The features of the chair 10 prevents injuries caused by care providers who try to lift them by torso or arms 120, prevents injuries to care providers who may strain back 110, leg, and arm 120 muscles, can be easily transported and used almost anywhere, may be used in inside and outside environments, eliminates having to call emergency personnel for non-injury falls, and may be used in home or in hospitals, skilled care facilities, assisted living facilities, or independent living facilities.

[0087] Publications cited throughout this document are hereby incorporated by reference in their entirety. Although the various aspects of the invention have been illustrated above by reference to examples and preferred embodiments, it will be appreciated that the scope of the invention is defined not by the foregoing description but by the following claims properly construed under principles of patent law.

[0088] Each and every feature described herein, and each and every combination of two or more of such features, is included within the scope of the present invention provided that the features included in such a combination are not mutually exclusive.

Examples

Embodiment Construction

[0060]For clarity of disclosure, and not by way of limitation, the detailed description of the invention is divided into the following subsections that describe or illustrate certain features, embodiments or applications of the present invention.

Definitions

[0061]“back structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's back and rear torso area up to the rear of the head.

[0062]“back structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the back structure of the inflatable chair.

[0063]“side structure” as used herein means the part of an inflatable chair that inflates into the portion of the chair that ultimately would support a user's side and form an armrest.

[0064]“side structure inflation chamber” as used herein means the separate from the other inflation chambers that is configured to inflate the side structure of th...

Claims

1. An inflatable lift assist chair device comprising:an inflatable structure comprising a seat structure, a back structure, and a pair of side structures, the seat structure being configured to support a lower body of a user, the back structure extending upwardly from the seat structure configured to support a back area of the user, and the pair of side structures being positioned on opposite sides of the seat structure and extending upwardly configured to assist the user in maintaining lateral stability during use;a plurality of separate inflation chambers comprising a back structure inflation chamber configured to inflate the back structure, a seat structure inflation chamber configured to inflate the seat structure, and a pair of side structure inflation chambers, one placed in each side structure configured to inflate each such side structure, each separately connected to one or more electrically powered air pumps;an inflation enclosure integrated into a front portion of the seat structure, the inflation enclosure comprising:a power cord stored within a cord storage compartment, the power cord being extendable for connection to an external AC power receptacle;a pair of inflation control switches, each switch having a first position for activating inflation, a second position for activating deflation, and an off position for maintaining the status quo;said pair of electrically powered air pumps configured to be operatively connected to the inflation control switches and configured to control air flow into and out of each of the separate inflation chambers at predetermined rates with respect to each other;wherein the inflatable structure is configured to transition from a generally deflated configuration to a fully inflated configuration in under three minutes, and in the fully inflated configuration is capable of supporting a user having a weight up to 350 pounds; and,wherein the inflatable lift assist chair further comprises a safety belt having a fastening system and integrated padding, and at least one pair of handles positioned on the upper surfaces of the side structures, the handles being integrally formed with the side structures and configured to provide gripping support during user transitions.

2. The inflatable lift assist chair device of claim 1, further comprising:An at least one exhaust port disposed in a lower portion of at least one of the side structures, the exhaust port being configured to remain closed during inflation and use, and to open during deflation to facilitate release of air in conjunction with the air pumps.

3. The inflatable lift assist chair device of claim 1, further comprising a headrest positioned on the upper front side of the back structure configured to support a user's head.

4. The inflatable lift assist chair device of claim 1, further comprising a plurality of handles wherein there are at least one on the side of each side structure and at least one on the upper front area of the seat structure.

5. The inflatable lift assist chair device of claim 1, further comprising a rechargeable self-contained battery within the inflation enclosure configured to allow the chair to be inflated without the need for the connection to an external AC power receptacle.

Images