Abstract: A portable platform that allows for independent assembly and disassembly of SCUBA diving equipment comprised of a folding seating implement with a pair of front, rear and side crossed legs, a seating means, a backrest and armrests. An additional plurality of seating implement legs is pivotally connected to the posterior portions of the back crossed legs and connected at their lower portions. A concave vertical recess is located along the midline of the seating implement backrest that extends from the concave recess located at the midline rear portion of the seating implement seating means to the top edge of the seating implement backrest. At least one linear nylon support strip is connected at each lateral side of the seating implement backrest and extends laterally across a back portion of the seating implement backrest. A plurality of pouch pockets is connected to each lateral side of the seating means.

Abstract: An arrangement for converting, and a method of converting the arrangement, between a backpack and a chair, includes a bag for storing items, the bag having a back portion and an opposite front portion, a pair of shoulder straps attached to the bag for supporting the back portion against one's back during use as a backpack, and a body rest mounted on the bag for pivoting movement between a backpack position in which the body rest overlies the front portion during use as a backpack, and a chair position in which the body rest supports at least one of one's back and buttocks during use as a chair.

Abstract: A backpack stool (1) having a frame (8) with legs (9) attached thereto via pivot points (15) that allow a user to easily convert the backpack stool from a backpack for transporting items to a stool with a surface for sitting. To use the backpack stool as a stool, a user simple folds the legs outward from the frame into an extended position and places the ends of the legs on the ground. The user may then sit on the rear surface (3) of the backpack stool where the shoulder straps (7) are normally located. The rear surface of the backpack is preferably reinforced with a webbing (13) or other material located between the frame. To use the backpack stool as a backpack, a user simple folds the legs into a folded position so that the legs are parallel with the frame. The user may then use the shoulder straps to carry the backpack stool on the user's back.

Abstract: A modular backpack system may be provided. The modular backpack system includes a first back panel, a second back panel configured to be removably attached to the first back panel, the second back panel including a first surface such that the first surface of the second back panel is wider than the first back panel, and an adjustable attachment system connected to the first surface of the second back panel including a plurality of attachment rails disposed along at least a portion of the vertical length of the second back panel in a substantially parallel configuration.

Abstract: Three dimensional fabric matrices are provided for insertion into compartments of or attachment to wearable items and padded items, referred to as contact articles. The matrix includes a core that maintains an air space between inner and outer layers to facilitate heat transfer by convection and evaporation, when the enclosure is breathable. When the enclosure restricts air permeation, the air space provides insulation. Embodiments reconfigurable from insulating to breathable include adjustable impermeable sections that releasably cover permeable sections. The matrix also absorbs shocks and distributes stresses to provide padding and cushioning, including reduction of backface signature in ballistic applications. Wearable items containing one or more matrices offer enhanced thermal regulation and shock absorption.

Abstract: A sports backpack includes a hollow bag member with a pair of shoulder straps on the front surface thereof for securing the bag member to a user's back. The bag member includes several storage compartments that are accessible with zippers. Furthermore, the bag member includes a plurality of horizontally aligned male snap members on the rear surface thereof. An accompanying collapsible stool includes an attachment strip with mating female snap members thereon for fastening the stool to the bag member.

Abstract: A combination blanket and seat article is disclosed. The blanket portion comprises a king-size terry cloth sheet with two removable seat cushions installed in pockets. Straps attaché the seat back to the seat cushion and secure the seat for comfort. Weights around the periphery of the blanket secure it in place. The blanket portion can be used separately from the seat portion. When the seat is inserted, the back portion can be rolled to form a pillow. A strap is provided to hold the rolled back in position. Handles are provided for carrying the article. Shoulder straps are also provided to enable carrying the article as a backpack.

Abstract: A multi-functional backpack and pleated cushion assembly wherein the cushion is attached to and forms a part of the backpack. The backpack portion includes a front panel, a rear panel and a chamber defined between the front and rear panel for containing books, papers, food, etc. The longitudinally extending pleated cushion includes a plurality of laterally extending pockets filled with a sponge like material. The pleated cushion is foldable along the pleats or may be rolled up into a compact roll for carrying.

Abstract: There is now provided a chair and pack frame combination including telescoping legs, which are pivotably coupled to one another. Front legs are rotatably coupled to a seat frame, the seat frame being adjustable between an up and a down position. The frame also includes a cushion and carrying straps.

Abstract: The present invention relates to a resilient foam pad that is integrated into the bottom exterior of a tool bag. More specifically, the invention relates to maximizing the inter-compatibility of a tool bag and a highly portable foam pad. The upper surface of the foam pad is adorned with a nylon loop fastener attracting carpet. Attached to the bottom side of the tool bag is a nylon hook fastener lining. The tool bag is designed to offer storage and detachment of the foam pad without having to open the tool bag compartment. Alternative embodiments of the foam pad would include a rubber sealed version for use in wet conditions.

Abstract: A multi purpose device for use in stadium and outdoor venues. The device is user configurable to a blanket, poncho or coat, and a pillow for use at the venue. The device also configures to a pocketed backpack for transport by the user engaged with shoulder straps to their body. An interior pocket when configured to a backpack affords the device a storage compartment to transport other items such as food and drink.

Abstract: A bag assembly (20) comprises a bag (15) having an insert (16) attached thereto. The insert (16) has stowed and operative conditions. In the stowed condition, the insert (16) is accommodated within a pocket (74) within the bag (15). In the operative condition, the insert (16) extends from the bag (15) so that the insert and the bag can be so positioned as to substantially cover the internal surfaces of a toddler seat (114) of a shopping trolley (100), as well as portions of the trolley, including nearby top edges of the basket portion (104) and the handlebar (122) of the shopping trolley.

Abstract: A combination backpack and seat article incorporates a built-in seat element having a cushioned base member pivotably connected to the backpack and a cushioned back rest section attached to the backside of the backpack. When in the closed position, the base member is flush with the back rest section on the backside of the backpack and buckles securely in a locked position. When in the open, seat configuration, the cushioned base member folds down from the back rest section. Comfort adjustable lateral straps and attached buckles connect the rear of the backpack to the outboard end of the base member. Bar members located in the base member and back rest section provide structural integrity and stability when the article is used as a seat.

Abstract: A convertible backpack frame usable in a first mode as a backpack frame and in a second mode as a chair frame, having a frame assembly that includes an upper member having a U-shaped first section with parallel sides having a V-shape bend in each side and a rearwardly extending U-shaped second section joined substantially perpendicular and proximate to the upper ends of the first section, a substantially rectangular lower member pivotably coupled to upper member along a transverse axis, and a lockable telescoping member coupled to each side of upper and lower members so as to control and maintain the orientation of the upper member with respect to the lower member so as to allow the upper and lower members to pivot from their first mode orientation as a backpack frame to their second mode orientation as a chair frame having a reclinable backrest frame.

Abstract: An apparatus, system, and method are disclosed for attaching a container to a harness. The apparatus includes a harness having a mounting panel and at least one shoulder strap attached to the mounting panel. A substantially planar flange has a first end which is wider than a second end such that a first side and a second side of the flange taper as they approach the second end. A recess includes a pocket having an opening that receives the flange. The opening in the pocket is larger than the second end of the flange to facilitate receiving the flange within the pocket. The opening in the pocket and the first end of the flange are about the same size which restricts the lateral movement of the flange in the recess. First and second connecting member attach the mounting panel to the container.

Abstract: Disclosed is a combination backpack and seat cover apparatus which may be used with seats and benches without the need to use straps or buckles to hold the apparatus in place. A rigid, removable support for the apparatus is provided.

Abstract: The Tend-A-Tot 6-in-1 baby/childcare item is a single-unit, roomy diaper bag and travel tote with six functions. It has the unique ability to fold out into an instant baby/child carrier. It easily converts a simple umbrella stroller into a comfortable, secure and convenient carriage with plenty of on-board storage. It makes any dining chair and most other chairs into a comfortable, secure baby/child chair, keeping baby/child off unsanitary, public surfaces. It provides extra comfort and security in a conventional highchair. Use in shopping carts for comfort, extra security and shopping ease. It simplifies daily baby/childcare while at home, out strolling, shopping or visiting, on weekend trips and on long vacations, with added convenience for air travel. Stroll, feed, change, play, store, shop, visit and travel with everything you need for baby in one convenient bundle.

Abstract: A combination folding seat and backpack comprises first and second frame members which are pivotally connected together and may be arranged so that the frame members are connected by a seat panel. Back straps are attached to the frame members and a bag enclosure including cushioning material is also incorporated and mounted on the frame members so that the construction, when in the backpack configuration, enables utilization of one of the bag enclosure as a lumbar support.

Abstract: A combined booster cushion and bag (1), comprising carrying means (5, 16), a storage member (2) and a booster cushion member (4) having a user-facing side (3). The storage member (2) is configured to be releasably joined to the user-facing side (3) of said booster cushion member (4). With a combined booster cushion and bag according to the present invention, the availability of the booster cushion is greatly increased, for example since the risk of leaving behind the booster cushion member is reduced. Thereby the safety of children and others travelling in a motor vehicle is improved.

Abstract: The back strap chair carrier is adapted to be mounted on a folding chair having chair frame elements. The chair carrier includes upper and lower carrier webs with upper and lower, left and right upper sling straps. Each sling strap includes an adjustment buckle and can be attached to the upper chair frame elements via terminal end chair frame hooks or chair frame wrap around straps. The chair carrier web via the sling members can be tightly mounted over the chair frame when the frame hooks or frame wrap straps are attached to the chair frame elements and when the user adjusts the respective span of the upper and lower web straps via the adjustment buckles. The carrier includes backpack shoulder straps attached to the chair carrier web.

Abstract: A hunting vest for use in hunting animals, such as turkeys, in conjunction with an animal call having a friction plate and a striker includes a front panel and a rear panel with a pair of shoulder straps connecting the front panel with the rear panel. The hunting vest includes a striker pocket that is connected to the front panel, with the striker pocket having an open arcuate top edge and a closed bottom edge. A series of seams define individual sleeves in the striker pocket to independently support at least one striker. The hunting vest additional includes a friction plate pocket connected that is connected to the front panel to releasably support the friction plate of the turkey call. An expandable game bag pouch is detachably affixed to the rear panel. The game bag pouch includes a shell surrounding a game bag and a sealing member along the shell to open the shell and release the game bag to supported any harvested turkeys.

Abstract: A backpack unit has an open-top body and a seat assembly secured to the upper edge of the body; the seat assembly has a seat member covering the open top of the body and a back rest member pivotally secured to the seat member and moveable between a folded position and an unfolded position upon demand. A rigid support frame is positioned in the main chamber for supporting the seat member The body defines a main chamber, which is divided into two compartments by a temperature conductive vertical dividing wall. One of the compartments is designed to retain cooling medium, such as ice, while food products can be positioned in another compartment. An audio device is secured to the front panel; the audio device can be a radio with speakers, or a headphone connection, or an iPod connection; the audio device can be a CD player and the like.

Abstract: A lightweight child carrier that can be mounted upon the front or the back of a wearer's torso with little or no need to adjust the carrier's harness. The carrier includes a main panel having generally a rectangular shape. The bottom edge of the main panel is joined to the top edge of a padded waist band and the bottom edge of a head restraining panel is joined to the top edge of the main panel. Shoulder straps are connected to the main panel and are cojoined by a chest strap that is slidably mounted upon each shoulder strap. Adjustable restraining straps are connected to the chest strap and to the head restraining panel. An auxiliary waist belt is provided that considerably expands the length of the waist band to allow the carrier to be worn by a woman during pregnancy.

Abstract: An improved backpack/seat combination includes a main container having a front wall, rear wall, side walls, a base wall, an interior volume and a top lid enclosing the interior volume, the main container constructed of a rigid material and at least one backpack strap mounted on the main container. A seat back/lumbar support structure includes a seat back/lumbar support pad mounted on a seat back support bar, the seat back support bar at least one of adjustably, pivotably and movably mounted on the main container. Finally, the seat back/lumbar support pad is movable between a lower, rearwardly-facing lumbar support position positioned adjacent the rear wall of the container box and towards the base wall and an upper, forwardly-facing seat back position positioned above the top lid of the container box by at least one of adjusting, pivoting and moving the seat back support bar.

Abstract: A baby carrier comprises a wrapper partitioned to a front portion and a rear portion, front portion having a back support to support the back of a baby when needed and a hip sheet extending from the back support, the rear portion having a bottom sheet extending from the hip sheet and a rear sheet extending from the hip sheet, auxiliary supports each connected to the bottom sheet to support the thighs of the baby when needed, and shoulder straps connecting the back support to the auxiliary supports to hook the connected shoulder straps on the shoulders of a baby caretaker when needed. The hip sheet is foldable over on the bottom sheet so as to allow the baby to sit on the hip sheet detachably layered on the bottom sheet while being supported by the auxiliary supports.

Abstract: A backpack chair which allows the user to carry a chair on their back while still having the packing ability of a backpack. Embodiments of the backpack chair include a collapsible chair frame which opens into a chair and collapses into a backpack frame. A seat panel attached to the collapsible chair frame provides support for the user when the frame is opened into a chair. A pack container is attached to the seat panel and a flap is also attached in order to close the pack container and provide shade for the user when the collapsible chair frame is being used as a chair. The collapsible chair frame is also configured to form a stand for the backpack in order to provide ease of packing and unpacking the pack container. Shoulder straps are attached directly opposite the pack container on the collapsed collapsible chair frame.

Abstract: A frame for supporting a back pack and providing a seat structure is formed of a rigid assembly having side portions with four downwardly extending tubular leg members and includes spaced apart, paralleled, lateral members extending between the side portions. A leg extender is telescopically received in each of the four tubular leg members. A pad member having a lower horizontal surface is affixed to a lower end of each of the leg extenders. A locking member at the lower end of each of the tubular leg members provides adjustable spacing of the leg extenders. The frame is configured to receive a flexible back pack between the legs thereof and is adaptable to support a horizontal seat surface when the pad members are resting on the earth's surface.

Abstract: A backpack and chair apparatus with the ability to convert between a balanced backpack and a structurally rigid chair of normal household size. The conversion requires only nominal assembly and effort, does not disrupt the pack load or its accessibility, and requires no tools or separate parts. This advantageously increases the simplicity of pack stowage and the availability of a chair upon demand by those who would otherwise tote a separate chair within or upon a backpack.

Abstract: A combination pet bed and carrying case includes a pet bed with a bottom cushion arrangement that is attachable to the top of a carrying case when the case serves as a support base for the pet bed. The pet bed may be removed from attachment to the carrying case to provide for a pet bed with an extended cushion in the form of a lounge for the pet.

Abstract: A knapsack or rucksack for providing leaning support for a wearer. The inventive rucksack or knapsack includes a back-wall and a bottom-wall formed of a rigid frame of a generally L-shape wherein a first leg of the frame supports the back-wall and a second leg supports the bottom-wall. The L-shape frame allows a user to lean against the back-wall of the rucksack or knapsack when the bottom-wall is on a support surface such as a floor.

Abstract: An apparatus including receptacle having an opening with dimensions suitable for accomodating a beverage container having a volume suitable for consuming of a beverage in a single seating; and a fastening member coupled to the receptacle and having a protruding portion representatively adapted to be coupled to an armrest of a chair.

Abstract: A hunting pack or vest comprises an internal, angled frame for supporting a seated hunter wearing the vest. A cover proves free-floating pockets for the frame and a cargo pocket is disposed on the back of the cover over a rearwardly extending frame component. A seat is hinged at a juncture of the frame for stowed disposition under the cargo pocket and for deployed disposition extending forwardly of the frame. Angled pockets on the sides of the cargo pockets are accessible by a hunter wearing the pack whether standing or sitting. An orange panel is concealable, yet deployable over the cargo pocket. Two side vest panels are mounted forwardly of the cover and contain a plurality of ergonomically positioned pockets for easy accesses. Shoulder, waist and panel straps provide adjustment for varied sized and shaped hunters wearing a variety of clothing.

Abstract: The present invention relates to a device for transporting objects that may be carried on one's back and is convertible into a seat and/or berth. The basic form of the device is a rucksack.

Abstract: A knapsack or rucksack for providing leaning support for a wearer. The inventive rucksack or knapsack includes a back-wall and a bottom-wall formed of a rigid frame of a generally L-shape wherein a first leg of the frame supports the back-wall and a second leg supports the bottom-wall. The L-shape frame allows a user to lean against the back-wall of the rucksack or knapsack when the bottom-wall is on a support surface such as a floor.

Abstract: A combination backpack configured to be worn about the torso of a user, and a child seat for a vehicle, includes a first closable pocket portion having a front face, which is configured to retain a cushion therein. Two shoulder straps each attached to upper and lower ends of opposite sides of the front face of the first pocket portion are configured to be worn about the torso of the user when used as a backpack. The combination includes a second closable pocket portion adjacent the first pocket portion, a rigid seatback support configured to be retained in the second closable pocket portion, and a child harness assembly releasably attached to the seatback support. When the second pocket is in an open position and the front face of the first pocket is placed on a vehicle seat, the cushion functions as a seat bottom for the child seat and the seatback support functions as a back support for the child seat.

Abstract: A back-supported load-carrying mechanism that includes a rigid frame having a lower portion that includes an opening between a first vertical side and a second vertical side. A horizontal shaft is mounted to the sides and extends through the opening. A lumbar support element is pivotally mounted on the horizontal shaft. The horizontal shaft is mounted to the vertical sides of the frame with a suspension mechanism that enables each end of the horizontal shaft (and each side of the lumbar support element) to move fore and aft in relation to the frame. Tensioners mounted on the frame apply forward pressure to the shaft. Two rear leg extensions on each side of the frame enable the load-carrying mechanism to stand upright when placed on the ground. The lumbar support can pivot approximately 95 degrees to a position enabling the load-carrying mechanism to be utilized as a chair.

Abstract: A backpack which includes a main bag, suspension system, frame, and additional miscellaneous parts. It combines the superior comfort of external frame backpacks, with the elegant style of internal frame backpacks. The frame is strapped within the main bag to create a semi-rigid surface against the back. The suspension system's shoulder harness is removable, and adjustably connected through the semi-rigid surface by screws. The shoulder harness is vertically adjustable and swivels to accommodate different shoulder widths. The suspension system's waist harness is removable, and rigidly connected through the semi-rigid surface by screws. The waist harness provides optimum weight transfer onto the hips and creates an air gap, providing ventilation to the back. By removing the frame and placing a cover on it, a seat is formed. By aligning the seat linearly with additional feet, and inserting elongated rails between them, a frame for a cot is formed.

Abstract: This invention is an adjustable, ergonomically sound apparatus for the human body to assume many positions such as kneeling, sitting or lying. The main components of the invention are comprised adjustable cushions with adjustable supports for the knees, ankles, feet, toes, buttocks, back legs and head. This invention is portable and allows the user to assume the positions of kneeling, sitting and laying for long periods of time on a mobile basis with out the pain, discomfort and lasting damage associated with going long periods of time in these positions without proper supports.

Abstract: The present invention relates to a bag with a chair function. The bag of the present invention comprises a storing portion 10 for storing articles therein; a back portion 20 with a pad 21 inserted therein which is integrally formed with the storing portion 10 at one side of the storing portion; a seat portion 30 with a pad 31 inserted therein which is configured to correspond to the shape of the back portion 20 and a lower end of which is connected to a lower end of the back portion 20 in a pivotable manner; and a fastener 40 which is attached along the perimeters of the back portion 20 and the seat portion 30 and can be engaged and released to maintain the back portion 20 and the seat portion 30 in a position facing with each other or to allow the seat portion to be folded from the back portion.

Abstract: An improved backpack includes two capacious storage pockets secured to a flexible envelope for retaining a frame. A seat pad is adjustable between three positions for carrying, to provide seated cushioning and to provide recline support. Side pockets on the pack open upwardly and forwardly with respect to a user for carry, seated and recline positions of the backpack, in whichever orientation it is placed. A plurality of support straps carry partial weight of stored items to the top area and shoulder straps of the pack. A roll down, hunter orange panel is selectively concealed or unfurled for safety.

Abstract: A portable chair has a front and rear seat support frames hingably joined for rotating the seat support frames between a first folded mutually aligned position for carrying the combination, and a second unfolded, spread apart position for sitting. The chair further includes a chair seat joining the pair of seat support frames and providing an upwardly facing surface when the seat support frames are in the second spread apart position. A back support frame is hingably joined to one of the pair of seat support frames and rotatable between an upwardly extending position for establishing a back rest, and a laid-over position wherein the back support frame abuts the chair seat. Attached to the back support frame is a backpack removably joined to the back support frame.

Abstract: A system and mechanism for lifting and lowering bicycles onto the roof of an automobile or other vehicle. A lift arm containing support brackets for holding the bicycle is fixedly attached to a rotatable shaft member positioned on the roof of the vehicle. The shaft member is secured to a bearing member at one end and a gear set mechanism at the opposite end. A crank arm member or motorized mechanism is utilized to operate the gear mechanism and rotate the shaft member. Rotation of the shaft member in turn rotates the lift arm member and lifts and lowers the bicycle onto and off from the roof of the vehicle. Support members for holding the handlebar and seat of the bicycle are attached to the lift arm member for securing the bicycle to it. When the bicycle is in position on the roof of the vehicle, additional bracket members secure the wheels to the vehicle.

Abstract: A back-supported load-carrying mechanism that includes a rigid frame having a lower portion that includes an opening between a first vertical side and a second vertical side. A horizontal shaft is mounted to the sides and extends through the opening. A lumbar support element is pivotally mounted on the horizontal shaft. The horizontal shaft is mounted to the vertical sides of the frame with a suspension mechanism that enables each end of the horizontal shaft (and each side of the lumbar support element) to move fore and aft in relation to the frame. Tensioners mounted on the frame apply forward pressure to the shaft. Two rear leg extensions on each side of the frame enable the load-carrying mechanism to stand upright when placed on the ground. The lumbar support can pivot approximately 95 degrees to a position enabling the load-carrying mechanism to be utilized as a chair.

Abstract: A transportable seat system that is lightweight and foldable into a compact transporting position. The transportable seat system includes a lower frame, an upper frame pivotally attached about the lower frame, a bar member extending within the frames, a cover attached to the bar member and positioned about portions of the frames, and a strap attached to the frames for allowing convenient transporting of the same. An upper portion of the lower frame is preferably angled forwardly to assist in the transfer of the weight of a user to a central position about the lower frame.

Abstract: A suspendable pack has a cover that is secured to and overlies a pack. The cover is a comfortable seat cushion that is secured by straps to a top flap of the pack. The straps are adjustable to create a space that receives a seat. A person then has a comfortable place to sit, and the pack is out of the way of his feet, but still readily accessible. In a modified embodiment, the cover is a sheet that is sewn to the top flap in a manner that forms an open pocket that receives the seat. A pad can be inserted between the seat and the sheet. In a further embodiment, the cover is a plurality of adjustable straps that directly overlie the seat and that are secured to the pack.

Abstract: A back-supported load-carrying mechanism that includes a molded frame having a lumbar support element pivotally connected to a lower portion of the frame. The lumbar support element extends vertically, approximately halfway up the back of a user and horizontally, the full width of the frame, thus providing a large area of surface contact with the user's back. On the surface that contacts the user's back, the lumbar support element is anthropometrically shaped to fit the user's back. This surface is also covered by a non-sliding foam inlay. The lumbar support element may pivot approximately 95 degrees downwards, with the rear side of the lumbar support element providing a seat for the user. A load-support piece may be connected to the rear of the frame to provide a support shelf for the load being carried and to provide rear support when the back-supported load-carrying mechanism is in a chair configuration.

Abstract: A hunting pack or vest comprises an internal, angled frame for supporting a seated hunter wearing the vest. A cover proves free-floating pockets for the frame and a cargo pocket is disposed on the back of the cover over a rearwardly extending frame component. A seat is hinged at a juncture of the frame for stowed disposition under the cargo pocket and for deployed disposition extending forwardly of the frame. Angled pockets on the sides of the cargo pockets are accessible by a hunter wearing the pack whether standing or sitting. An orange panel is concealable, yet deployable over the cargo pocket. Two side vest panels are mounted forwardly of the cover and contain a plurality of ergonomically positioned pockets for easy accesses. Shoulder, waist and panel straps provide adjustment for varied sized and shaped hunters wearing a variety of clothing.

Abstract: A back-supported load-carrying mechanism that includes a molded frame having a lumbar support element pivotally connected to a lower portion of the frame. The lumbar support element extends vertically, approximately halfway up the back of a user and horizontally, the full width of the frame, thus providing a large area of surface contact with the user's back. On the surface that contacts the user's back, the lumbar support element is anthropometrically shaped to fit the user's back. This surface is also covered by a non-sliding foam inlay. The lumbar support element may pivot approximately 95 degrees downwards, with the rear side of the lumbar support element providing a seat for the user. A load-support piece may be connected to the rear of the frame to provide a support shelf for the load being carried and to provide rear support when the back-supported load-carrying mechanism is in a chair configuration.

Abstract: A tri-functional carrier formed by a plurality of rods bending at two sides is disclosed. The tri-functional carrier is formed by a retainer, a driven unit being pivotally engaged to the retainer, a supporting unit pivotally engaged to one end of the retainer. By the aforesaid structure, after a frame of the tri-functional carrier is folded, it can be converted into a back frame, a chair or a baggage carrier which is stored and located easily.

Abstract: A backpack unit comprising a frame of a material selected from a metal alloy, including, but not limited to, aluminum, aluminum alloy, steel, and steel alloy or plastic. The frame includes a U-shaped seat frame pivotally coupled at its ends to ends of a U-shaped back frame through a cross-member, a U-shaped front leg frame pivotally coupled to the seat panel and pivotally coupled at its ends to ends of a U-shaped back leg frame. The frame is capable of being folded such that the back frame, the seat frame, the front leg frame, and the back leg frame folds substantially parallel and adjacent to one another.