Abstract: A lip balm container includes a first container element that defines a first compartment configured to house a first portion of lip balm such that a second portion of the lip balm extends from the compartment, and a second container element connected to the first container element and moveable relative thereto between a closed and an open position. When in the closed position, the second container element covers the second portion of the mass of lip balm extending from the first compartment of the first container element, and in the open position, the second portion of the lip balm is exposed for use. The second container element remains connected to the first container element as the second container element is moved between the open and closed positions.

Abstract: Provided is a cosmetic assist device that can extract a cosmetic technique for making a user's face look like a target face image. The device includes an image capturing unit for capturing a face image of a user, an input unit for inputting a target face image, a synthesized face image generating unit for generating a plurality of synthesized face images obtained by applying mutually different cosmetic techniques on the face image of the user, a similarity determination unit for determining a degree of similarity between each synthesized face image and the target face image, and a cosmetic technique extraction unit for extracting one of the cosmetic techniques that was used to obtain the synthesized face image determined to have a highest degree of similarity by the similarity determination unit.

Abstract: Systems and methods for determining a customized cosmetic formulation. In one method, a user is guided to capture an image of a skin region with known lighting and color characteristics, and the image is processed to provide calibrated skin color information. A customized cosmetic formulation is automatically determined for the user based on the calibrated skin color information. In another method, a user is interactively guided through capture of one or more skin region images using a device having an image sensor. The skin region images are processed to provide calibrated skin color information, which is compared to a ground truth data set to identify a set of closest known values in the ground truth data set. A customized cosmetic formulation is automatically determined for the user based on the comparison.

Abstract: A board carrier that allows an individual to readily carry a surfboard, paddle board, etc. has a carrier body and a retention strap used in conjunction to encompass the board. The carrier body has a central section that is positioned along an edge of the board, and a first flap and a second flap that are positioned on opposite sides of the board. A handle and a carrier strap are connected to the central section, providing a dual means of carrying the board. The retention strap is fixed to the first flap and removably engaged with a strap fastener that is connected to the second flap. The retention strap is positioned around the board and engaged with the strap fastener to secure the board carrier to the board. A plurality of grips is integrated into the carrier body and the retention strap to prevent the board from slipping.

Abstract: A combined foldable chair and backpack that is movable between and open configuration for a user to sit thereon, and a folded configuration for a user to carry, is provided. The combined foldable chair and backpack includes a frame assembly, a fabric coupled to the frame assembly, a shoulder strap coupled to either the frame assembly or the fabric, and a storage compartment coupled to either the frame assembly or the fabric. The frame assembly includes a seat frame, a back frame pivotally coupled to the seat frame via a hinge assembly, a front leg pivotally coupled to the seat frame by a hinge, and a rear leg pivotally coupled to the hinge assembly by a hinge.

Abstract: Embodiments relate to a rotatable hinge for a head strap connector of a head-mounted display (HMD) that is detachable. The rotatable hinge has frictional elements that allow resistive rotation of the head strap connector relative to the HMD. The rotatable hinge has an end piece connected to the head strap connector that may be interlocked with the HMD by inserting the end piece into a cavity of the HMD and rotating the end piece in the cavity. The cavity has pins that pass through the end piece and interlock with walls along the outer edge of the end piece. Once interlocked with the HMD, the pins interlocked with the end piece allow the end piece to pivot relative to the HMD allowing the head strap connector to adjust to the size of a user's head.

Abstract: A buckle, such as for a strap or belt, houses a compact multi tool that is removable from the buckle. The arrangement includes a retention mechanism so the removable multi tool stays secure even with excessive body motion. The buckle can be any type of buckle for a belt or other type of strap. The buckle can couple a belt or strap to itself to create a loop or can couple strap portions to one another. The buckle functionality can be provided by any suitable arrangement, such as a cam lock mechanism, a pin or post-in-hole arrangement or a snap-fit arrangement, for example and without limitation. The multi-tool can include one or more articulating (e.g., foldable) tool elements. In some configurations, the multi-tool comprises a sleeve that receives a body of the multi-tool. The sleeve can include tool features.

Abstract: A stress control brush includes a handle, a brush head, and a feedback component. The brush head is pivoted on the handle, and the brush head is pivotable relative to the handle in an angular range. The feedback component is installed between the handle and the brush head. The feedback component is resilient and has a protruding state and a breakdown-sunken state. The feedback component is pressed by the brush head and in the breakdown-sunken state when the brush head is pivoted relative to the handle, and a feedback is provided by the feedback component.

Abstract: A sled for finishing a substrate with a displacement apparatus is attachable to the sled for moving the sled relative to the substrate. A tracking line is engagable by the displacement apparatus to provide a path of travel for the sled such that the sled moves along the tracking line across the substrate.

Abstract: An elevating apparatus of a table is disclosed. It mainly comprises a height adjusting apparatus having a gas spring inserted into an inner column of each of two legs respectively, a chute disposed outside the inner column and corresponding to a guide rail of a hollow outer column, a guide gear pivotally connected to a teeth-guiding slot of the hollow outer column, a gear rack disposed at one side of the inner column adjacent to the guide gear, and a pulley pivotally connected to a pulley slot of the hollow outer column for contacting the inner column, wherein two lateral sides of the chute are provided with plural arc portions equally spaced apart from each other for contacting the guide rail.

Abstract: A method and apparatus of a versatile holder and stand including a portable flat-panel mount, shelves as supporting means for storage conveniences and allowing multiple devices including energy generation devices and energy storage devices to be utilized at the same time, a low profile caster configuration enabling the position of a caster relative to a stand be able to be adjusted, supporting means having a number of curved columns to provide additional available spaces for supporting additional devices through various device holders or supporting means which include various types of device holding means that are capable of simultaneously holding multiple devices with different dimensions while cable management configurations being introduced separately or incorporated into these device holding means to enable cables used along with the portable devices held by any portions of the stand to be able to be placed and managed at any appropriate and desired locations and positions.

Abstract: A platform apparatus is provided which may be configured to support an electronic device. The platform apparatus may include a base, an extension, and a support. Some implementations include a hinge. The platform apparatus may be configured for use by a standing, seated, or reclining user, or to support an electronic device.

Abstract: A rack including a main body, an arm connected to the main body so as to be disposed in an opening of the main body when in a storage position, and so as to extend from a front face of the main body when in a display position. The arm includes a base portion connected to the main body, and a gun support extending from the base portion.

Abstract: A guide device for guiding a furniture pull-out moveable relative to a furniture body comprises: at least one guide unit having a body rail that can be fastened to the furniture body and at least one running rail that is displaceably mounted relative to the body rail; and a functional device comprising at least a first functional element that can be fastened to the moveable furniture pull-out, at least one body-sided second functional element, both functional elements being guided on one another during the retraction movement and/or the extension movement of the furniture pull-out, and a catch device having a bearing mechanism by which the first or second functional element can be moveably hung and having a control surface formed on the first and/or second functional element by which the moveable first functional element can be captured to subsequently guide on the second functional element.

Abstract: A full pull-out guide for furniture parts, in particular for drawers, with a lower structural height, and including a body rail that can be attached to a stationary furniture part, a running rail that can be attached to a movable furniture part, a middle rail, an inner running path arranged between the body rail and the middle rail, on which a plurality of first force-transferring elements are movably arranged, and an outer running path arranged between the middle rail and the running rail, on which a plurality of second force-transferring elements are arranged. Due to the horizontal displacement of the outer first force-transferring element, the structural height of the full pull-out direction can be reduced. Furthermore, the horizontal displacement of the outer first force-transferring element in relation to other force-transferring elements has the effect that the contact surface to the rails exists in different vertical planes.

Abstract: A butt-joining and engaging structure that allows to a pair of columns to be connected. The butt-joining and engaging structure has a seat body with a first connecting portion and a through hole, a stop part extends from an inner wall of the through hole toward the center of the through hole, a connecting member has a pair of ends defining a plug-in portion and a second connecting portion, and a position limiting part protrudes from the abutment surface of the connecting member. The first connecting portion is adapted to be affixed to one of the pair of columns. The second connecting portion is adapted to be secured to an end of the other column.

Abstract: A wall anchoring assembly for securing furniture to a vertical support is provided. The wall anchoring assembly includes a wall anchoring mount and a furniture anchoring mount, both attach to the vertical support and the furniture, respectively, in a face to face orientation. Each anchoring mount and attachment portion provides horizontal flanges that nest so that the flanges' fastener holes align for an elongated fastener to secure the vertical support and furniture in a locked engagement.

Abstract: A chair comprises a backrest, a seat, a supporting structure for supporting the backrest and the seat, and a base support. The supporting structure, the seat and the backrest are each pivotably mounted to permit the supporting structure, the seat and the backrest to each tilt over a predetermined range. This allows the chair to move into and out of a reclined position. The seat is free to pivot over its predetermined range relative to the supporting structure independently of a tilt of the supporting structure. The pivoting backrest and the pivoting seat are intended to encourage dynamic sitting.

Abstract: A portable cushion system includes a superior cushion section configured for placement under the user's head and upper torso, a midsection cushion section configured for placement under the user's seat and lower back, a proximal inferior cushion section configured for placement under the user's upper legs, a distal inferior cushion section configured for placement under the user's lower legs, two straps coupled on one end to the superior cushion section, two fastener terminals located on the distal inferior cushion section, and configured for fastening to the straps, and wherein when the superior, midsection, proximal inferior, and distal inferior cushion sections are folded, the straps are configured for use as shoulder straps for securing and transporting the system.

Abstract: A travel pillow for supporting the head of a person when seated comprises a generally U-shaped frame having two side members and a rear member, and a padded generally U-shaped cushion fixed with the frame. In one embodiment, the pillow includes a plurality of cushions each fixed along the frame. The frame and cushion may include a plurality of mutually-aligned ventilation apertures therethrough to cool the person's neck and head. The frame may include a plurality of connectable, size-adjustable, or hinged segments for allowing the pillow to be collapsed for storage or transport. In one embodiment, the frame is replaced by a plurality of rigid grommets fixed about each ventilation aperture, or a pair of lateral frames at side sections of the pillow. A travel pillow includes a resilient inner frame having a rear portion and two side portions, and U-shaped outer cushion fixed about the inner frame and including a rear portion and two side portions.

Abstract: A reversible lounge cushion is disclosed. The lounge cushion includes: an elongate cushion body having an upper cushion portion and a lower cushion portion foldably connected to the upper cushion portion, the upper cushion portion having a top surface and a bottom surface opposed to the top surface, the cushion body defining a cavity adjacent to a top end of the cushion body, wherein the cavity extends between a first aperture on the top surface and a second aperture on the bottom surface, and a permeable screen disposed in the cavity between the first aperture and the second aperture.

Abstract: Disclosed are supports, folding mechanisms and foldable supporting frames. A foldable supporting frame includes a plurality of bent bars, folding mechanisms and supports. The bent bars are connected to each other by the folding mechanisms and the supports to form upper and lower frames of the foldable supporting frame. The foldable supporting frame can be folded and unfolded by rotating any one of the bent bars. When unfolded, the supports hold the upper frame in place and keep it flat and stable. When folded, the folding mechanisms and the supports allow the bent bars to move toward each other and fold onto each other. The folded supporting frame is compact and of a regular shape, making it easier to handle, package, store, and transport.

Abstract: A bed frame has: a left side component that includes an elongated left side rail and an extending segment at each end; and a right side component that includes an elongated right side rail and an extending segment at each end. Each such extending segment is pivotally attached to the corresponding elongated right side rail and is capable of being pivoted from substantially parallel it to substantially perpendicular it. Each of the elongated left side rail and the elongated right side rail includes two main sections that are pivotally attached to a shorter center member. At each end, the extending segments of the left side component and the right side component detachably couple to each other, forming lateral components of a bed frame assembly.

Abstract: A foldable seat frame for attachment to a table surface for supporting a young child. The frame comprises a pivotally a pair of members coupled in an X-shape. Contact members are provided on adjacent opposing ends of the frame members on a first side of the pivot connection configured for adjacent contact with top and bottom surfaces of the table. Lower contact members positioned adjacent to the bottom surface are movable between a first position generally parallel to the table surface and second position slightly over-center of a generally perpendicular alignment to the table surface. When the lower contact members are in the first position, the seat frame may be easily detached from a table having downardly extending a peripheral skirt structure without requiring large pivoting movement of the frame. When the lower contact members are in the second position, they extend upwardly toward the lower table surface to reduce the degree of frame pivoting movement necessary to clamp the frame to the table.

Abstract: A collapsible child seat (1) is disclosed, comprising a backrest (10), a seat surface element (20) and an adapter element (30, 30?) or a plurality of adapter elements (30, 30?) via which the child seat (1) can be connected to a pushchair frame, and a first locking element (50) via which the seat surface element (20) can be locked in relation to the adapter element (30, 30?) or adapter elements (30, 30?), wherein the first locking element (50) is configured in such a way that by reducing the angle between the backrest (10) and the seat surface element (20) the locking of the seat surface element (20) in relation to the adapter element (30, 30?) or adapter elements (30, 30?) can be released.

Abstract: Device for assisting crawling of an infant (2) on a training surface comprising: - a platform (1) comprising a chest supporting surface for supporting a chest of the infant (2) resting on the platform (1) in a prone position, and - rolling elements (9) rotatably mounted on the platform in such a way they can rotate 360 degrees (1) and arranged to be located between the platform (1) and the training surface, wherein the platform (1) is shaped so that, when the rolling elements (9) are in contact with the training surface, the chest supporting surface of the platform (1) is inclined relative to the training surface, so that the pelvis and the legs of the infant (2) are in contact with the training surface.

Abstract: A display device for selectively displaying an at least one multi-dimensional object is disclosed. In at least one embodiment, the display device provides an upper portion and a corresponding lower portion configured for selective engagement with the upper portion, thereby allowing the upper portion to remain in a substantially vertical orientation. The upper portion provides a first frame and an opposing second frame selectively engageable with the first frame. The first frame provides a first aperture, the first aperture having a first window panel spanning the first aperture. The second frame provides a corresponding second aperture sized for approximating the dimensions of the first aperture, the second aperture having a second window panel spanning the second aperture. The first and second apertures cooperate to define an enclosure therebetween for selectively receiving the at least one object therewithin.

Abstract: A display assembly for resting upon a support surface, the display assembly comprising a main body having self-supporting rigidity and substantially disposed in a first plane, the main body having an upper end and a lower end, a collapsible pocket, moveable between a collapsed configuration and an open configuration, the collapsible pocket having four side walls and a bottom wall wherein at least one of the bottom wall and the four side walls includes a fold line, wherein the collapsible pocket is formed of a material having a different thickness than the main body, and a coupler interconnecting the collapsible pocket and the main body, wherein the collapsible pocket in the open configuration and the main body are self-supporting in an upright orientation with the first plane being substantially perpendicular to the support surface.

Abstract: A mattress sheet includes a top sheet portion having a first end, a second end opposite the first end, a pair of opposing sides defining a mattress sheet width there between, a first end sheet split extending into the top sheet portion from the first end to define first end sheet split edges and two separate first end sections and a second end sheet split extending into the top sheet portion from the second end to define second end sheet split edges and two separate second end sections. A fabric border has a top edge running along the first end, the first end sheet split edges, the opposing sides, the second end and the second end sheet split edges and a bottom edge opposite the top edge. A fabric extension extends from the fabric border a distance less than about the mattress sheet width.

Abstract: A simulated platform bed system is used with a bed having a mattress and a mattress support, typically provided as a box spring and frame supporting the mattress by a spacing above a floor surface. The system includes an exterior aspect with a decorative feature, as well as a base typically defining a single, continuous piece extending along the side edges and the foot end edge of the bed. At least a portion of the base is made of a plurality of vertically-oriented slats connected together. The slats may be located at corner portions or along an entire length of the system. The system covers the spacing to create the appearance of a platform bed upon which the mattress appears to be supported, even though the weight support of the mattress is through the mattress support rather than the system.

Abstract: A pillow allowing adjustment of the height, thereby minimizing neck muscles' strain and improving efficiency and quality of sleep is disclosed. The disclosed pillow contains a number of various compartments that are in communication with each other to allow adjustment of the height by the user.

Abstract: A table cover may comprise a sheet, a drawstring housing, a drawstring disposed at least partially within the drawstring housing, and at least one slit in the sheet and/or the drawstring housing configured to accept at least one end of the drawstring. In some embodiments, the drawstring housing may be coupled to the sheet. In some embodiments, the drawstring housing may be detached from the sheet and attachable to the sheet.

Abstract: An adjustable dish caddy comprising a plurality of partitions that are removably coupled to a base. The relative position of each partition within the caddy is adjusted by the user rotating a cam lever disposed in the top portion of each partition. Rotating the cam lever in turn pushes a cam shaft downwards through the partition which moves a spacer away from and off of the bottom surface of the base. With the spacer moved off of the bottom surface of the base, the user then moves or slides the partition to a new desired position along a pathway it is disposed in. The cam lever is then rotated back downward against the partition which reestablishes contact between the base and the partition, thereby locking the partition into its new position.

Abstract: A multifunction appetizer tray system includes a tray base including a base member and an upward protruding peg with a knob; a plurality of trays, each including a tray member with a serving area and a drinking glass holder, which is a cut out in the tray member, such that each tray can be attached to the peg with the drinking glass holder and rotated to a stored position, and such that the trays can be used as a personal appetizer plate with a stemmed drinking glass positioned in the drinking glass holder.

Abstract: The present invention is a device that assists with securing packages of varying sizes to the door or a home, apartment, or business. The device is capable of collapsing when not in use or while hanging on the user's door. Once a package is delivered and dropped into the secured apparatus, only the user will have access to the package by unlocking a pick-up door located on the device's bottom enclosure and retrieving the package from an interior bag. The user may additionally provide an enlarged bag to hang and secure to the outside of the device, if the package is expected to be too large to fit within the bottom enclosure of the apparatus.

Abstract: A decorative tree stand that can include a support base and a tree support pivotally coupled to an upwardly facing surface of the support base is disclosed and described. The tree support can selectively pivot to allow the decorative tree to move from a display position to a storage position.

Abstract: Electric rice pressure cooker without rubber packing includes a case, an inner pot inside case, and a cover coupled to case. Inner pot has flange portions provided on a top portion along a circumferential direction and the top end has a tapered surface. Cover includes a sealing member having a hole in its center and a bottom surface seated on inner pot. An inner cover includes a space for sealing member to move vertically, inner surface of space maintains a seal with the end portion of sealing member. The surface of inner pot tapers inwards, a bent portion of sealing member contacts the sloped surface and inner surface of inner cover, and part of bent portion contacting the sloped surface acts as a sealing surface corresponding in shape to the sloped surface, so steam from cooking passes through the hole and presses sealing member downward to maintain a seal.

Abstract: Embodiments are directed towards regulating flow rate in an espresso machine, during a multi-phase brewing process which includes a pre-brew and an extraction phase. During the pre-brew phase, coffee grounds are slowly pre-wetted and/or out-gassed with a first volume of water delivered at a first flow rate. During the extraction phase, a second volume of water is delivered, at a second flow rate, to extract espresso, where the second volume is delivered at a generally greater pressure than the first volume. The second flow rate is greater than the first flow rate. The flow rates, volumes, and pressures are regulated by the espresso machine, which includes a flow rate regulation assembly that comprises first and second flow paths and first and second valves. Baristas may vary the flow rate, volume, and pressure of water throughout the brewing process by opening, closing, or otherwise adjusting at least one of the valves.

Abstract: A grill device includes a grilling unit, a heating unit, a controlling unit and a switching unit. A second grilling module of the grilling unit (3) is pivotable to a first grilling module between closed and open positions to cover and uncover the first grilling module, respectively. First and second control modules of the controlling unit enable the heating unit to heat the first and second grilling modules with a first heating power and at least the first grilling module with a second heating power, respectively. The switching unit, is configured to be triggered to turn on the first control module when the second grilling module is at the closed position, and to turn on the second control module when it is not triggered.

Abstract: A blending system is disclosed herein. The blending system may comprise a blender base, a container and a blending volume reduction device. The blending volume reduction device may be removably inserted into the container of the blender system at various positions. The positions may alter the working volume of the container when the blending volume reduction device is inserted in the container.

Abstract: In order to provide a processor in which a reception space occupied by a body thereof may be decreased when it is not used, a container may be mounted on and detached from the body without being hindered, visibility of an inner portion of the container may be improved, and noise generated at the time of an operation may be decreased, a soundproofing cover is mounted on the body so as to cover the container, is detachable from the body to be completely separated from the body, and has an internal space closed by closure of an opening of one end thereof by the body. One end portion of a first vacuum tube is disposed to be exposed to an upper surface of the body and is connected to one end portion of a second vacuum tube.

Abstract: A vertical wall mount system is provided that is easily installed in a perfectly level and plumb manner and is further cable of being design to be completely waterproof, interchangeable and customizable to include endless additional features. The vertical wall mount system includes two main components: a sub-frame assembly and a panel frame assembly. The sub-frame assembly includes mounting clips for pivotal attachment to a wall frame, such as, a standard 2×4 stud. Horizontal wall rails are mounted on the mounting clips to create the sub-frame assembly. The horizontal wall rails are designed to support a panel assembly on the horizontal wall rails, which may, for example, include a tile panel. The panel assembly includes a panel frame secured to the back side of the panel, which panel assembly is designed to hang on the horizontal wall rails of the sub-frame assembly.

Abstract: A portable container apparatus is a portable washing and shower station having a rectangular container with removable divider inserts and removable compartment inserts inside to create various compartments for the storage of various cleaning accessories, and is formed to hold up to four removable water containers that are insulated to maintain either a warm or a cold water temperature, or a mixture for washing or showering. A foot pump is able to pressurize the water tanks to force the water through a coiled shower hose and shower head, and a removable perforated base within and above the inside bottom of the outer casing is sturdy enough to stand on while showering and draining the used water through the perforated base into the catchment below.

Abstract: A magnetic shower curtain system that maintains a shower curtain in place along opposing shower enclosure walls. The magnetic shower curtain system includes a shower rod assembly, a mounting assembly, and a shower curtain assembly. The shower curtain assembly includes a plurality of shower rings. The shower rings are placed on a shower rod, connected to a shower curtain, and slid along the shower rod. The shower rings include a first outer shower ring and a second outer shower ring. One of: (1) the first outer shower ring and the second outer shower ring, and (2) a first outer end and a second outer end of the shower rod or the mounting assembly, includes a magnet. The other of: (1) the first outer shower ring and the second outer shower ring, and (2) the first outer end and the second outer end of the shower rod or the mounting assembly, includes a magnet or a magnetically attractable material.

Abstract: A soap dispenser including a rigid cartridge, an inverted dispensing pump, a collar carrying a lever for actuating the pump, and a venting system for equalizing the air pressure in the rigid cartridge, wherein the rigid cartridge and the collar cooperate to removably attach the soap dispenser to a wall-mounted bracket, and further wherein at least the rigid cartridge is disposable and can be made of a recyclable and/or biodegradable material.

Abstract: Another exemplary dispenser includes a refill unit and a refill unit frame member. The refill unit frame member has a bracket for receiving a lower portion of the refill unit. A back plate for mounting the dispenser is also included. An actuator is hingedly connected to the bracket. A curved push bar is connected to the actuator. An anvil is connected to the curved push bar. Movement of the actuator toward the back of the dispenser causes the anvil to move toward the front of the dispenser.

Abstract: A system for dispensing toilet paper and wipes in a bathroom includes a frame configured to be coupled to a wall of a bathroom via a fastener connection with the wall, a product arm configured to receive toilet paper and facilitate dispensing of the toilet paper, the product arm coupled to the frame, and an auxiliary dispenser configured to dispense wipes, the auxiliary dispenser coupled to the frame where the auxiliary dispenser is operable between an open position and a closed position, where the wipes can be loaded into a receiving bay when the auxiliary dispenser is in the open position, and where the wipes can be dispensed from the receiving bay by a user when the auxiliary dispenser is in the closed position.

Abstract: An upright surface cleaning apparatus comprises a surface cleaning and an upright section moveably mounted to the surface cleaning head between a generally upright position and a rearwardly inclined in use position. The upright section comprising a cleaning unit comprising a carry handle wherein the carry handle extends in a direction transverse to the central longitudinal axis of the surface cleaning head and wherein the carry handle has a hand grip portion that has a length in the transverse direction that is greater than a depth of the cleaning unit in a direction of the central longitudinal axis.

Abstract: A surface cleaning apparatus includes a separating and collection assembly defining a collection chamber which receives debris and has a debris outlet, a cover assembly having a pre-motor filter, a debris ejector, and a push rod operably coupleable to the debris ejector to displace the debris ejector relative to the debris outlet. The push rod can be accommodated by an opening of the pre-motor filter.

Abstract: A vacuum cleaner includes a cleaner body including a suction motor for generating suction force and a suction part communicating with the cleaner body to suck in air and dust. The cleaner body includes a main body, wheels for moving the main body, and a battery detachably provided at a back side of the main body to supply power to the main body.