Abstract: Systems, methods and apparatus are provided through which in some aspects the position of a toothbrush is tracked relative to a user's dentition, while brushing. In some aspects, a toothbrush system includes a handle, a brush head, an illumination system, a camera system operable to acquire a set of light field images, and a set of machine readable instructions operable to receive the set of light field images and determine a relative transformation of the camera system associated with each light field image. In another aspect, a method of tracking the position of a toothbrush as it brushes a dental structure includes illuminating the dental structure, capturing a set of light field images of the dental structure, computing a transformation relative to the dental structure associated with each light field image, and determining a set of positions of the toothbrush relative to the dental structure based on the transformation.

Abstract: A collapsible power-driven table stand includes a supporting body of an elongated shape, a first stand having a first driving member and a plurality of first extendable rods driven by the first driving member to move axially relative to each other and a second stand having a second driving member and a plurality of second extendable rods driven by the second driving member to move axially relative to each other. The first diving member is pivotally attached to one end of the supporting body and the second diving member is also pivotally attached to another end of the supporting body in order to allow both the first and second stands to extend/collapse relative to the supporting body. Accordingly, the assembly of the collapsible power-driven table is simplified and the overall size thereof is reduced.

Abstract: A portable utility surface appliance disposed on a top surface of a personal articles container engaging upright handles usually used for rolling the container (luggage) behind the traveler. An arrangement of attachments, cantilevers, and resilient leveling regions transform the uneven top-handled surface of the suitcase into a flush, substantially level working surface upon which personal articles, beverages, and electronic devices may be placed. The portable rigid utility surface appliance includes a utility surface adapted to bear on a personal articles container in a substantially horizontal position, a crossmember attached to the utility surface and adapted to extend between parallel uprights extending from the personal articles container, and a pair of opposed, elongated protrusions extending from the crossmember and adapted for simultaneous engagement with the uprights.

Abstract: An apparatus for a handrail system having railings; the apparatus includes: a rail-mountable assembly; a table assembly having a table surface; a sub-mount assembly; a folding assembly; and an interlocking bracket assembly, including a first mounting bracket configured to be fixedly connected to the rail-mountable assembly and a second mounting bracket configured to be fixedly connected to the sub-mount assembly. The first mounting bracket and the second mounting bracket are configured to be selectively engageable with each other.

Abstract: In an example, a lift mechanism can comprise: a first leg assembly, the first leg assembly including: a first member; and a second member moveable relative to the first member along a first longitudinal axis; a second leg assembly, the second leg assembly including: a third member; and a fourth member moveable relative to the third member along a second longitudinal axis; and a synchronization assembly connecting the first and second leg assemblies, the synchronization assembly configured to balance movement between the first and second leg assemblies, the synchronization assembly including a wheel assembly, the wheel assembly connected to a first tension member and a second tension member, the first tension member connected to at least one of the first leg assembly and the second leg assembly and the second tension member connected at least one of the first leg assembly and the second leg assembly.

Abstract: A working station having a base, a table extending from the base, the table having at least two subsidiary tables, where each of the at least two subsidiary tables is independently tiltable and elevatable in relation to the base, thereby the at least two subsidiary tables are adaptable for impaired persons.

Abstract: A height adjustable work surface is provided, which includes an L-shaped frame supporting a cantilevered platform adapted to support computer and work space items thereon. The frame includes an upstanding rail portion and a horizontal base support, whereby the rail portion slidably supports a work surface platform above the base support. The rail portion and base support are U-shaped members, whereby a first and second rail is provided to support the work space platform. Cam locks are provided to lockably secure the platform in a given position, whereby the platform will not freely slide until unlocked and will support load thereon. An internal spring mechanism biases the platform to reduce lifting load requirements during adjustment of the platform. Overall, the device provides a means to adjust the elevation of work surface for a seated or standing user.

Abstract: Support systems and related methods for supporting tablets and monitors. A stand that includes a monitor support portion configured to support a monitor and a tablet support portion configured to support a tablet.

Abstract: A table assembly comprising a top member forming a substantially flat top surface circumscribed by an outer edge and at least a first leg support member supporting the top member in a substantially horizontal position, a table dock secured to the top member and forming an elongated channel having a dock length dimension and at least a first display panel circumscribed by a panel edge and having at least one straight edge having a panel length dimension, the dock length dimension less than panel length dimension, wherein at least a portion of the straight edge of the panel is receivable within the dock channel with the panel extending out the open first and second ends of the channel to support the panel in a substantially upright orientation with at least a portion of the display panel extending to a height above the flat top surface.

Abstract: A pull-down cabinet includes a first element fixed to an elevated structure, a second element having at least one storage surface, and at least one resistance mechanism comprising a tube having a substantially closed end, a piston within the tube creating a chamber between the piston and the substantially closed end, and a one-way valve communicating with the chamber such that the one-way valve opens, allowing fluid to pass through the one-way valve rapidly, when the piston is moved in a first direction within the tube, and closes, allowing substantially less fluid to pass through the one-way valve, when the piston is moved in a second direction within the tube, the resistance mechanism joining the first element to the second element so that when the second element slides away from the first element, the one-way valve closes, and when the second element slides toward the first element, the valve opens.

Abstract: A rack includes a base resting on a horizontal surface, a top and four elongated legs. Each leg includes a bottom portion pivotally connected to the base and a top portion pivotally connected to the top. The rack is movable between a flat position, wherein the legs are substantially parallel to the horizontal surface, and an upright position, wherein the legs are substantially perpendicular to the horizontal surface.

Abstract: A structure includes at least one foundation, two legs, a horizontal support, and an adhesive. The two legs are supported by the at least one foundation. Each of the two legs includes at least one aperture. The horizontal support has two ends. A first end is located in an aperture in a first leg of the two legs and a second end of the horizontal support is located in an aperture in a second leg of the two legs. The first end of the horizontal support has a cross-sectional area that is less than a cross-sectional area of the aperture in the first leg and the second end of the horizontal support has a cross-sectional area that is less than a cross-sectional area of the aperture in the second leg. The adhesive is within each aperture and in contact with the horizontal support.

Abstract: A storage shelf includes a secure sleeve and a bracket that the secure sleeve is in a hollow cylinder shape with an outer circumference on which two symmetrical slots, constructed by L-shape elements, in a downward and skewed taper shape, are provided. A buckling piece, of a curve and in a downward and skewed taper shape, is provided at four corners of the bracket respectively. After assembling the multiply secure sleeves to a support tube, the buckling piece of the bracket is inserted into one slot of the secure sleeve so as to firmly position the bracket to the support tube for constituting a unity storage shelf. The other slot of the secure sleeve can be engaged by the buckling piece of the other bracket to extend multiply storage shelf in a parallel arrangement for achieving convenience for both assembly and extension in an orderly manner.

Abstract: The present invention is a preferably rectangular sturdy, yet plastic, compartment or safe, small enough to fit inside a medicine cabinet, but large enough to house pill bottles and other medications. The safe has an openable and lockable front door that preferably comprises the safe's front wall. The safe also has laterally expandable side wings that also can be reduced inwardly to the width of the safe or expand beyond this size to contact and grip the interior sidewalls of the medicine cabinet. The wings are able to be locked in the chosen position. They are also preferably shaped to secure themselves and the safe inside a medicine cabinet. The safe door and the wings are lockable by a number of mechanisms, most preferably via a wireless signal transmitted from a device controlled by a local wireless network or internet enabled device. The wings and the front door are meant to lock and unlock together for security.

Abstract: The invention relates to the technical field of a refrigerator or a wine refrigerator, and more particularly relates to a combined shelf structure. The combined shelf structure is arranged in a wine refrigerator. The combined shelf structure comprises at least two shelf bodies and at least two carrier bars. Connecting holes through which two carrier bars pass are respectively arranged at both ends of each shelf body. Either the top surface or the bottom surface of the shelf body is provided with a groove, and the remaining surface is provided with a flat structure. The carrier bars pass through the connecting holes. The shelf body with a top surface and a bottom surface which is different from the top surface provides choices to users for placing wine bottles or other canned and bottled drinks vertically or horizontally.

Abstract: Pan support apparatus, systems, and methods. A pan support system includes a pan support having a pan storage space sized for receiving at least a portion of a pan. The pan support includes at least one slide surface for slidably receiving and supporting the pan in the pan storage space. A cover for covering an open top of the pan is selectively receivable in and removable from the pan storage space. A retainer retains the cover in the pan storage space. A pan storage module including a pan support is releasably mountable at a plurality of elevations on a frame.

Abstract: A secure rack-based storage enclosure for preventing access to telecommunications equipment includes left and right side panels, top and bottom panels, an open back and front, an interior, and a door pivotally mounted to the front. Rear flanges extend between the top and bottom panels proximate to the back of the enclosure, and the rear flanges cooperate with each of the top and bottom panels to define open notches extending into the interior of the enclosure away from and in communication with the open back of the enclosure. Intermediate flanges extend between the top and bottom panels, and are disposed between the rear flanges and the front of the enclosure. A hinge assembly couples the door to the front panel proximate one of the left and right side panels. An elongate member is pivoted to the other of the left and right side panels opposite the hinge assembly.

Abstract: A furniture apparatus including a frame; and a hidden container. The hidden container configured transition between an open state and a closed state, the hidden container being visible when the hidden container is in the open state, and the hidden container being hidden from view when the hidden container is in the closed state.

Abstract: An adhesive retainer for fixing to a structure has at least one adhesive foot which has a supporting base region formed on the adhesive foot and is provided with receiving openings which extend like capillaries through the supporting base region into the interior of the adhesive foot. The receiving openings are configured to form an integral bond with the structure such that when the adhesive foot is placed on the structure covered for this purpose with a liquid, solidifiable bonding substance, the receiving openings receive bonding substance due to capillary ascension.

Abstract: A storage armoire includes a back frame assembly configured to provide a storage space, a front frame assembly rotatably coupled to the back frame assembly so that the front frame assembly is pivotal about a portion of the back frame assembly and first and second over-the-door hangers. The first and second over-the-door hangers have hook portions that fit over a top of a door, mounting portions mounted to a back of the back frame assembly and arms extending between the mounting portions and the hook portions. The hook portions are spaced apart from each other on the door at a distance that is greater than a distance that the mounting portions that are mounted to the back of the back frame assembly are spaced apart from each other.

Abstract: The specification discloses a method for containing spills on shelving and the like, and the resulting support members made in accordance with the method, by providing the generally flat top surface of a support with a hydrophobic surface which is arranged in a spill containment pattern and which is generally in the plane of the top surface of the support. The majority of the top surface of the support consists of one or more spill containment areas which are of a non-hydrophobic nature and which are bounded by the hydrophobic surfaces, such that spills on the shelving collect in the non-hydrophobic spill containment area or areas and are prevented from spreading by the hydrophobic surfaces.

Abstract: The invention relates to a movement assembly (2) particularly, although not necessarily exclusively, for use in the movement of an item in the form of a display screen (20) between a number of possible positions within a predefined environment and/or the possibility of altering the height and/or angle of the display screen at the particular location. The display screen is mounted on a bracket (14) which is moveable and which, in turn, is mounted on a movement assembly including a vehicle (12) for movement along guide means and drive means are provided to allow the movement assembly to be moved in response to remote control signals and/or in a predesignated manner to the required position and provide the display panel at the required orientation.

Abstract: A seat for training legs contains: a frame and a sitting assembly mounted on the frame. A sliding unit is fixed between the frame and the sitting assembly and includes a sliding rack and a sliding block, the sliding rack includes a slidable rail arranged on an upper surface thereof and a fitting tube mounted on two sides of the frame, the sliding block is disposed on a back surface of the sitting assembly and connects with the slidable rail. A vertical moving unit is defined between the frame and a rear end of the sliding rack to drive the rear end of the sliding rack to move obliquely. A foot support is mounted on a front end of the frame to support user's feet. Thereby, the user's feet are placed on the foot support to exert force so that the sitting assembly slides to exercise the user's feet.

Abstract: The present invention is to provide a chair capable of permitting a user to quickly and easily change his or her posture by tilting a back support in a state in which the user takes a seat. The chair includes a seat support; a back support which has a back frame, with a lower end being connected to a rear end of the seat support by a pivot shaft, so that the back support is tilted in a rearward direction; and a footrest which is engaged to the seat support, so that the back support is interlocked with the footrest.

Abstract: A rocking chair including a base portion having at least one retaining member, a rockable seat portion mounted upon the base portion, an axle mounted on the seat portion, the axle being arranged for pivotal movement about an axis, at least one toothed rack mounted upon the axle and arranged for pivotal movement about the axis between a locked closed position and a locked open position, the toothed rack having a multiplicity of forward facing grooves arranged for selectable retaining engagement with the at least one retaining member, the selectable retaining engagement being operative to selectably limit forward and rearward extents of the rocking movement, and at least one adjustable forward limiting member operative, to limit the extent of forward pivotal movement of the at least one toothed rack in the first plane to be rearward of a second plane which intersects the at least one retaining member.

Abstract: The invention is directed to a modular furniture design having contoured ballast chamber for directing the weighting from a peripheral weighting orientation to a peripheral weighting configuration. The furniture may further comprise a base and a top, the base having a one piece molded generally hollow body comprising a contoured ballast compartment having a closable opening and a plurality of sidewalls forming legs supporting a top. A top attachment may be a chair, table top or similar furniture piece. The chair may be adapted for sitting at a table, lounging or reading with or without arms. An attachable cushion is fastened to the chair to provide a color coordinated seat attached by tamper resistant fastener assembly comprising tabs mounted under the seat of the cushion extending into and engaging seat holes in the seating surface of the chair and held in place by a threaded fastener extending through the back rest of the chair engaging a threaded insert in the cushion.

Abstract: The present invention has a back supporting module, a front headrest module and an anchor plate. The back supporting module has a positioning base, a moveable base, and a positioning cover. An insertion recess is formed in a top end of the positioning base. The moveable base is mounted in the insertion recess of the positioning base. The moveable base can be moved along the positioning cover. The front headrest module has a linking plate mounted in the moveable base and a headrest board. The anchor plate is mounted on a front surface of the linking plate and is securely connected to the moveable base. The headrest board is connected securely to the linking plate. When moving the headrest board, the level position and height of the moveable base can be adjusted.

Abstract: The present invention relates to a unit component for a chair backrest. The component has a basic body. The basic body has a through hole, a supporting portion, and at least two connecting arms. The through hole is formed on the basic body. The supporting portion is mounted over the through hole. The at least two connecting arms are mounted at corners of the through hole and are connected with the supporting portion.

Abstract: A modified back rack has a front frame, a supporting stand mounted movably on the front frame, and a positioning mount mounted securely on the front frame. The front frame has an adjusting base mounted on the front frame. The adjusting base has a protrusion formed on the adjusting base, a track area formed on the adjusting base, and multiple positioning grooves formed on the protrusion. The supporting stand has a movement recess formed on the supporting stand, a movement space formed in the movement recess, and a moving assembly mounted in the movement recess. The moving assembly has a moving block, a swinging arm mounted pivotally in the moving block, and a moving pin extending from the swinging arm. The moving pin is placed in the track area. The modified back rack has height adjusting function that can meet different requirements.

Abstract: The element with variable shape (1) is composed of a cushion (10), having inside a fixed frame (20), which involves a lower section (13) of said cushion (10) and two symmetrical movable frames (25A), (25B), hinged above said fixed frame (20) and aimed at involving an upper section (14) of the cushion (10). The movable frames (25A), (25B) can rotate by 180° independently from each other, to direct a respective portion (14A), (14B) of said upper section (14) from an external horizontal configuration (HE) to an inner horizontal configuration (HI), passing through a vertical neutral configuration (N), in which the portion (14A), (14B) is substantially aligned with said lower section (13). The back (100) and sides (110) of a sofa (D) or armchair (P) are defined by respective elements (1), which can be configured in many ways so as to offer the maximum sitting comfort.

Abstract: A frame subassembly of a foldable bed frame includes a seat deck, a back deck, and armrests. The frame subassembly includes a portion of the seat deck connected to a portion of the back deck; and a fixed pivot point connecting the back deck to the armrests such that the fixed pivot point between the back deck and the armrests does not slide when the foldable bed frame transitions between a folded state and an unfolded state. The foldable bed frame may include a hanger connecting the armrest to the back deck such that the fixed pivot point therebetween is offset. The foldable bed frame may further include an assistance device configured to store elastic energy during a first transition, and release the stored elastic energy during a second transition.

Abstract: A folding bed chest device includes a chest and a sleeping platform. The chest is configured to store a foldable mattress and the sleeping platform when the folding bed chest device is in a folded position. The sleeping platform is configured to support a weight of the foldable mattress when the folding bed chest device is in an unfolded position.

Abstract: A chair assembly for supporting a user's arms while the user lays on the user's stomach includes a frame that may be positioned on a support surface. A plurality of legs is coupled to the frame. The plurality of legs abuts a support surface. The frame is supported above the support surface. A panel is coupled to the frame. The panel may support a user. A pair of arm rests is movably coupled to the frame. Each of the pair of arm rests supports the user's arms while the user lays on the panel.

Abstract: To provide a bottom for a bed apparatus that can relieve the sensation of being pressed and that at the same time is lightweight, easy to transport and can be cleaned easily. A bottom for a bed apparatus having a back-raising mechanism, includes a flexing bottom that is arranged between a back bottom and a hip bottom and can be flexed. In a back-raising operation, the flexing bottom flexes between the back bottom and the hip bottom whilst sliding downward over the surface of the uprising back bottom.

Abstract: Electromotively adjustable support apparatus for supporting padding of seating and/or reclining furniture, in particular a mattress of a bed, has at least two support parts adjustable relative to one another. The adjustable support apparatus may be adjusted by an electric motor. An adjustment element is associated with one support part for adjusting the support part. Adjustment element is in drive connection with an electric motor of a drive unit. The adjustment element is a pivot lever which is pivotable under the traction effect of a pull cable of a Bowden cable, and is configured and connected with the pull cable in such a way that the lever arm which is operative for adjusting the support part lengthens during an adjustment from an unadjusted starting position into a maximally adjusted end position of the adjustment movement.

Abstract: The present disclosure and related inventions includes various mattress constructions with improved air flow characteristics, and in particular mattress constructions which induce or control air flow when force is applied to the mattress support surface.

Abstract: An interconnected multicompartmental pressure redistribution system that is able to precisely identify contact pressure points and address excess pressure on the body by redistributing the pressure in real time. Sensors that are part of a matrix of fluid substance-filled interactive pixels communicate with a microcontroller that may also be in wireless communication with a smart device. The microcontroller controls the individual fluid flow regulators located between the interactive pixels. This causes specific flow regulators to open, allowing the fluid substance to flow from one interactive pixel to another, redistributing pressure, as needed.

Abstract: A netting material, useful for insect netting, comprising a glass yarn fiber material with increased durability over currently available netting material. The glass yarn fiber material contains glass filaments extruded such that the filaments and ensuing glass yarn fibers contain a small diameter. The yarn fibers permit flexibility of the material and ready light penetration and ventilation. The material can be coated with a plastic, such as PVC as well as insecticides, and other biocides.

Abstract: This childcare chair includes a seat for receiving the child and a support for the seat, the support carrying members for bearing on the ground. The members are articulated in rotation relative to the support between at least two distinct positions, in each of which the members are deployed relative to the support and which include a high position, in which the members bearing on the ground keep the seat at a second height relative to the ground, and a low position, in which the members bearing on the ground keep the seat at a second height relative to the ground, the second height being strictly smaller than the first height.

Abstract: Various embodiments of the present invention are directed to a children's bouncer controlled by a bouncer control device configured to detect the natural frequency of the children's bouncer utilizing a motion sensing apparatus, such as a Hall effect sensor, and maintain oscillation of the children's bouncer via a magnetic drive mechanism. The magnetic drive mechanism may include a sliding mobile member driven by an electromagnet in order to impart a motive force to the children's bouncer.

Abstract: An end cap display panel which can be attached to a larger fixture alongside an end cap display shelf. The end cap panel display attaches directly to a slotted upright of the larger display and shares the pre-existing slots on the vertical upright with the shelf attachment mechanism so that the shelves can be attached, removed or reconfigured without interference from the end cap display panel. The end cap display panel also provides a plurality of trays which can be snap-fit together to form various display configurations for retaining and displaying a plurality of groups of identical greeting cards. The display takes advantage of previously unutilized space while providing a robust, flexible, modular option for the display of greeting cards or other merchandise alongside end cap shelving.

Abstract: A weighted blanket system that improves the beach experience is described. The weighted blanket system is convenient to use, and store and carry. In addition, the weighted blanket system requires very little time to set up. The weighted blanket system can include a sheet; at least one beanbag; at least one pillow; at least one pocket permanently fastened to the sheet, and at least one pocket securable to the sheet. The sheet can include one or more holes.

Abstract: An orthopedic pillow comprises a padded member which has a hard block fully inserted inside. The padded member is made of resilient materials. The padded member's shape is roughly similar to that of a rectangular or hexagonal block; however, if looked right from its right or left side, the padded member has a symmetric or asymmetric bell shape. The length of the long side of the padded member is roughly equal to an adult's body's width. The hard block is made of non-resilient material. The hard block is able to tolerate, without rupturing and/or deformation, the gravity force on a mass of about 140 kg with a shape and size similar to those of a person's body. The shape of the hard block and of the padded member are similar, and their dimensions are proportional. The length of the long side of the hard block is also roughly equal to an adult's body's width. Both the padded member and the hard block have a flat bottom side.

Abstract: Apparatus and methods for providing therapeutic treatment for symptoms associated with GERD and/or other digestive disorders and/or other medical conditions are described herein. In some embodiments, an apparatus includes a base support and a support pillow member. The base support includes a support element portion and an encasement portion. The support element portion has a first end portion and a second end portion and a top surface disposed at an angle relative to a bottom surface of the support element. The second end portion has a height greater than the first end portion. The support element portion and the encasement portion collectively define an interior region. The support pillow member is disposable within the interior region. The support pillow member, the support element portion and the encasement portion collectively define a receiving portion configured to receive at least a portion of a user's arm and/or shoulder therein.

Abstract: A beverage cooling device for the rapid cooling of the content of canned or bottle beverages is provided. The beverage cooling device is a handheld device that easily engages the top of a can or beverage. The beverage cooling device includes a housing with side walls for mounting a motor. A container engagement member is attached to the motor along the bottom side of the housing such that it is able to freely rotate within the side walls of the housing. The container engagement member is attached to the drive shaft of the motor such that it is able to rotate when the motor is actuated. The container engagement member includes, at its center, a central gripping member for gripping the top of containers with long narrow necks. The container engagement member further includes peripheral gripping members for engaging containers having tops of larger circumferences, such aluminum beverage containers of varying sizes. The motor is actuated by an on/off switch.

Abstract: Athletic compression tights are commonly worn by athletes and active individuals engaged in sports and physical actively ranging from track and field to bicycling. The basic function of compression tights is serve as athletic girdle and support for muscles. This is accomplished through the use of a stretch fabric which is placed in tension as the part is pulled in position on the wearer's body. The substrate athletic tights can be made of natural or synthetic materials, such as but not limited to cotton, nylon, polyester, LYCRA, SPANDEX, and combinations and blends. Use of a relatively thin breathable or wicking material such as nylon can add to the comfort of the wearer.

Abstract: A two part floor covering useful for entranceway is provided having a mat overlaying a base. A fastening system incorporating a mushroom-type fastener is provided, whereby the mat can be laid on the base and positioned as desired, without the fastening system engaging. When the mat is aligned with the base, downward pressure on the mat engages the fastening system and restricts the mat from slipping laterally or lifting vertically. Alignment and deployment of the textile component with the base component in an efficient manner is also described herein.

Abstract: A remotely controlled adjustable mailbox support uses a stepping motor, controlled by a microprocessor/CPU, to raise a mailbox platform above a level where the mailbox can be damaged by a passing snow plow. Based on remote command signals received by a internal communications module, the time and duration when the mailbox is raised can be controlled, as well as the height to which it is raised. An optional temporary rf-signal over-ride capability for mail carriers and/or snow plow operators is also provided, as well as control application software for wireless mobile devices.

Abstract: Systems, devices and methods for holding a cut live tree in an upright position. A Christmas tree stand comprises a supporting base and non-penetrative one-way-pushable screws. Threads in the nuts through which the screws are disposed are pushed out of the way (disengaged from the threads on the screws) when the screws are pushed towards a tree placed in the base, but not when the screws are pulled away from the tree. This makes the screws much easier to push towards the tree than to pull them away, making secure fastening of the tree quick and easy. Screws can also be tightened to provide finer screw adjustment. Non-penetrative screws allow the cut tree to remain fresh longer.

Abstract: A system for mounting decorative objects, such as Christmas trees, is disclosed. The system can include a base and a plurality of inserts. The base can comprise a plurality of feet that have a retracted position for ready storage and a deployed position for supporting a tree. The base can further comprise a locking mechanism for locking the feet in the retracted position, the deployed position, or both. The base can further comprise an adapter for receiving one or more inserts. The inserts can comprise a consistent outer diameter, for insertion into the adapter, and a variety of inner diameters for use with a variety of tree diameters. The insert can be installed on the trunk of a tree and then installed into the adapter on the base simplifying the tree erection process.