a

DEVICES AND SYSTEMS FOR STABILIZATION OF SURGEON'S ARM DURING SURGERY

Described herein is an arm stabilization member for dampening inadvertent movement of the arm of a user during a surgical procedure, comprising an arm support and a movement mechanism coupled to the arm support. The arm support comprises an outer frame sized to support at least a portion of the user's arm and an inner pad lining an inner surface of the outer frame and configured to conform to the user's arm. The movement mechanism comprises a counterbalance system movably connected by joints and configured to compensate for the gravitational forces exerted by the arm of the user.




a

ENGINE MOUNT ASSEMBLY FOR A VEHICLE DRIVE UNIT

An engine mount for a drive unit in a vehicle includes a bracket having first and second joining points for attachment of the bracket to the drive unit. A first mounting member connects the bracket to the drive unit in the first joining point along a first joining axis. An engine mount is arranged on a vehicle body and supports the drive unit via the bracket. A second mounting member connects the bracket to the drive unit in the second joining point along a second joining axis. The first and second joining axes extend at a slant to each other by an axis angle.




a

APPARATUS FOR SECURING A MOBILE DEVICE TO A STEERING WHEEL

The subject matter discloses an apparatus for securing a mobile device to a steering wheel, comprising: a main flap connected to a rear surface of the mobile device, said main flap is made of a rigid material; a holder attached to the main flap, said holder secures the mobile device to the main flap; an elliptic unit extending from the main flap and surrounding the steering wheel. The apparatus may be part of a kit that also comprises a second holder attached to the rear surface of the mobile device, said second holder is in contact with the first holder.




a

AIR BRAKE HOSE SUPPORT BRACKET

A railway car air brake hose support bracket has an upper portion with first and second attachment members, a lower portion and an air hose connector. The first attachment member enters into and engages a portion of an accessible compartment of an uncoupling mechanism housing below the coupler head, and the second attachment member is secured to an air brake hose support lug of the railway car coupler. The air brake hose connector engages an air brake hose assembly and suspends this hose assembly from the railway coupler at a predetermined distance above the rail bed. A method of installing the hose support bracket includes positioning the first and second attachment members, securing them in place, and attaching one or more railway brake hose units to the air hose connector, either before or after this positioning and securing of the upper portion of the bracket.




a

NOVEL CONFIGURABLE CONTAINER-SUPPORT FRAME

A configurable container-support frame is disclosed. The frame includes at least two sections, each section including at least three substantially parallel telescoping members, each connected to two other members by a cross member that is substantially perpendicular to the telescoping members. The telescoping members of one section telescopically engage with the telescoping members of at least one other section and the engaged sections define a configurable volume. The frame may be disposed within an existing container, such as a bag or a box, to improve the protective capabilities of that container. Or the frame may be integrated with a surface, such as a fabric, to create a configurable container with improved protective capabilities over the surface alone.




a

LATERAL DAMPING AND INTERMEDIATE SUPPORT FOR ESCALATORS AND MOVING WALKS IN SEISMIC EVENTS

An intermediate support structure for an escalator or moving walk having a dampening device with slots formed therein allowing a supported escalator truss to be free to move laterally to accommodate lateral displacement caused by story drift during an earthquake or seismic event.




a

Post Mounting Assembly and Method for Molten Metal Pump

A molten metal pump apparatus that includes a base member, at least two (2) support members or posts, and a post socket. The lower end of each post is mounted to a mounting bore of the base member and forms a cement-less pump joint. The upper end of the post is connected to the post socket to form a cement-less pump joint. The post socket is defined by a first half and a second half that have an open or separated position for receiving the upper end of the post and a closed or joined position for securing the upper end of the post.




a

VIBRATION ISOLATOR WITH A VERTICALLY EFFECTIVE PNEUMATIC SPRING

A vibration isolator with a pneumatic spring that is effective only in vertical direction, the pneumatic spring including a working space in which a vertically effective actuator is disposed.




a

BASE MOUNTING ASSEMBLY AND DISPLAY DEVICE

A base mounting assembly and a display device are provided. The base mounting assembly includes a main support on a side of a first device, a base including a pedestal part below the first device and a support post connected with the pedestal part and opposite to the main support, the support post including a first end away from the pedestal part and a second end connecting with the pedestal part, and a cushion block movably provided between the support post and the main support. A distance between the support post and the main support is gradually reduced from the first end to the second end so that when the cushion block is moved between the first end and the second end, a position of the support post relative to the main support is changed, causing a change of a position of the pedestal part relative to the first device.




a

GIMBAL SYSTEM HAVING PRELOADED ISOLATION

A gimbal system, including apparatus and methods, with one or more gimbals having non-preloaded or preloaded vibration isolators, a biased preloading compensation mechanism, sag compensation, and/or lateral snubbing.




a

ADJUSTABLE MOUNT FOR A MOUNTABLE DEVICE

A mount assembly for a mountable device such as a laser unit, such as a hybrid point and line laser that projects a vertical plumb dot(s) up and down, combined with horizontal and plumb projected lines. The mount assembly comprising: a base, a X-axis linear actuator, an upright support, a Y-axis linear actuator, an extension arm, a Z-axis linear actuator, a support plate assembly, and a mount for mounting on the mountable device.




a

MOUNTING FOR ELECTRICAL JUNCTION BOX IN A CINDERBLOCK WALL

A wedge member for securing an electrical conductor box within a hollow concrete block which is to be incorporated in a concrete block wall. The wedge member includes an elongated member dimensioned for a force fit within a hole within the concrete block.




a

ATTACHMENT DEVICE FOR A CABLE

Device for attaching a cable to a structure using an implement that includes a first body segment having a first end, a second end, and an inner wall, and defines a recess extending from the first end to the second end. The implement is receivable within the recess from the first end and permitted to extend beyond the second end to attach the device to the structure. A second body segment is coupled to the first body segment by a joining member, the second body segment having a first end, a second end, an inner wall, and defining a second body channel adapted to receive the cable. The inner wall of the first body segment, the inner wall of the second body segment, and the joining member define a first channel adapted to receive the cable.




a

CARD TRAY FOR ELECTRONIC DEVICE AND TRAY CARRIER ASSEMBLY USING THE SAME

A card tray for use in electronic devices is disclosed that can improve tray durability, eliminate the occurrence of resin flash during insert molding, and simplify the tray mold structure. The card tray for electronic devices according to a preferred embodiment may be a card tray for electronic device use for insertion into and withdrawal from a card socket of an electronic device with a card loaded thereon, comprising a tray body made of a nonmetallic material whereon is formed a card mounting hole or mounting recess for mounting the card, and a metal frame part that is coupled to the tray body so that the cross section protrudes from the front of the tray body.




a

ELECTRONIC UNIT HOLD DOWN ASSEMBLY

A hold down assembly for an electronic unit includes a locking washer having a cone at a front end thereof. The locking washer has a tang provided in the cone and extending forward from the cone. The cone is configured to receive a mounting hook of the electronic unit with a first side of the tang bearing against the mounting hook to lock the position of the locking washer relative to the mounting hook. An actuator knob is rotatably coupled to the locking washer. The actuator knob is configured to be tightened to a threaded shaft to tighten the hold down assembly to the electronic unit and drive the locking washer toward the mounting hook.




a

REVERSE MOUNT APPARATUS FOR A RACK-MOUNTED SYSTEMS

An apparatus for reverse mounting an electronic device in a server housing is provided. The apparatus includes a first bracket, a second bracket, and a coupling. The first bracket couples to the device body and extends outward from the device body toward a front rail of the server housing. The first bracket includes a first end configured to releasably couple to front rail of the server housing. The second bracket includes a protrusion that extends outward from the device body in an opposite direction relative to the first bracket. The coupling includes a first portion that couples to a rear rail of the server housing and a second portion defining a channel that receives the protrusion of the second bracket.




a

BRACKET AND FOOLPROOF DEVICE THEREOF

A bracket is configured to be mounted to a post of a rack. The bracket includes a side plate, an end plate, a first mounting member and a foolproof device. The end plate is substantially perpendicularly connected to the side plate. The first mounting member is mounted to the end plate. The foolproof device is arranged at a side of the end plate. When the bracket is placed at a first mounting angle relative to the post, the fool proof device does not interfere with the bracket, in order to allow the bracket to be mounted to the post. When the bracket is placed at a second mounting angle relative to the post, the foolproof device interferes with the bracket, in order to prevent the bracket from being mounted to the post.




a

UNDERMOUNT DRAWER SLIDE POSITION ADJUSTMENT APPARATUS AND METHOD OF USE

An undermount drawer slide mounting clip releasably attaches a drawer to a drawer rail assembly mounted in a cabinet carcass. The apparatus is capable of effecting positional adjustments of the drawer in three directions without removing the drawer from the cabinet carcass. The apparatus is comprised of a body slidingly engaged with a bonnet. A trigger pivotally connected between the body and the bonnet. A spring loaded catch slidable within the bonnet and acted on by the trigger to releasably attach the apparatus to a drawer rail assembly. A threaded spindle rotates within the base and adjusts the horizontal position of the drawer. A ramp adjustably connected to the base adjusts the vertical position of the drawer. A plunger extends from a housing connected to the body to adjacent the drawer rail assembly and adjusts the depth of the drawer.




a

CASSETTE CLAMP MECHANISM

A surgical cassette clamping system includes a mounting plate having a first side and a second side. A bracket system may be disposed adjacent the first side of the mounting plate. A clamp motor may be disposed adjacent the mounting plate and fixed relative to the mounting plate. The clamp motor may be operably connected to the bracket system to displace the bracket system relative to the mounting plate. The system may also include a plurality of pivot arms pivotably connected to the bracket system and extending adjacent the second side of the mounting plate. An engagement portion may be attached to each of the plurality of pivot arms that cooperatively engages the second side of the mounting plate, the engagement portion being operable to pivot the pivot arms when the bracket system moves relative to the mounting plate.




a

HOLDING STAND

A holding stand for a heating tool such as a soldering or de-soldering device. The holding stand has a rotary member for securing the heating tool and an assembly for moving and positioning the rotary member with the heating tool in any of three axis.




a

SEAT SUSPENSION SYSTEM, APPARATUS, AND METHOD OF USING SAME

A suspension system has an isolator cylinder with a primary reservoir having a primary reservoir volume, a secondary reservoir having a secondary reservoir volume, a manifold and a primary duct fluidly connecting the primary and secondary reservoirs for controlling the flow rate of the fluid between the primary and secondary reservoirs, and optionally a valve for controlling a flow rate of a fluid through the duct, and a control system for operating the valve. A shock absorption system for a vehicle seat is provided comprising an isolator with at least one secondary pneumatic reservoir connected with a fluid duct to the primary reservoir of an isolator. The reservoir volumes, length and cross sectional area of the connecting duct and fluid flow control valves may be determined using methods including algorithms, experimental testing and models to determine the optimal values to achieve consistent shock mitigation across a range of seat loads.




a

WEIGHT SYSTEMS AND METHODS STABILIZING OBJECTS

A weight system for supporting a free-standing object comprising first and second upper panels, a least one side panel, a lower panel, and a closure system. The panels are joined to define an upper wall and at least side wall, with the first and second upper panels defining a fill opening in the upper wall and a container defining an interior chamber. The closure system is arranged to allow the container to be configured in a closed configuration in which access to the interior chamber through the fill opening is substantially prevented and an open configuration in which access to the interior chamber through the fill opening is allowed.




a

FAN FIXING DEVICE

A device for assembling a heat dissipation fan in a computer includes a cage, a handle, and a movable portion. The handle is rotateably fixed on the cage, the handle has a pushing pole and holes are defined at each distal end. The movable portion is movably and elastically connected to the cage. The movable portion includes a plate with a first limit pillar and a second limit pillar spaced from the first limit pillar; and an elastic element abutting the first limit pillar.




a

Pipe Suspension Clamp Hanger

A hanger for supporting a pipe, which comprises a split ring structure for receiving the pipe, a threaded rod to receive a circular clamp, an adapting mechanism for coupling a pair of c-shaped arms of the split ring structure and a plurality of nuts for adapting the split ring structure. Further, the split ring structure is configured to form a c-shaped saddle support strap by the plurality of nuts.




a

CONDUIT SPACING AND MOUNTING SYSTEM AND METHOD

A conduit spacing and mounting system and method are provided for prefabricating multilayered assemblies of conduits and mounting them end-to-end in a building. The system includes a pair of spacer plates, each having a same pattern of conduit-receiving openings, and a plurality of clamping assemblies, each including a bracket which is discrete from and individually attached to the spacer plate adjacent to one of the conduit-receiving openings. The clamping assemblies are oriented at different angles relative at different rows of the conduit-receiving openings to provide access for a clamp-tightening tool in the spaces between different rows of conduits. The use of spacer plates largely prevents lateral misalignments between the conduits, and the use of a separate bracket formed from a harder, stronger or thicker metal than the spacer plate greatly increases the strength and reliability of the clamping force applied to the conduits.




a

EXTENSION-TYPE CABLE TIE FRAME FOR POWER CABLE

An extension-type frame for power cable tie, the extension-type frame comprises a first cable frame having a first plane surface, the first plane surface has a plurality of first protruding rings, each of the first protruding rings can form a first cable tie hole; a second cable frame having a second plane surface, the second plane surface has a plurality of second cable tie holes; wherein a plurality of edges of the second cable frame respectively insert into a plurality of rail spaces of the first cable frame, the first and second cable frames can slide each other, the first protruding rings of the first plane surface are located above the second cable tie holes of the second plane surface, thereby preventing interference between the second cable tie holes of the second plane surface and the first cable tie holes of the first plane surface, and therefore the second plane surface can adjust the available quantity of the second cable tie holes.




a

VEHICLE POSITIONING APPARATUS

The present disclosure relates to a vehicle positioning apparatus. An implementation may comprise a base provided with a recess, wherein each of two opposite sides of an upper edge of the recess are rotatably provided with a flap, and wherein a power unit may be provided on an outer side of a corresponding flap opposite to the recess. Further, the power unit may be adapted for driving the corresponding flap to transfer between a first supporting position and a second supporting position inclining downwardly, wherein the first supporting position is in a range from a position higher than the second supporting position to a position in a same plane as an upper surface of the base. Such vehicle positioning apparatus may achieve precise positioning of a whole vehicle, such as via the wheels of the vehicle, yielding high positioning accuracy, with simple structure, stable transmission, and low production cost.




a

MOUNTING BRACKET METHOD AND SYSTEM

Disclosed are a method and/or a system of a mounting bracket. In one aspect, the mounting bracket includes a rectilinear faceplate. The rectilinear faceplate has three edges. The adjacent edges produce a specific angle between the adjacent edges. The rectilinear faceplate is capable of being attached to an item to be mounted onto a surface. The mounting bracket includes three walls where each edge is adjoined perpendicular to a corresponding wall. The mounting bracket includes three lips. Each lip is adjoined perpendicular to the corresponding wall such that each edge is associated with a corresponding lip. Each lip is capable of attaching to a fixture affixed to the surface. The mounting bracket allows the item to be mounted on the surface in two specific orientations. The two specific orientations are determined based on being able to rotate the item by a difference between 180 degrees and the specific angle.




a

Support Stand for a Musical Instrument

A support stand for supporting a stringed instrument having a securing mechanism, a front compression plate having a leg portion, and a back compression plate having a leg portion, where the front compression plate engages the securing mechanism, the back compression plate engages the securing mechanism, and the support stand supports the instrument in a generally upright position when the support stand is placed on a surface.




a

MOUNTING BRACKET FOR ELECTRICAL OR COMMUNICATION DEVICE

A stud mounting bracket for a junction box includes a mounting extension extending outward from a longitudinal end margin of a main body. The mounting extension includes a mounting body connected to the longitudinal end margin of the main body and an extension tab connected to the mounting body. The extension tab is pivotable relative to the mounting body about an axis from a compact configuration to an extended configuration to increase the length of the mounting extension. A box mounting bracket for mounting a junction box on a stud mounting bracket includes first and second jaws. The first and second jaws engage the stud mounting bracket for use in attaching the box mounting bracket to the stud mounting bracket. The first and second jaws are resiliently deflectable both relative to the base and independent of one another when attaching the box mounting bracket to the stud mounting bracket.




a

L-BRACKETS FOR MOUNTING WITH EXTENDED MOBILITY RANGE

Embodiments are disclosed that relate to mounting brackets for speakers. In some embodiments, a mounting bracket includes a first plate portion; a second plate portion, the second plate portion perpendicular to the first plate portion; and a slot extending continuously from the first plate portion to the second plate portion.




a

ARTICULATING, SELF RETAINED ON-WALL BRACKET MOUNTING SYSTEM

This invention is a mounting system for a loudspeaker system that is capable of positioning and re-positioning the box-like device of the loudspeaker without requiring the use of any retaining/tensioning fasteners. A bracket facilitates constraining the positioning and repositioning for the roll and pitch axes while simultaneously providing audible feedback angular movement indication that enable vertical and horizontal orientation with respect both to the installation environment and to match its positioning to other like installed systems.




a

Exercise mat

An inventive mats system is provided in which a towel can be removed and changed when desired. The mat system can manipulated into a rolled configuration. When rolled, a logo on the bottom of the base mat is visible. At least one elastic strap is used to keep the mat in the rolled configuration for easy toting and storage. The system includes a holding mechanism that allows the towel to be secured to the mat mechanically. The towel has a skidless surface on top to allow a user not to slid off the towel.




a

Transformable bed for examinations in pediatric ophthalmology

A transformable bed for examinations in pediatric ophthalmology, especially suitable for the use of general anesthesia when conducting eye examinations, is provided. The bed may include a fixed bed board, a movable bed board, a movable seat, a movable support, a securing strap, and a main frame. The bed may be fixedly connected to the top of the main frame, the movable bed board may be rotationally connected to the top of the main frame, and the movable seat may be rotationally connected to the top of the main frame. The securing strap may be disposed on the movable bed board, in which one end of the movable support may be removably connected to the movable bed board, and another end may be removably connected to the main frame. The transformable bed may function both as an anesthesia bed and a handcart, and may be quickly switched therebetween.




a

Head support for stopping snoring

A head support for stopping snoring of a sleeping individual, wherein the head support has a head resting surface for the head of a sleeping individual to rest on, including an active layer with an arrangement of neighboring deforming elements for controlling the height of the head support section by section, and a sensing layer which is arranged between the head resting surface and the active layer to detect a position of the head resting on the head resting surface.




a

Traveling wave air mattresses and method and apparatus for generating traveling waves thereon

An air mattress apparatus includes an air mattress which comprised of an array of air bladder cells that are individually inflatable to quiescent pressure levels which provide comfortable support for the body of a human, and a pressure-pulse generator controlled by a wave sequence generator for introducing into ordered patterns of air bladder cells a wave-like time sequence of air pressure pulses which vary quiescent pressure levels in the cells, the pressure wave resulting in a traveling wave of support force variation which travels over the surfaces of the pulsed air bladder cells, thus inhibiting formation of bedsores. The wave pattern may optionally simulate water waves and/or rocking motions of a boat to produce relaxing effects.




a

Backboard for an automated CPR system

A backboard for an automated cardio pulmonary resuscitation system, said backboard comprising a board element, the board element defining a plane and having a top edge, a bottom edge a first side edge and a second side edge; a set of connectors adapted for connection of the backboard to an automated cardio pulmonary resuscitation unit, said connectors being provided at said side edges; and at least one set of stabilizing elements extending away from an edge and transversely to said plane.




a

Baby crib

A baby crib includes an upright segment having a lower end portion and an upper end portion, a base connected with the lower end portion of the upright segment, an elongated support structure extending along a horizontal plane above the base and connected with the upper end portion, and a bassinet assembled with the support structure and having an inner space adapted to receive the placement of a baby therein. The bassinet has a sidewall provided with a side opening communicating with the inner space. The support structure is operable to displace the bassinet horizontally to modify a distance between the bassinet and the upright segment.




a

Bedmaker

Levitation devices are disclosed for use with beds. In one embodiment, the levitation device is configured to facilitate rotation of a mattress with respect to a box spring. In another embodiment, the levitation device is configured to facilitate making a bed which allows sheets and blankets to be tucked between the mattress and the box spring without the need to lift the mattress. In a third embodiment, the levitation device functions as a hybrid device and can be used for making a bed or rotating a mattress.




a

Detachable waterproof pad system

Systems relating to a safe and easily removable and reusable waterproof pad with accompanying bottom layer that attaches to a crib mattress. The detachable waterproof pad of the present invention seeks to reduce the risk of sudden infant death syndrome (SIDS) by providing a tightly fitted pad to comply with current SIDS recommendations. The pad can be changed, cleaned, and replaced frequently.




a

Patient positioning device primarily developed for stereotactic body radio surgery (SBRT)

The present invention provides a patient positioning device, which enables the latest advances in Stereotactic Radiation Therapy. The geometry, which incorporates at least one window or lateral cut-out, is designed to allow clear treatment access to the patient during non-coplanar treatment regimes through the use of windows or lateral cut-outs. A laterally positionable diaphragm compression device allows the full use of the geometry. The development of a stand-alone device and a couch top insert device allows for a maximum number of protocol methods while minimizing the skin surface radiation dose to the patient.




a

Movable lift device having rotatable bed

A movable lift device including a rotatable bed which can be lifted or rotated by a user, with laying a user thereon. The movable lift device having a rotatable bed includes a base frame comprising a plurality of wheels installed therein; a post rotatably coupled to the base frame, the post upwardly extended from the base frame a predetermined length in an ā€œLā€ shape; and a bed comprising a bed part that is able to ascend along the post, the bed part allowing a user to lie thereon. The post rotatably supporting the bed has an ā€œLā€ shape and the supporting point of the post rotatably supporting the bed is formed in the center of the base frame, such that the structure may be stably maintained even when the bed having the patient lying thereon is rotated, only to prevent an accident of overturning the movable lift device.




a

Body pillow with multiple configurations

A reconfigurable support pillow comprising an elongate center section with a short, curved arm on each end. Between each of the arms and the center section is a substantially flat connecting section with inwardly curved side edges. This shape allows the pillow to be placed into several configurations. In a first configuration, the center section is bent and the connecting sections overlap each other without creating a thickened area at the point where the connecting sections cross. Additionally, the curved ends of the pillow arms can be overlapped providing an oval configuration with a double thickness at one side. Still further, the pillow can be used with the center section straight and curved arms turned inward towards each other. Each configuration provides different advantages and use. The pillow may comprise a washable cover with removable inserts.




a

Sleepy heads neck pillow

The embodiments disclosed herein are related to a supportive head and neck pillow with a supportive bone structure inside the pillow. The pillow is used for head and neck support, and comfort while sleeping sitting up during transportation. It can also be used for head and neck support for people who have neck injuries, or to prevent neck injuries during transportation. The sleepy heads neck pillow disclosed comprises a pillow with a bone structure support inside it.




a

Wheelchair cushion with adjustable/multi-stiffness fluid

A wheelchair cushion comprises a dual stiffness fluid. A cushion also comprises an ability to adjust fluid volume.




a

Mattress

A mattress including a plurality of cells aligned and disposed on a body pressure working surface of a substrate that supports a human body; and a pressure control member that changes a height of each cell by adjusting a pressure in a fluid chamber formed within the cell. The cells are configured such that as the each cell is inflated by fluid supplied to the fluid chamber within the cell, the height of the each cell increases and a width dimension of the each cell in a direction of alignment decreases, and that peripheral portions of adjacent cells in the direction of alignment are overlapped with each other prior to cell inflation.




a

Mattress structure

A mattress structure contains: an elastic mattress. The elastic mattress includes a main body, two elongated extensions extending along two peripheral sides of the main body, and an outer segment formed on one end thereof to correspond to user's feet. The elastic mattress is made of plural first plastic wires which are solid and are irregularly winded together, a connection portion of at least two of the plural first plastic wires is melted, and a disconnection portion of the at least two of the plural first plastic wires includes plural gaps formed therein. The elastic mattress also includes two support areas arranged below the two elongated extensions, and each support areas has plural second plastic wires winded therein, wherein a density of the plural second plastic wires is greater than those of the other positions of the elastic mattress besides the two support areas.




a

Vacuum mattress

A vacuum mattress for an operation table has plural foam strips oriented longitudinally with respect to a patient, the foam strips being laterally spaced apart, wherein the gaps are free from granulate of the vacuum mattress at least in their upper parts and the plural foam strips are separated from the granulate by a gas-impermeable layer.




a

Reverse coil head coils and innersprings

A reverse coil head coil and innerspring has a generally cylindrical and helical wire form coil body and opposing coil ends which terminate on opposite sides of a reference plane that passes through the coil body. The reverse coil head coils are interconnected in a matrix to form an innerspring wherein only one terminal end of each coil is located at a perimeter of the innerspring. Variations in the number and pitch of helical turns of the coil body are also disclosed.




a

Portable playpen

A portable playpen which can be erected, collapsed and carried while holding a baby, includes a framework supporting an enclosure for a child. The framework has a generally pyramidal structure when it is erected.