JP2021519651A - Versatile sex toy parts kit - Google Patents

Abstract

The present disclosure discloses parts of functional toys such as children's walkers, push wagons, children's push-and-ride ons, wheel toys, locking hoses, and assistive devices for crawling, standing, rolling, jumping, climbing, and balance training. Regarding the kit. In a first aspect, the present disclosure is a functional toy component kit having a first end, a second end, and a radially extending flange disposed between the two ends. One or more connectors (s); one or more foam elements (s) having at least one substantially planar surface, the surface of which is at least the first end of the connector. With a foam element having at least one opening extending perpendicular to a planar surface to receive, the connector flange serves as a stopper for insertion of the first end into the foam element opening. The parts kit is configured so that when the first end is inserted into the foam element opening to the stopper position and an additional appropriate amount of force is applied to the connector in the insertion direction, the connector flange of the foam element. It relates to a parts kit that widens a hole in the plane, removes additional force, and then keeps the hole widened by the frictional force between the connector and the opening. [Selection diagram] Fig. 1

Description

The present invention relates to a walker for children, a push wagon, and a parts kit for functional toys such as ride-ons, wheel toys, locking hoses, and assistive devices for crawling, standing, rolling, jumping, climbing, and balance training.

Solid foam is a commonly used material for toys due to their physical and mechanical properties, including restoring force, low hardness, flexibility, elasticity, and light weight. As such, the solid foam elements are durable and easy for children to handle, while at the same time having a low risk of danger or destruction during handling or play. In addition, the physical and mechanical properties of the solid foam can be adjusted by selecting the type of solid foam, depending on the purpose of the toy.

Sex toys are designed to promote and develop children's abilities such as imagination and spatial intelligence, fine movement, and coarse movement power and skills. Examples of sex toys include structural toys or toy construction sets, where these parts are detachably attached to each other to form a variable structure. It can be disassembled and reassembled to make additional structures.

U.S. Pat. The rectangular parallelepiped member is made from a restoring foam material exemplified as a polyurethane foam with a density of 3-9 pounds per cubic foot and a hardness grade of about 20 on a shore OO scale. The connector is made of non-restoring material, and each end of the connector is received by an opening in the face of the opposing rectangular parallelepiped. The connector may have an intermediate stop, such as a disc, to ensure the positioning of the connector on the surface of the opposing rectangular parallelepiped. The closely abutted rectangular parallelepipeds are thus obtained by coherent fitting, and the intermediate portion of the connector is received at the matching openings in the faces of the rectangular parallelepipeds.

The present invention provides for a sex toy parts kit, a building element comprising a solid foam element and further a connector that can be adapted as a rotating shaft.

The first aspect of the invention is a sex toy parts kit.
-One or more connectors (s) with radial extending flanges located between the first end, the second end, and the two ends.
-One or more foam elements (s) having at least one substantially planar surface, which surface is relative to the planar surface to receive at least the first end of the connector. With foam elements, with at least one opening extending vertically,
The connector flange is configured as a stopper for insertion of the first end into the foam element opening.
The part part is inserted into the opening of the foam element to the stopper position at the first end, and when an additional appropriate amount of force is applied to the connector in the insertion direction, the flange of the connector is holed in the surface of the foam element. With respect to a parts kit, which is configured to keep the hole open by the frictional force between the connector and the opening after the additional force has been removed.

Therefore, the connector flange is configured as a stopper for insertion of the first end and / or second end of the connector into the foam element opening.

In the parts kit, when the end of the connector is inserted into the foam element opening to the stopper position and additional force is applied to the connector in the insertion direction, the connector flange becomes a substantially flat surface of the foam element, especially the opening. It is preferably configured so that a part of the planar surface adjacent to and / or surrounding the flat surface can be elastically deformed.

Deformation is usually brought about when an appropriate amount of force is applied to the connector in the insertion direction, i.e., when the force is applied perpendicular to the planar surface of the foam element. As a result, the connector flange can open a hole in the surface of the foam element.

The parts kit also causes the connector flange to remain open in the foam element due to the frictional force between the connector and the opening or the frictional force at the contact surface between the connector and the opening when additional force is removed. It is configured.

The frictional resistance between the inserted connector end and the foam element opening further determines the amount of force required to assemble and disassemble the kit.

When two of these foam elements are integrally attached using one or more of these connectors, the surfaces of the foam elements are deformed and the connector flanges widen the holes, resulting in the adjacent planar surface of the foam elements. The faces can come into contact with each other so that there is virtually no gap between the faces of the adjacent foam elements.

Advantageously, the connector is an elongated element having the same shape as the foam element opening, and more advantageously, the foam element opening has a cross-sectional size dimension that is smaller than the cross-sectional size of the connector. For example, the connector may be a cylindrical connector with a first cylindrical end, a second cylindrical end, and a radially extending flange located between the two cylindrical ends, and the opening of the foam element. The portion is advantageously a cylindrical opening, the diameter of the opening being at least 0.2, 0.3, 0.4, or 0.5 mm smaller than the diameter of the connector.

A second aspect of the invention is a sex toy parts kit.
-Wheels with solid foam with concentric openings with respect to the axis of rotation;
-With bushings placed in concentric openings;
-Equipped with a connector that fits as a rotating shaft that can be attached to the bushing using a fastening mechanism such as snap fit.
With respect to a parts kit, the frictional resistance of the fastening mechanism is configured to be adjustable.

It is preferable that the wheels can be attached to a connector suitable as a cylindrical rotating shaft by using a fastening mechanism such as a snap fit. Similarly, a connector suitable as a cylindrical rotating shaft is attached to any foam building element as disclosed herein, using a fastening mechanism such as a snap fit so that the wheel can be attached to the building element. It can be possible. Thus, the first end of the connector can be fitted as a rotating shaft and connected to the wheel, and the second end of the connector can be inserted into the foam element opening as described above.

The frictional resistance between the wheel and the rotating shaft and between the building element and the rotating shaft determines the rolling resistance of the wheel to the building element. Advantageously, the component kit is configured so that the frictional resistance of the fastening mechanism between the wheel and the shaft and / or between the building element and the shaft is adjustable so that the rolling resistance to the building element of the wheel is variable. NS.

Advantageously, the rolling resistance of the wheels and / or building elements is determined by the frictional resistance between the bushings located in the concentric openings of the wheels that coincide with the rotating shaft or connector and the rotating shaft.

The frictional resistance is preferably changed by changing the contact surface area between the bushing and the rotating shaft. For example, in a snap fit configuration, the contact surface area can be varied by the size of the snap fit.

A third aspect of the invention relates to a sex toy comprising a kit according to the first and / or second aspect of the invention. Preferably, the functional toys are selected from the group consisting of children's walkers, push wagons, and ride-ons, wheel toys, locking hoses, and assistive devices for crawling, standing, rolling, jumping, climbing, and balance training. Can be done.

The parts kits disclosed herein translate into a large number of different structures in which the parts kits are suitable for promoting and enhancing gross motor development in children of different age groups and with different motor skills. It can be assembled, disassembled and reassembled, increasing its versatility. Thus, advantageously, the parts kit is reconstructed and reused as the child develops, thereby providing a cost-effective sex toy. The present invention further provides a functional toy that is easier and easier to assemble, which is more secure and more environmentally friendly and robust.

The invention will be described in more detail below with reference to the accompanying drawings.

It is a perspective view of the embodiment of the assembly of a parts kit. The kit comprises two building blocks or foam elements connected by connectors, and the kit before assembly is shown. It is a perspective view of the embodiment of the assembled parts kit. The two building blocks of FIG. 1 are assembled via connectors. FIG. 2 is a cross-sectional view of an embodiment of a connected construction block or form element of FIG. 2 including an inserted connector. FIG. 5 is a cross-sectional view of an embodiment of connected foam elements, including a connector. (A) is a close-up view of the connector flange 3 and the adjacent surface 6 when the end of the connector is inserted into the foam element opening to the stopper position. (B) is a close-up view of the connector flange 3 and the adjacent surface 6 after the connector flange applies force to the connector so as to widen a hole in the adjacent surface of the adjacent foam element. It is a figure of the embodiment of a rotatable foam wheel. (A) is a diagram of a wheel assembled or connected to a rotating shaft or shaft such that the wheel is rotationally attached to a cylindrical shaft. (B) is a view of a wheel and a rotating shaft before assembly. FIG. 5 is a diagram of an embodiment of a foam wheel in which the cylindrical surface of the wheel opening comprises a bushing 5a, further comprising a protrusion 8 and a bushing opening 5b. (A) is a close-up perspective view of a protrusion. (B) is a close-up schematic perspective view of the protrusion. FIG. 5 is a perspective cross-sectional combination view of an embodiment of a foam wheel that is rotationally attached to a cylindrical connector by a first snap fit. (A) is a close-up view of the first snap-fit shown by a circle, and (B) is a close-up schematic view. FIG. 5 is a perspective cross-sectional combination view of an embodiment of a foam wheel that is rotationally attached to a cylindrical connector by a second snap fit. (A) is a close-up view of the second snap-fit indicated by a circle, and (B) is a close-up schematic view. (A) for rolling, (b) for shaking, (c) for standing, (d) for climbing, (e) for crawling, (f) for balancing, (g) for jumping It is a figure of the embodiment of the parts kit according to this disclosure assembled into various functional toys of. FIG. 5 is a diagram of an embodiment of a parts kit according to the present disclosure assembled into various functional toys such as (a) baby walker and (b) push and pedal ride-on. FIG. 5 is a diagram of an embodiment of a form element having a rectangular parallelepiped shape, wherein the planar surfaces of the rectangular parallelepiped have openings of 2, 2, and 5, respectively. (A) is a perspective view of a rectangular parallelepiped, and (B) is a cross-sectional view of a planar surface including exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment having a foam element having an angled block-shaped prismatic shape, the planar surfaces having openings 1, 2, and 2, respectively. (A) is a perspective view of the block, and (B) is a cross-sectional view of a planar surface including exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a foam element having a semi-cylindrical shape, the planar surface having 2 and 9 openings, respectively, and the cylindrical curved surface having 9 openings. (A) is a perspective view of the block, and (B) is a cross-sectional view of a planar surface including exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a foam element having a complex shape of a curved rectangular parallelepiped, the planar surface having 2, 4, and 17 openings, respectively, and the curved surface having 13 openings. (A) is a perspective view of the block, and (B) is a cross-sectional view of a planar surface including exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a foam element having a wheel shape, each of which has one opening for rotationally mounting a planar surface to a rotating shaft. (A) is a perspective view of the block, and (B) is a cross-sectional view of a planar surface including exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a connector in which the first and second ends of the connector are symmetrical, including the exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a connector in which the first and second ends of the connector are symmetrical, including the exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a connector in which the first and second ends of the connector are asymmetric, including the exemplary dimensions of length, diameter (Φ), and curvature (R). FIG. 5 is a diagram of an embodiment of a connector to a rotating shaft, configured such that a first end of the connector and optionally a second end are rotationally attached to a wheel. Each end of the connector is further provided with two grooves, the groove farthest from the flange is provided with a plurality of second protrusions located within the groove channel, the second protrusion with respect to the groove direction. It has a vertically oriented parallel ridge pattern shape.

The disclosure is described below with reference to the accompanying figures. It will be appreciated by those skilled in the art that the same features of the device components will be indicated by the same reference numbers in different figures. A list of reference numbers is given at the end of the embodiments for carrying out the invention.

[Sex toys]
The disclosed parts kit of the invention is assembled, disassembled and reassembled into various functional toys suitable for promoting and enhancing gross motor development in children of different age groups and with different motor skills. Can be assembled. Thus, the parts kit provides a versatile functional toy with various assembly structures that have different functions and can be adapted to the motor skills of children of different ages and motor skills development.

FIGS. 9-10 show embodiments of kits assembled into various sex toys. For children learning to crawl, stand, and walk, parts and parts kits can be assembled as shown in FIGS. 9e, 9c, and 10a, respectively. For children who are acquiring and polishing more advanced motor skills, parts and parts kits balance toys for rolling (Fig. 9a), locking hoses (Fig. 9b), toys for climbing (Fig. 9d). Can be assembled as a toy for (FIG. 9f), a toy for jumping (FIG. 9g), a push-and-pedal ride-on (FIG. 10b), or a similar wheel toy such as a balance bike and a push bike.

In the disclosed embodiments, the parts kit is assembled into a functional toy selected from the group consisting of locking hoses, crawling, standing, rolling, jumping, climbing, and assistive devices for balance training. In another embodiment, the parts kit is assembled into a functional toy selected from the group consisting of a children's walker, a push wagon, and a ride-on, and a wheel toy.

The parts kit according to the present disclosure further provides a functional toy with improved robustness and stability of the assembled structure, and the parts are made from environmentally friendly materials. Thus, the kit provides a sex toy that is safe and reliable in use.

[Assembly and disassembly]
FIGS. 1 and 2 show an embodiment of assembling a parts kit. The embodied component kit 1 includes a cylindrical connector 2 and two rectangular parallelepiped foam elements 4, FIG. 1 shows a perspective view of the kit before assembly, and FIG. 2 shows a perspective view of the assembled kit.

The foam element is a rectangular parallelepiped, and each planar surface 4a comprises two or more cylindrical openings 5 extending perpendicular to the planar surface having the openings. As shown in FIGS. 1 and 2, the cylindrical opening may extend from the first planar surface of the foam element to, optionally, the opposite surface of the foam element, which is also a planar surface. Thus, the two foam elements shown in FIG. 1 have the same shape and have openings of the same shape.

The cylindrical connector comprises a first cylindrical end 2a, a second cylindrical end 2b, and a radially extending planar flange 3 disposed between the two cylindrical ends.

In FIG. 1, the first cylindrical end 2a is partially inserted into the cylindrical opening 5 of the foam element 4 arranged at the bottom. As described above, the cylindrical opening is configured to receive the first cylindrical end. Insertion of the connector end is restricted by the connector flange 3. This can be achieved by the size of the connector flange being greater than the diameter of the opening, for example the connector flange having a diameter greater than the diameter of the opening. Thus, the connector flange is configured as a stopper for insertion of the first cylindrical end into the foam element opening. Thus, when the cylindrical end is inserted into the foam element opening and the flange contacts the planar surface of the foam element, the connector is fully inserted and is in the stopper position.

FIG. 1 shows a connector that is partially inserted within a foam element at the bottom. When the connector is fully inserted, the connector flange 3 is in contact with the planar surface 4a of the bottom foam element.

After the first end of the connector is inserted at the stopper position of the first foam element, the second end of the connector can be inserted at the stopper position of the second foam element. Thus, the first form element and the second form element become adjacent form elements and are connected as shown in FIG.

At the stopper position, the flange touches or abuts the respective planar surface of the adjacent foam element. Thus, as shown in FIG. 4A, there is a gap between the adjacent surfaces 6 of the adjacent foam elements, the size of the gap depends on the thickness of the flange.

When additional force is applied to the connector in the insertion direction, i.e. in the longitudinal direction of the connector, the flange of the connector can open a hole in the adjacent plane of the adjacent foam element, as shown in FIGS. 3 and 4B. Additional force can be obtained by simply pushing adjacent foam elements together.

3 and 4B show that when the connector is inserted into the foam element opening to the stopper position and additional force is applied to the connector in the insertion direction, the connector flange becomes a substantially flat surface of the foam element, especially the opening. Indicates that a part of a planar surface adjacent to and / or surrounding is elastically deformed. Deformation is usually brought about by applying an appropriate amount of force in the insertion direction to the connector, that is, a force applied perpendicular to the planar surface of the foam element. As a result, the connector flange can open holes in the surface of the foam element.

FIGS. 3 and 4B also leave the connector flange open in the foam element due to the frictional force between the connector and the opening or the frictional force of the contact surface between the connector and the opening when additional force is removed. It also shows that. Thus, the frictional force or resistance between the inserted connector end and the foam element opening determines the amount of force required to assemble and disassemble the kit.

The frictional force between the fully inserted connector and the foam element opening is the foam-to-connector contact surface structure, contact surface size, such as foam element material, connector material, foam surface and connector surface morphology or roughness. That is, it depends on several factors, including the amount of surface area of the connector in contact with the foam, the shape of the connector, and the shape of the foam opening. More essentially, the frictional force for assembling / disassembling the kit also depends on the number of connectors used to connect the foam elements.

Advantageously, frictional resistance is made so that assembly and disassembly, including flange widening of holes, can be done with two hands without the use of additional tools, optionally children. Assembled and disassembled by, and the frictional resistance should be sufficient to provide sufficient stability to the assembled structure. Thus, the appropriate force of the kit for assembly and disassembly, including flange widening, is 20-80N (Newton), preferably about 60N. Even more advantageously, the appropriate force is in the range where the foam element surface is not permanently deformed, but elastically deformed only when the connector flange has a hole in the foam surface.

In the disclosed embodiments, the appropriate force is configured to be less than 80 N, more preferably less than 75, 70, 65 N, and most preferably less than 60 N.

In a further embodiment, the connector opens a hole in the surface of the foam element by elastic deformation of the foam element.

The parts kit advantageously comprises multiple connectors and multiple foam elements, whereby various structures can be constructed, assembled, disassembled, and reconstructed.

Thus, adjacent form elements or construction elements can be connected by connectors as shown in FIGS. For example, the second cylindrical end 2b of the connector can be inserted into the opening of an additional foam element, such as the top foam element 4 shown in FIG. 1, whereby the bottom foam element and the top foam element are in FIG. Connected or installed as shown in.

When connected or attached, the flange 3 is in contact with both the flat surface of the bottom foam element 4a and the flat surface of the top foam element 4a. Thus, the two planar surfaces connected by the connector are arranged adjacent to 6 as shown in FIG. 2, and the distance or gap between them can be determined by the thickness of the flange. When additional force is applied, the connector flange will open the hole equally on the surface of the foam element at the top and bottom, and after the additional force is removed, the hole will remain open according to the frictional force between the connector and the opening. And.

For improved assembly stability, and for safety and hygiene reasons, it is advantageous that the gap between adjacent planar surfaces 6 be as small as possible. Advantageously, adjacent planar surfaces abut with virtually no gaps, thereby providing stability and ensuring that dust and body components cannot be trapped in the gaps.

In the disclosed embodiments, the kit is subjected to sufficient force so that the first end of the connector is received within the first opening of the first foam element and the second end of the connector is the second foam element. The adjacent surfaces of the first and second foam elements are configured to abut when received within the first opening of the.

In a further embodiment, the adjacent planar surfaces of the first and second foam elements are substantially in contact with a gap of less than 1 mm, more preferably less than 0.5 mm, such as 0 mm.

The abutting planar surfaces are obtained by constructing the required assembly force with the deformation properties between the foam and the flange and the frictional force between the connector and the opening.

Advantageously, the foam is configured to have a restoring force and elastically deform or compress when it comes into contact with the flange and an appropriate amount of force is applied to the connector. For example, elastic deformation can be configured such that the foam is compressed and the flange of the connector is partially pressed into the compressed planar plane of the foam element. As a result, the connector flange can open holes in the surface of the foam element. When two of these foam elements are integrally attached using one or more of these connectors, the surface deformation of the foam element and the widening of the holes in the connector flange result in the adjacent planar surfaces of the foam element. They may abut against each other so that there are virtually no gaps between the faces of adjacent foam elements. 3-4 show embodiments of connected foam elements showing a cross-sectional view of the flange and the planar surface 6 in contact with it. The deformation property is configured such that adjacent planar surfaces of the foam element are symmetrically elastically compressed around the flange so that the adjacent planar surfaces abut without gaps.

Removing the connector flange removes the deformation or compressive force and the restoring foam will restore its unloaded shape. Thus, by constructing the deformation property, it is possible to obtain adjacent planar surfaces that are in contact with each other substantially without gaps.

[connector]
For easy and stable insertion, it is advantageous for the connector to be an elongated element as illustrated in FIGS. The shape of the elongated element also affects the magnitude of the frictional force between the inserted connector and the foam element opening. Advantageously, the elongated element has a shape that facilitates increasing the surface contact area with the foam element opening, whereby a greater frictional force can be obtained. Thus, advantageously, the elongated element is a cylindrical or elliptical shape, such as an elongated element whose cross-sectional shape is selected from a group consisting of circular, elliptical, and polygonal polygons such as hexagonal, octagonal, pentagonal, and dodecagonal. Alternatively, it has a cylindrical shape or a polygonal column shape that resembles a cylindrical shape. The frictional force between the inserted connector and the foam element is further determined by the size of the connector. Thus, for easy insertion and stable assembly structures, the connector advantageously has a cross-sectional size or diameter of less than 7 cm.

In the disclosed embodiments, the connector is an elongated element having a first end and a second end, such as circular, elliptical, and hexagonal, octagonal, decagonal, dodecagonal, and the like. It has a cross-sectional shape selected from the group consisting of polygons.

In a further embodiment, the connector is a cylinder with a first cylindrical end, a second cylindrical end, and a radially extending flange located between the two cylindrical ends.

In a further embodiment, the diameter of the connector is less than 7 cm, more preferably less than 6, 5, 4 cm, most preferably 3.2 cm or less.

When the surface of the foam element and the flange make compressive contact, the foam is compressed if the hardness of the flange is higher than the hardness of the foam, and the connector flange is partially pressed into the compressed planar surface of the foam element. It is configured to. However, the degree of deformation and holes that the connector flange opens on the surface of the foam element also depends on the shape and size of the connector.

To ensure that uniform and reliable holes are widened, the flanges are advantageously of a regular shape such as a planar circle, an ellipse, or a polygon such as a hexagon, octagon, decagon, or dodecagon. It is a plane. In addition, the thickness of the flange should be reduced to ensure that there are enough holes to facilitate the contact of adjacent foam building elements with virtually no gaps, but it is still on the flange. It should be thick enough to provide mechanical strength and robustness that fits as a stopper.

In the disclosed embodiments, the radial extending flange is planar.

In a further embodiment, the radial extending flange has a shape selected from the group consisting of circles, ellipses, and polygons such as hexagons, octagons, decagons, and dodecagons.

In a further embodiment, the thickness of the radially extending flange is less than 4 mm, more preferably less than 3 or 2 mm, most preferably 1.5 mm or less.

The frictional force between the inserted connector and the foam element opening depends on the length of the connector end. Because it affects the amount of contact surface area between the connector and the opening. The longer the connection end, the stronger the frictional force. However, the shorter the length of the connection end, the more versatile and possible the multiple connectors and multiple foam element openings, because the risk of the connector blocking adjacent foam element openings is reduced. More connection options.

Thus, to improve assembly versatility and provide sufficient frictional forces, the kit advantageously comprises one or more connectors, their ends being long, their ends short. And / or their first end is long and the second end is short. Examples of connectors: a connector with both ends 10 cm long, a connector with both ends 3.4 cm long, and a first end 10 cm long and a second end 3.4 cm long. There is a connector.

In the disclosed embodiments, the first and second ends of the connector are symmetrical or asymmetric.

In a further embodiment, the first end of the connector has a length of 15 to 2 cm, more preferably 11 to 3 cm, such as 10 cm or 3.4 cm.

In a further embodiment, the second end of the connector has a length of 15 to 2 cm, more preferably 11 to 3 cm, such as 10 cm or 3.4 cm.

The frictional force between the connector and the foam element opening also depends on the material of the connector.

In the disclosed embodiments, the connector material is selected from the group consisting of wood and polymers such as thermoplastic polymers such as acrylonitrile butadiene styrene (ABS).

To improve the easy and easy handling of the connector during assembly / disassembly, it is advantageous for the connector to be lightweight, which can be achieved with a hollow connector. Hollow polymers are easily and cost-effectively manufactured, for example, by injection molding. Hollow connectors also have the advantage of providing space or compartments for storing auxiliary components such as electronic elements. Optionally, the hollow connector is assembled from multiple components, thereby facilitating the storage area inside the connector.

In the disclosed embodiments, the connector is a hollow element. In a further embodiment, the connector is made by an injection molding process.

16-18 show embodiments of the connector that include exemplary dimensions of length, diameter (Φ), and curvature (R). 16-17 are examples of connectors in which the first and second ends of the connector are symmetrical, and FIG. 18 shows that the first and second ends of the connector are asymmetric. An embodiment of the connector is shown.

[Form element]
Form elements can also be referred to as construction elements. The versatility of the parts kit and the number of structures that can be constructed depend on the shape of the foam element and the number of openings that the planar surface of the foam element has. For example, a cylinder can be constructed by assembling two semi-cylinders, and a complex prism can be obtained by assembling a rectangular parallelepiped and a triangular prism. In addition, the frictional force for assembling / disassembling adjacent foam elements increases as the number of connectors used to connect adjacent foam elements increases.

In the disclosed embodiments, the shape of the foam element is selected from the group consisting of cubes, rectangular parallelepipeds, tetrahedrons, prisms, cylinders, semi-cylinders, cones, triangular pyramids, discs, and any combination thereof. In another further embodiment, at least one planar surface of the foam element is 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 , 19, or 20 openings.

To further improve versatility, it is advantageous that each foam element can be connected by one or more of the faces. This can be achieved by a cylindrical opening extending from the first planar surface of the foam element to the opposite surface of the foam, as shown in FIGS.

In embodiments of the disclosure, at least one foam element opening extends from the first planar surface of the foam element to the opposite surface of the foam element, optionally to the second planar surface of the foam element. ..

To improve versatility, foam elements formed as wheels, i.e. discs with concentric openings with respect to the axis of rotation, are advantageous.

In the disclosed embodiments, the shape of the foam element is a disc and at least one foam element opening is concentric with the disc.

The frictional force between the inserted connector and the foam element opening depends on the relative dimensions of the connector, flange, and foam element opening. In order to improve the frictional force, it is advantageous that the contact area between the connector and the opening is large. Thus, advantageously, the shape of the opening is identical to the shape of the connector end for insertion into the opening. Even more advantageously, the foam element opening has a smaller cross-sectional dimension than the connector. For example, the opening may be a cylinder with a cross-sectional diameter of 2.7 cm, and the connector end may be a cylinder with a cross-sectional diameter of 3.2 cm.

In the disclosed embodiments, the shape of at least one opening of the foam element is identical to the shape of the connector end.

In a further embodiment, the foam element opening has a cross-sectional size dimension that is smaller than the cross-sectional size of the connector.

In a further embodiment, the foam element opening has a cross-sectional size dimension that is at least 0.2, 0.3, 0.4, or 0.5 mm smaller than the cross-sectional size of the connector.

11-15 show embodiments of foam elements, including exemplary dimensions of length, diameter (Φ), and curvature (R), as well as the position and dimensions of openings.

The flange of the connector is configured as a stopper for the insertion of the connector. Flange also provides stability between adjacent connected foam elements. The efficiency of the stopper, the risk of the flange being pushed into the opening, as well as the stability of the connection, depends on the relative dimensions of the flange and the foam element opening. It has been found advantageous for the connector flange to have a radial extension that is at least 2 or 3 mm larger than the cross-sectional size of the foam element opening. For example, the foam element opening may be a cylinder with a diameter of 2.7 cm and the flange may be formed as a disc with a diameter of 2.9 cm or 3 cm.

In the disclosed embodiments, the connector flange has a radial extension that is at least 2, 3, 4, or 5 mm, preferably more than 3 mm, larger than the cross-sectional size of the foam element opening.

The deformation properties of foam elements depend on the foam material properties such as hardness, the microstructure of the foam, and the manufacturing process. Table 1 shows the hardness evaluation scale applicable to solid foam. Hardness can be measured based on the JIS S 6050 SRIS-0101 (GS-701N) method.

Solid foam materials of EVA copolymers (ie, ethylene vinyl acetate, also known as poly (ethylene vinyl acetate)) have favorable deformation properties. EVA foam is an environmentally friendly material that has restoring force, is elastically deformable or compressible, and can be configured to have high hardness at the same time.

In the disclosed embodiments, the foam material is selected from the group consisting of EVA copolymers. In a further embodiment, the foam material has a hardness rating greater than about OO20, more preferably greater than about O20, most preferably greater than about 10, 20, 30, 40, 45, or 50 on the Shore C scale. The hardness is based on the JIS S 6050 SRIS-0101 (GS-701N) method.

The frictional force between the connector and the foam element opening also depends on the material of the foam element and the contact surface structure of the foam and connector, which in turn depends on the morphological structure or roughness of the foam surface. The morphological structure of the surface of the foam element depends on the manufacturing process.

Advantageously, the foam element and the foam element opening are manufactured by a mechanical cutting process. Due to the cutting process, the foam element has a surface roughness. This is in contrast to the foam produced by casting or molding. The molded foam element has no or slight surface roughness, and the surface of the molded foam element has no open cell structure or pores and is smooth.

In the disclosed embodiments, the shape of the foam element is obtained by mechanical cutting steps such as stamping, punching, and / or blade cutting.

The surface roughness of the foam element also has the advantage of facilitating the handling, assembly and disassembly of the foam element and increasing the robustness of the foam element.

The deformation properties of foam elements can also depend on other properties of the foam material, such as hardness, density, elongation, tensile strength, tear strength, and compressive strength.

Advantageous deformation properties can be obtained with foam materials having densities in the range of ^{100 kg / m 3} according to the ASTM D3575 method. In the disclosed embodiments, the foam material has a density of 50-200 kg / m ³ , more preferably 75-150 kg / m ³ .

Advantageous deformation properties can be obtained with foam materials having an elongation in the range of 86% according to the ASTM D3575 method. In the disclosed embodiments, the foam material has an elongation of 60-95%, more preferably 70-90%.

Advantageous deformation properties can be obtained with foam materials having tensile strengths in the range of 1474 kPa based on the ASTM D3575 method. In the disclosed embodiments, the foam material has a tensile strength of 1200 to 1600 kPa, more preferably 1300 to 1500 kPa.

Advantageous deformation properties can be obtained with foam materials having tear strengths in the range of 7.06 N / mm according to the ASTM D3575 method. In the disclosed embodiments, the foam material has a tear strength of 5-10 N / mm, more preferably 6-9 N / mm.

Advantageous deformation properties can be obtained with foam materials having 25% compressive strength in the range of 182 kPa based on the ASTM D3575 method. In the disclosed embodiments, the foam material has 25% compressive strength at 150-210 kPa, more preferably 160-200 kPa.

[Rotable wheels]
To improve the versatility of the parts kit, the parts kit advantageously comprises foam elements that can be configured into rotatable wheels. A rotatable wheel means a wheel that is rotatable around a rotating shaft, more specifically a rotating shaft, which is located in a central and concentric circle. For example, the connectors according to the present disclosure may be adapted as rotating shafts.

The ability or resistance of a wheel to rotate depends on the frictional rotational resistance between the wheel and the rotating shaft. In essence, the frictional rotational resistance depends on the fastening mechanism between the wheel and the rotating shaft. When the frictional rotational resistance is high, the wheel has a high rotational resistance corresponding to the high rolling resistance. If the frictional rolling resistance is low, the wheel has low rolling resistance.

For example, the frictional rotation resistance between the concentric openings of a disc-shaped foam element and the connector mounted as a rotating shaft can be high. The high frictional rotation resistance may be due to the large surface contact area between the connector and the opening and the surface structure or morphology of the foam element opening which may have a roughness or granular surface structure. Thus, the connectors according to the present disclosure, which are applied as rotating shafts of wheels, can result in wheels that are less rotatable and substantially non-rotatable. High rotational resistance can be advantageous for functional toys for small children where high speed rolling can be dangerous. In the disclosed embodiment, the cylindrical connector 2 is applied as a rotating shaft.

Rotable wheels with variable rolling resistance are advantageous to improve the versatility of the kit and to provide functional toys for children of variable age with variable motor skills. Thus, the wheel-rotating shaft fastening mechanism is advantageously configured to have adjustable frictional resistance. This can be achieved by a fastening mechanism such as a snap fit between the rotating shaft and the bushings located in the concentric openings of the wheel.

FIG. 5 shows an embodiment of a rotatable foam wheel 4 and a rotating shaft 2 in which the frictional resistance of the fastening mechanism is adjustable. FIG. 5A shows a wheel assembled or connected to a rotating shaft or shaft such that the wheel is rotationally attached to a cylindrical shaft, and FIG. 5B shows a wheel and rotating shaft before assembly. The foam element or wheel is formed as a disc having two planar surfaces 4a with concentric openings 5 for rotational attachment to a rotating shaft or connector 2. The cylindrical bushing 5a is located in the concentric opening 5 and thus functions as a lining or coating surface in contact with the rotating shaft.

FIG. 6 shows an embodiment of a bushing arranged in a concentric opening of a wheel. FIG. 6A shows a close-up perspective view of the surface of the bushing that makes rotational contact with the rotating shaft, and FIG. 6B shows a close-up schematic perspective view.

In the embodiment of FIG. 6, the rotating shaft is attached to the bushing by a snap-fit fastening mechanism. Snap-fit fastening is obtained between the bushing protrusion 8 (as shown in FIG. 6) and the grooves 9 and 10 (as shown in FIG. 5) on the outer circumference of the rotating shaft or connector. Thus, the contact area between the rotating shaft and the bushing is essentially the contact area between the protrusion and the groove. Thus, the frictional rotation resistance of the wheel depends on the contact area between the protrusion and the groove.

FIG. 6 shows an embodiment of a foam wheel 4 in which the inner surface 7 of the cylinder of the opening 5 includes a cylindrical bushing 5a having a protrusion 8. In this embodiment, the protrusions are arranged along at least a portion of the outer circumference of the cylindrical bushing and are concentric with the outer circumference of the cylinder of the opening 5.

The shape and length of the protrusions along the perimeter affect the frictional resistance and force required for the fastened rotating shaft and bushing, i.e. the force required to obtain a snap fit.

If the protrusions extend along the entire perimeter of the cylindrical surface, the protrusions are ring-shaped and require greater force to obtain a snap fit. If the protrusions are arranged and extended along only part of the outer circumference of the surface, less force is required to obtain a snap fit. Advantageously, the protrusions allow the required snap-fitting force to be possible with two hands without the use of additional tools, and optionally can be assembled and disassembled by children. It is configured. A suitable snap-fit force for assembling and disassembling wheels and rotating shafts is 20-80N (Newton), preferably about 60N. This is advantageously obtained by elongated convex protrusions that are partially located along the perimeter of the bushing.

In the disclosed embodiments, the bushing protrusions have an elongated convex shape and are located partially along the perimeter of the bushing. In a further embodiment, the protrusions extend along less than 25%, more preferably less than 20, 15 and 10% of the outer circumference of the bushing.

To further reduce the force required to form a snap fit between the bushing and the rotating shaft, it is advantageous that the bushing is elastically deformable and can be deformed as a spring. It is advantageous that the protrusions and bushings are elastically deformable, especially in the bushing region adjacent to the protrusions, when a force is applied to form a snap fit. This can be achieved by one or more bushing openings 5b adjacent to the protrusions, as shown in FIG. The bushing opening promotes elastic deformation of the bushing so that less force is required to form a snap fit. Advantageously, the bushing openings are symmetrically arranged around the protrusions and have the shape of a slit, as shown in FIG.

In the disclosed embodiments, the bushing further comprises one or more bushing openings adjacent to the protrusions. In a further embodiment, the bushing comprises two openings that are symmetrically arranged around the protrusion. In a further embodiment, the two openings are slits that extend perpendicular to the extension of the protrusion.

It is advantageous that the bushing and rotating shaft are made of the same material to further control and reduce the force required to form the snap fit. In the disclosed embodiments, the bushing and rotating shaft are made of the same material.

To improve the versatility of the kit and the versatility of the connector, it is advantageous that different rolling resistances can be obtained with a single rotating shaft. As shown in FIGS. 7-8, a fastening mechanism with adjustable frictional resistance of a single rotating shaft can be obtained. The wheel-rotating shaft fastening mechanism has adjustable frictional resistance if bushings located at the wheel concentric openings facilitate multiple fastening configurations.

FIG. 7 shows a cross-sectional view of the snap fit mounting. FIG. 7 shows an embodiment of a foam wheel 4 in which a cylindrical bushing 5a is optionally rotationally attached to an end 2b of a cylindrical connector 2 on a rotating shaft. The end of the shaft or connector is shown to the left of the connector flange 3. The bushing comprises a convex protrusion 8 and a second end of the connector comprises a first circular groove 9 configured to form a snap fit with the protrusion. Snap fits are circled in FIG. 7A.

The connector further comprises at least one additional circular groove on the outer circumference of the connector, such as a second circular groove 10, as shown in FIGS. 7-8. As shown in FIGS. 7 to 8, the second circular groove is parallel to the first circular groove and has a groove depth different from that of the first groove depth. Thus, the second groove is configured to form a second snap fit with the ring-shaped protrusion. Due to the different groove depths, the contact areas of the snap-fit grooves and protrusions are different, thus resulting in different frictional or rolling resistances.

In FIG. 7, the snap fit is formed between the first groove 9 having a groove depth smaller than that of the second groove 10, and in FIG. 8, the snap fit is a second groove (as indicated by a circle). It is formed between and. Thus, the contact area is larger between the protrusion and the second groove (FIG. 8) than the contact area between the protrusion and the first groove (FIG. 7). The frictional force or rolling resistance within the snap fit of FIG. 8 is therefore greater than the frictional force within the snap fit of FIG.

By moving the wheel along the longitudinal direction of the rotating shaft, it is possible to change from a snap fit formed with a first groove to a snap fit formed with a second groove and vice versa. Thus, a fastening mechanism with adjustable frictional resistance of a single rotating shaft can be obtained.

In the disclosed embodiment, the fastening mechanism is a snap fit between the bushing protrusion and at least one groove on the outer periphery of the connector, and the groove depth is adjustable. In a further embodiment, the outer circumference of the connector comprises at least two parallel grooves, the depth of the first groove being different from the depth of the second groove. In a further embodiment, the frictional resistance of the snap fit is adjusted by moving the wheel along the longitudinal direction of the rotating shaft.

It is advantageous for the groove depth to be in a certain range in order to obtain appropriate rolling resistance for children's sex toys. For example, a first groove depth of 0.8 mm can provide adequate rolling resistance for children's ride-on, and a second groove depth of 1.5 mm is suitable for children's walkers or baby walkers. Can provide rolling resistance.

In the disclosed embodiments, the depth of the first groove is 0.5-3 mm, more preferably 1-2 mm, most preferably 1.5 mm, and the depth of the second groove is 0.2-. It is 1.5 mm, more preferably 0.4 to 1 mm, and most preferably 0.8 mm.

To further enable adjustable frictional resistance of the fastening mechanism, one or more of the grooves may include a plurality of second protrusions arranged within the groove channel or groove surface, as shown in FIG. Depending on the number, shape, and pattern, the plurality of second protrusions further increases frictional rotation resistance. Advantageously, the second projection has a parallel ridge pattern shape oriented perpendicular to the groove direction, as shown in FIG. 19, and more advantageously, the height of the second projection is It is approximately 0.5 mm. Such a second protrusion may generate a sound as the rotating shaft rotates within the bushing, thereby providing additional entertainment to the functional toy.

In the disclosed embodiments, the surface of at least one groove comprises a plurality of second protrusions. In a further embodiment, the plurality of second protrusions form a pattern of parallel ridges oriented perpendicular to the groove direction. In a further embodiment, the height of the second protrusion is 0.1 to 2 mm, more preferably 0.2 to 1 mm, most preferably 0.5 mm.

Thus, wheels with adjustable rolling resistance can be assembled from the kits of the present disclosure. This is especially advantageous for functional toys for children of various ages and motor skills. For example, a baby walker or a child walker can be adjusted to the walking speed of the child. In particular, infants practicing walking use the parts kit disclosed here with a baby walker with one or more wheels and a high friction assembly to prevent the child trying to support it from tipping over. It can be used as an attached baby walker. When the child is older than the parts kit disclosed here, playing with the parts kit will be more enjoyable if all the wheels rotate with low friction.

Reference No. 1-Parts Kit 2-Cylindrical Connector 2a-First Cylindrical Connector End 2b-Second Cylindrical Connector End 3-Flat Flange 4-Foam Element 4a-Flat Surface of Foam Element 5-Cylindrical Opening Part 5a-Bushing 5b-Bushing opening 6-Adjacent planar surface 7-Inner surface of wheel opening 8-Protrusion 9-First groove 10-Second groove

What is disclosed herein may be explained in further detail with reference to the following provisions.

1. 1. A parts kit for functional toys
-With one or more connectors (s) having radial extending flanges located between the first end, the second end, and the two ends;
-One or more foam elements (s) with at least one substantially planar surface, which surface is a planar surface for receiving at least the first end of the connector. With a foam element, with at least one opening extending vertically relative to,
The connector flange is configured as a stopper for insertion of the first end into the foam element opening.
In the parts kit, when the first end is inserted into the foam element opening to the stopper position and an additional appropriate amount of force is applied to the connector in the insertion direction, the connector flange opens a hole in the surface of the foam element. A parts kit that is configured to keep the hole widened by the frictional force between the connector and the opening after the additional force has been removed.

2. The kit according to Clause 1, wherein the appropriate force comprises less than 80 N, more preferably less than 75, 70, 65 N, most preferably less than 60 N.

3. 3. The kit described in any of the preceding clauses, where the connector opens a hole in the surface of the foam element due to elastic deformation of the foam element.

4. A connector is an elongated element with a first end and a second end, the element consisting of a group consisting of circles, ellipses, and polygons such as hexagons, octagons, decagons, and dodecagons. A kit according to any of the preceding clauses, having a cross-sectional shape of choice.

5. The kit according to any of the preceding clauses, wherein the connector is a cylinder having a first cylindrical end, a second cylindrical end, and a radially extending flange located between the two cylindrical ends.

6. The kit according to Clause 5, wherein the diameter of the connector is less than 7 cm, more preferably less than 6, 5, 4 cm, most preferably 3.2 cm or less.

7. The kit according to any of the preceding clauses, in which the radially extending flange is planar.

8. The kit according to Clause 7, wherein the radial extension flange has a thickness of less than 4 mm, more preferably less than 3 or 2 mm, most preferably less than 1.5 mm.

9. The kit according to any of the preceding clauses, wherein the radially extending flange has a shape selected from the group consisting of circles, ellipses, and polygons such as hexagons, octagons, decagons, and dodecagons.

10. The kit according to any of the preceding clauses, where the first and second ends of the connector are symmetrical or asymmetric.

11. The kit according to any of clauses 4-10, wherein the first end of the connector has a length of 15 to 2 cm, more preferably 11 to 3 cm, such as a length of 10 cm or 3.4 cm.

12. The kit according to any of clauses 4-11, wherein the second end of the connector has a length of 15 to 2 cm, more preferably 11 to 3 cm, such as a length of 10 cm or 3.4 cm.

13. The kit according to any of the preceding clauses, wherein the shape of at least one opening of the foam element is identical to the shape of the connector end.

14. The kit according to any of the preceding clauses, wherein the foam element opening has a cross-sectional size dimension that is smaller than the cross-sectional size of the connector.

15. 12. The kit of clause 14, wherein the foam element opening has a cross-sectional size dimension that is at least 0.2, 0.3, 0.4, or 0.5 mm smaller than the cross-sectional size of the connector.

16. The kit according to any of the preceding clauses, wherein the connector flange has a radial extension that is at least 2, 3, 4, or 5 mm, more preferably more than 3 mm, larger than the cross-sectional size of the foam element opening.

17. When the first end of the connector is received in the first opening of the first foam element and the second end of the connector is received in the first opening of the second foam element, the first The kit according to any of the preceding clauses, wherein the foam element and the adjacent faces of the second foam element are configured to be in contact with each other.

18. 17 that the first foam element and the adjacent planar surfaces of the second foam element are substantially in contact with each other with a gap of less than 1 mm, more preferably less than 0.5 mm, such as 0 mm. kit.

19. The kit according to any of the preceding clauses, wherein the shape of the foam element is selected from the group consisting of cubes, rectangular parallelepipeds, regular tetrahedrons, prisms, cylinders, semi-cylinders, cones, triangular pyramids, discs, and any combination thereof. ..

20. At least one substantially planar surface of the foam element is 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or, The kit according to any of the preceding clauses, comprising two or more openings, such as 20 openings.

21. At least one foam element opening extends from the first substantially planar surface of the foam element to the opposite surface of the foam element, optionally to the second substantially planar surface of the foam element. , The kit described in any of the preceding clauses.

22. The kit according to any of the preceding clauses, wherein the shape of the foam element is a disc and at least one foam element opening is concentric with the disc.

23. A parts kit for functional toys
-Wheels with solid foam with concentric openings with respect to the axis of rotation;
-With bushings placed in concentric openings;
-Equipped with a connector that fits as a rotary shuff that can be attached to the bushing using a fastening mechanism such as snap fit.
A parts kit that is configured so that the frictional resistance of the fastening mechanism is adjustable.

24. 23. The kit of Clause 23, wherein the fastening mechanism is a snap fit between the bushing protrusion and at least one groove on the outer periphery of the connector, and the groove depth is adjustable.

25. 25. The kit of Clause 24, wherein the outer circumference of the connector comprises at least two parallel grooves, the depth of the first groove being different from the depth of the second groove.

26. The depth of the first groove is 0.5 to 3 mm, more preferably 1 to 2 mm, most preferably 1.5 mm, and the depth of the second groove is 0.2 to 1.5 mm, more preferably. 25, wherein is 0.4 to 1 mm, most preferably 0.8 mm.

27. The kit according to any of clauses 25-26, wherein the frictional resistance of the snap fit is adjusted by moving the wheel along the longitudinal direction of the rotating shaft.

28. The kit according to any of clauses 24-27, wherein the surface of at least one groove comprises a plurality of second protrusions.

29. 28. The kit of clause 28, wherein the plurality of second protrusions form a pattern of parallel ridges oriented perpendicular to the groove direction.

30. The kit according to Clause 29, wherein the height of the second protrusion is 0.1 to 2 mm, more preferably 0.2 to 1 mm, most preferably 0.5 mm.

31. The kit according to any of clauses 24-30, wherein the bushing protrusions have an elongated convex shape and are located partially along the outer circumference of the bushing.

32. The kit according to any of clauses 24-31, wherein the bushing further comprises one or more bushing openings adjacent to the protrusions.

33. 32. The kit of clause 32, wherein the bushing comprises two openings symmetrically arranged around the protrusion.

34.2 The kit of clause 33, wherein the two openings are slits that extend perpendicular to the extension of the protrusion.

35. The kit according to any of clauses 23-34, wherein the bushing and rotating shaft are made of the same material.

36. The kit according to any of the preceding clauses, wherein the foam material is selected from the group of EVA copolymers.

37. One of the preceding clauses, wherein the foam material has a hardness rating greater than about OO20, more preferably greater than about O20, most preferably greater than about 10, 20, 30, 40, 45, or 50 on the Shore C scale. Described kit.

38. The kit according to any of the preceding clauses, wherein the shape of the foam element is obtained by a mechanical cutting process such as stamping, punching, and / or blade cutting.

39. The kit according to any of the preceding clauses, wherein the connector material is selected from the group consisting of wood and polymers such as thermoplastic polymers such as acrylonitrile butadiene styrene (ABS).

40. The kit described in any of the preceding clauses, where the connector is a hollow element.

41. The kit according to clause 35, wherein the connector is made by an injection molding process.

42. A functional toy with the parts kit described in any of the preceding clauses.

43. The functional toys described in Clause 42 for children's walkers, push wagons, children's push-and-ride-on, wheel toys, rocking horses, and for crawling, standing, rolling, jumping, climbing, and balance training. A functional toy selected from a group of auxiliary tools.

References [1] US2007 / 0173095

Claims (23)

A parts kit for functional toys
-With one or more connectors (s) having radial extending flanges located between the first end, the second end, and the two ends;
-One or more foam elements (s) with at least one substantially planar surface, the surface being said planar to receive at least the first end of the connector. With a foam element, with at least one opening extending perpendicular to the plane of the
The connector flange is configured as a stopper for insertion of the first end into the foam element opening.
In the component kit, when the first end is inserted into the foam element opening to the stopper position and a further appropriate amount of force is applied to the connector in the insertion direction, the flange of the connector becomes said. A parts kit that widens a hole in the surface of a foam element and, after the additional force is removed, keeps the hole widened by the frictional force between the connector and the opening. The suitable force is configured to be less than 80N, more preferably less than 75, 70, 65N, most preferably less than 60N, and / or the connector is exposed to the surface of the foam element due to elastic deformation of the foam element. The kit according to claim 1, wherein the hole is widened. The connector is an elongated element having a first end and a second end, the element being a group consisting of circles, ellipses, and polygons such as hexagons, octagons, decagons, and dodecagons. Has a cross-sectional shape selected from, preferably the connector has a radially extending flange disposed between the first cylindrical end, the second cylindrical end, and the two cylindrical ends. The kit according to any of the preceding claims, which is cylindrical to have. The prior claim that the radially extending flange is planar, preferably the thickness of the radially extending flange is less than 4 mm, more preferably less than 3 or 2 mm, most preferably 1.5 mm or less. The kit described in any of. The radial extending flange has a shape selected from the group consisting of circles, ellipses, and polygons such as hexagons, octagons, decagons, and dodecagons, and / or the first of the connectors. The kit according to any of the preceding claims, wherein the end of 1 and the second end are symmetrical or asymmetric. The shape of the at least one opening of the foam element is identical to the shape of the connector end and / or the foam element opening has a cross-sectional size dimension that is smaller than the cross-sectional size of the connector. , Preferably, according to any of the prior art claims, wherein the foam element opening has a cross-sectional size dimension that is at least 0.2, 0.3, 0.4, or 0.5 mm smaller than the cross-sectional size of the connector. Kit. 13. kit. When the first end of the connector is received in the first opening of the first foam element and the second end of the connector is received in the first opening of the second foam element. The first foam element and the adjacent surfaces of the second foam element are configured to be in contact with each other, preferably the adjacent planar shape of the first foam element and the second foam element. The kit according to any of the preceding claims, wherein the surfaces are substantially in contact with each other with a gap of less than 0.5 mm, such as less than 1 mm, more preferably 0 mm. The shape of the foam element is selected from the group consisting of a cube, a rectangular parallelepiped, a regular tetrahedron, a prism, a cylinder, a semi-cylinder, a cone, a triangular pyramid, a disk, and any combination thereof, and / or said of the foam element. At least one substantially planar surface has 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20 openings. The kit according to any of the prior claims, comprising two or more openings, such as a section. The at least one foam element opening is from a first substantially planar surface of the foam element to an opposite surface of the foam element, optionally a second substantially planar surface of the foam element. The kit according to any of the prior claims, which extends to. The kit according to any of the preceding claims, wherein the form of the foam element is a disc and the at least one foam element opening is concentric with the disc. A parts kit for functional toys
-Wheels with solid foam with concentric openings with respect to the axis of rotation;
-With a bushing placed in the concentric opening;
-Equipped with a connector that fits as a rotary shuff that can be attached to the bushing using a fastening mechanism such as snap fit.
A parts kit configured such that the frictional resistance of the fastening mechanism is adjustable. 12. The kit of claim 12, wherein the fastening mechanism is a snap fit between the bushing protrusion and at least one groove on the outer circumference of the connector, and the groove depth is adjustable. The outer circumference of the connector includes at least two parallel grooves, and the depth of the first groove is different from the depth of the second groove, preferably the depth of the first groove is 0. It is 5 to 3 mm, more preferably 1 to 2 mm, most preferably 1.5 mm, and the depth of the second groove is 0.2 to 1.5 mm, more preferably 0.4 to 1 mm, most preferably. The kit according to claim 13, which is 0.8 mm. 14. The kit of claim 14, wherein the frictional resistance of the snap fit is adjusted by moving the wheel along the longitudinal direction of the rotating shaft. The surface of the at least one groove comprises a plurality of second protrusions, preferably the plurality of second protrusions forming a pattern of parallel ridges oriented perpendicular to the groove direction. , The kit according to any one of claims 13 to 15. The kit according to any one of claims 13 to 16, wherein the protrusion of the bushing has an elongated convex shape and is partially arranged along the outer periphery of the bushing. The bushing further comprises one or more bushing openings adjacent to the protrusion, preferably the bushing comprises two openings symmetrically arranged around the protrusion, optionally. The kit according to any one of claims 13 to 17, wherein the two openings are slits extending perpendicular to the elongation of the protrusion. The kit according to any one of claims 12 to 18, wherein the bushing and the rotating shaft are made of the same material. The foam material is selected from the group of EVA copolymers and / or the foam material is greater than about OO20, more preferably greater than about O20, most preferably about 10, 20, 30, 40 on the Shore C scale. , 45, or the kit of any of the preceding claims, having a hardness rating greater than 50. The kit according to any of the preceding claims, wherein the shape of the foam element is obtained by a mechanical cutting step such as stamping, punching, and / or blade cutting. The connector material is selected from the group consisting of wood and polymers such as thermoplastic polymers such as acrylonitrile butadiene styrene (ABS) and / or the connector is a hollow element and / or the connector is injection molded. The kit according to any of the prior claims, made by the process. A functional toy comprising the parts kit described in any of the prior claims, optionally a walker for children, a push wagon, a push and ride-on for children, a wheel toy, a locking hose, and a crawling, standing, crawling, standing, and so on. A functional toy selected from a group of assistive devices for rolling, jumping, climbing, and balance training.

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