US20170274293A1 - Child play structure - Google Patents

Child play structure Download PDF

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Publication number
US20170274293A1
US20170274293A1 US15/529,018 US201515529018A US2017274293A1 US 20170274293 A1 US20170274293 A1 US 20170274293A1 US 201515529018 A US201515529018 A US 201515529018A US 2017274293 A1 US2017274293 A1 US 2017274293A1
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US
United States
Prior art keywords
plate
main plate
side plate
main
max
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Abandoned
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US15/529,018
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English (en)
Inventor
Anne Theodora Aae
Børge Danielsen
Peter Christian Løvfold Grønfeldt
Anna Jarälv
Nikolaj Maj Bentsen
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Kompan AS
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Kompan AS
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Publication date
Application filed by Kompan AS filed Critical Kompan AS
Priority claimed from PCT/EP2015/079614 external-priority patent/WO2016092116A1/en
Assigned to KOMPAN A/S reassignment KOMPAN A/S ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JARÄLV, Anna, AAE, Anne Theodora, BENTSEN, Nikolaj Maj, GRØNFELDT, Peter Christian Løvfold, DANIELSEN, Børge
Publication of US20170274293A1 publication Critical patent/US20170274293A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/008—Playhouses, play-tents, big enough for playing inside
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/04—Building blocks, strips, or similar building parts
    • A63H33/044—Buildings

Definitions

  • the current invention relates to a child play structure.
  • child play structure should be understood as a structure which is specifically designed to promote children's playing activity.
  • the term “structure” should be understood as a physical assembly of components which has an overall size and shape so that a typical child can get the feeling of playing “in” the assembly.
  • a child play structure will have a length greater than 58 cm, a width greater than 58 cm and a height greater than 58 cm.
  • the child play structure will have a length greater than 80 cm, a width greater than 80 cm and a height greater than 80 cm.
  • diverse structures are known in the prior art which are much smaller, see for example US 2006/0199467. These structures share some of the features of the current invention, but are designed for a completely different purpose. The currently mentioned size ranges are important to give the child a feeling of playing “in” the structure.
  • the prior art documents are toys and are not structures which are designed for playing “inside”.
  • the play structure is suitable for outdoor use and is made from materials which can be left outside without deteriorating.
  • the structure for outdoor use demands are also placed on the strength and stability of the structure.
  • the structure could also be used purely inside or in combination between inside and outside use.
  • Prior art child play structures are typically large complex structures with many different areas to play in. Some examples are given in U.S. Pat. No. 7,975,437, U.S. D515166, U.S. D361614, U.S. Pat. No. 5,226,864 and US 2013/0072314. Such large structures are costly to acquire, complex to set up and many times too large to appeal to smaller children.
  • a child play structure comprising: a main plate having a max length greater than 58 cm or greater than 80 cm and a max height greater than 58 cm or greater than 80 cm and being arranged at an angle of less than 20 degrees to the vertical, a first side plate having a max length greater than 50 cm and a max height greater than 40 cm and being arranged at an angle of less than 20 degrees to the vertical, wherein said first side plate is fastened to the main plate in such a way that: the first side plate forms a fixed angle to the main plate of between 60 and 90 degrees, between 70 and 90 degrees or between 80 and 90 degrees, and at least 30% of the max length of the first side plate extends past each side of the main plate.
  • the max length of the first side plate is greater than 60 cm, greater than 70 cm or greater than 80 cm.
  • the term “plate” should be understood as an element which is essentially planar and has a length and a height which are both much greater than its thickness.
  • the length dimension is referred to as the X direction and is arranged horizontally and the height dimension is referred to as the Y direction and is typically arranged essentially vertically unless otherwise noted.
  • the thickness of the plate is at least 1 cm, in another embodiment at least 1,25 cm and in another embodiment at least 1,5 cm.
  • the term “plate” should be understood as an element which has a surface area which is greater than 20%, greater than 30% greater than 40%, or greater than 50% of its plate area.
  • a plate according to the current invention is cut out of rectangular sheet material, for example a plywood sheet.
  • the term “plate area” should be understood as the area defined by the max length times the max height of the plate.
  • max length should be understood in the current specification as referring to the maximum horizontal dimension from one side edge of the plate to the other side edge of the plate in the plane of the plate.
  • max height should be understood as the maximum vertical dimension of the plate from one lower side edge to one upper side edge measured in the plane of the plate. For example, if the side edges of the plate are not straight and parallel, then the max length of the plate is the horizontal component (X-component) of the vector connecting the point located most to the left on the left side edge of the plate and the point located most to the right on the right side edge of the plate.
  • the max height is the vertical component (Y-component) of the vector connecting the lowermost point on the lower side edge and the upper most point on the upper side edge of the plate. If the plate is not arranged vertically, then the max height is the component in the Y direction of the plane of the plate. In this case, the Y component will not be vertical, but will be arranged in the plane of the plate.
  • the play structure will be arranged on a planar support surface and will assume a position similar to the one shown in the figures.
  • the plates will all be arranged within 20 degrees to a normal vector to the planar support surface.
  • the horizontal or X direction will therefore be parallel to the support surface while the vertical direction will be parallel to the normal vector to the support surface.
  • the main plate is fastened to the side plate such that the side plate forms a fixed angle to the main plate.
  • fixed angle is meant that the angle of the joint between the two plates is fixed and cannot be adjusted accidentally by children or by adults. It is a clear that in order to provide a stable structure for children to play on, the joint needs to be very stable. If the angle is accidentally adjustable then the structure could be set up incorrectly and could then collapse by accident. In one embodiment, tools are needed to disassemble or detach the main plate from the first side plate.
  • the first side plate has a max length which is greater than 50% of the max height of the main plate. In another embodiment, the first side plate has a max length which is greater than 75% of the max height of the main plate.
  • Increasing the length of the side plate increases the stability of the structure. With increasing height of the structure, good stability is ensured by also increasing the length of the first side plate. In most cases, increasing the length of the distance between the points of contact between the side plate and the ground will increase the stability.
  • the max distance between the points of the contact between the side plate and the ground is more than 50% of the max height of the main plate. In another embodiment said max distance is greater than 75% of the max height of the main plate.
  • the first side plate is fastened to the main plate in such a way that the shortest normal distance or vector from the first side plate to a side edge of the main plate is less than 20% of the max length of the main plate. In this way, the first side plate is joined to the main side plate near the side edge of the main plate. This ensures that a large surface area is available on the main plate.
  • normal distance or vector is meant a vector which is normal to the first side plate and points from the surface of the first side plate to the side edge of the main plate.
  • the child play structure further comprises a second side plate having a max length greater than 40 cm and a max height greater than 40 cm and being arranged at an angle of less than 20 degrees to the vertical, wherein said second side plate is fastened to the main plate in such a way that the second side plate forms a fixed angle to the main plate of between 60 and 90 degrees, between 70 and 90 degrees or between 80 and 90 degrees, and that the shortest normal distance from the second side plate to a side edge of the main plate opposite to the side edge of the main plate which is closest to the first side plate is less than 20% of the max length of the main plate.
  • a structure which has at least three plates. This second side plate can be smaller than the first side plate if desired since the main stability is provided by the main plate and the first side plate.
  • a structure comprising at least three plates, at least 20% of the max length of the second side plate extends past each side of the main plate. In this way, an H structure is provided with at least four inside corners. This provides a child play structure with a lot of play value with a reduced number of required plates.
  • the first side plate is attached to a first side edge of the main plate and/or a/the second side plate is attached to a second side edge of the main plate.
  • a rather simple structure is provided where a main plate is provided with two side plates each attached to one side edge of the main plate.
  • the max length ⁇ max height of the main plate represents a plate area of A 1 and the max length ⁇ max height of the first side plate represents a plate area of A 2 and in that A 1 is greater than 80 % of twice A 2 and less than 120% of twice A 2 .
  • the dimensions have been chosen to maximize the material usage of the plates.
  • plates are available in a standard size and by choosing the dimensions of the plates properly, one can save a lot of material.
  • material can also be saved in a structure comprising at least three plates, with an embodiment where the max length ⁇ max height of the main plate represents a plate area of A 1 and the max length ⁇ max height of the second side plate represents a plate area of A 3 and in that A 1 is greater than 80% of four times A 3 and less than 120% of four times A 3 .
  • the play structure comprised at least two plates or at least three plates.
  • the main plate structure of the child play structure consists of a main plate and a first side plate.
  • the main plate structure of the child play structure consists of a main plate, a first side plate and a second side plate.
  • the main plate structure of the child play structure is meant the structure which provides the main surface area of the structure. Typically, a number of extra elements which could comprise additional plate elements of smaller dimensions could be connected to the main plate structure.
  • the person skilled in the art should be able to understand that there is a main plate structure which forms the frame/foundation of the play structure and then additional elements which are attached to the frame/foundation.
  • the plates of the main plate structure of the play structure are arranged such that the structure does not comprise any enclosed space large enough for a child to get inside. In this way, the structure is easier to supervise since the children cannot get into any locations which are completely hidden from supervision.
  • the child play structure further comprises a corner strengthening element arranged at a corner between the main plate and the first side plate.
  • a corner strengthening element is a shelf.
  • shelf is meant a typically horizontally arranged plate with an area which is large enough to place objects on.
  • the invention also relates to a kit comprising a main plate and a first side plate, said kit being arranged to be assembled into a child play structure as described in one of the embodiments above. Since the main structure is comprised of two plates, the kit can be packaged in a flat box which is suitable for easy storage and shipping.
  • the invention also relates to a method of manufacturing a child play structure as described in one or more of the embodiments described above.
  • the method comprising the steps of:
  • the method further comprises the steps of: providing a third plate having an area A and cutting four second side plates out of the area A and then packaging one of the four second side plates with the first main plate and then packaging another one of the four second side plates with the second main plate.
  • FIG. 1 shows a front top side perspective view of a first embodiment of a child play structure according to the invention.
  • FIG. 2 shows a rear top side perspective view of the child play structure of FIG. 1 showing more details.
  • FIG. 3 shows a perspective view of a second embodiment of a child play structure according to the invention.
  • FIGS. 4 and 5 show different perspective detail views of the fastening means used to attach the plates together.
  • FIG. 6 shows a front top side perspective view of a third embodiment of a child play structure according to the invention.
  • Each plate is cut or otherwise formed into a particular shape.
  • the shape can be chosen to represent different themes or situations.
  • the plates are cut into a shape which represents the outline of a building.
  • the plates are cut into an interesting geometric shape.
  • the three plates which make up the structure of the current embodiment can be chosen to represent a certain theme.
  • the theme could be a workshop.
  • the theme could be a house.
  • the person skilled in the art of Early Childhood Education will be able to provide many examples of suitable outlines and themes. It could be said that the outline of the main plate, the first side plate and/or the second side plate can be provided with an outline which is play inspiring.
  • Each plate has a maximum (max) length (L 1 , L 2 ) and a maximum (max) height (H 1 , H 2 ).
  • the max length is the largest dimension along the horizontal axis of the plate when the structure is erected.
  • the max height in the current embodiment is the largest dimension along the vertical axis of the plate when the structure is erected.
  • the product of the max length and the max height give a figure which can be termed the “maximum rectangular plate area”.
  • the main plate 2 has a max length of 1196 mm and a max height of 1196 mm.
  • the first side plate has a max length of 1196 mm and a max height of 586 mm.
  • the second side plate has a max length of 586 mm and a max height of 586 cm.
  • the current embodiment's dimensions are chosen to optimize a standardly available plate size.
  • raw rectangular plates with an outer dimension of 1200 mm ⁇ 1200 mm are supplied.
  • the width of the cutting tool in this case is 2 mm, so the main plates maximum dimensions are chosen to be 1196 mm ⁇ 1196 mm.
  • the dimensions of the first side plate have been chosen so that two first side plates can be cut out of a single standard raw plate size.
  • the dimensions of the second side plate are chosen such that four side plates can be cut out of a single standard plate. In this way, in order to build four child play structures according to the invention, only 7 standard sized raw plates are needed.
  • the second side plate could be similar in size to the first side plate. In this way, only two second side plates could be cut from a standard plate. This would require 9 plates instead of 7.
  • the main plate by reducing the dimensions of the main plate to less than 58 cm in height and/or less than 58 cm in width, the number of structures which can be built from a small number of plates can be even further optimized.
  • the first side plate 3 is fastened to the side edge of the main plate 2 .
  • the plates are usually joined edge to edge. In this way an L shape is formed.
  • the side edge of the main plate is joined to the first side plate close to the middle of the first side plate.
  • the first side plate and the main side plate form a T shaped structure instead of the typical L shaped structure known from the prior art.
  • the T shaped structure has the benefit that two inside corners are formed with only two plates. Since children like to play in inside corners, maximizing the number of inside corners in an activity structure while reducing material usage is advantageous.
  • the first side plate is joined to the main plate in such a way that the first side plate extends outwardly from both sides of the main plate.
  • the main plate is attached to the first side plate around the middle of the first side plate and therefore the maximum horizontal normal dimension from the main plate to one side edge of the first side plate is approximately equal to the maximum horizontal normal dimension from the main plate to the other side edge of the first side plate. In this case, one could say that the first side plate extends past the main plate by about 50% of the max length of the first side plate.
  • the first side plate is centred on the main plate.
  • Other dimensions could also be imagined. Two non-limiting examples are a 70%/30% spread and a 60%/40% spread.
  • a certain extension is necessary. In the claims it is therefore defined that the first side plate has to extend from the main plate at least 30% of the max length of the first side plate.
  • the second side plate 4 is also attached to a side edge of the main plate such that the second side plate extends from both sides of the main plate.
  • the second side plate is also attached in the middle of the second side plate as with the first side plate. But this is not necessary for the second plate.
  • the second side plate could be attached at its edge to the side edge of the main plate. In this way, the second side plate and the main plate form an L shape.
  • the overall structure has an H shape.
  • two separate rectangular areas are defined.
  • One side edge of each of the rectangular areas is fully open which allows free and unencumbered viewing of the inside of the enclosures. This allows efficient supervision which is in contrast to a fully enclosed rectangular enclosure where it is difficult to see inside the enclosure.
  • the main plate, the first side plate and the second side plate are all arranged vertically.
  • the plates were arranged at an angle to the vertical (not shown).
  • the first side plate could be arranged at a 10 degree angle to the vertical so that the first side plate sloped inwardly towards the main plate.
  • the main plate or the second side plate could also be arranged slightly angled.
  • the “maximum height” of the plate should be understood as the maximum Y dimension of the plate in the plane of the plate.
  • FIG. 2 shows the same structure as FIG. 1 , but with two additional details.
  • a small circular shelf 5 has been mounted on the first side plate 3 .
  • This shelf is just one example of many different extra functional activity elements which could be mounted on the activity structure. Many different examples could be imagined. Some non-limiting examples are clocks, curtains, cupboards, funnels, tubes, etc . . . .
  • the second detail shown in FIG. 2 is a rectangular shelf 6 which is added in one of the inside corners of the structure.
  • the shelf is added between the second side plate 4 and the main plate 2 .
  • This second shelf 6 is advantageously attached to both the second side plate 4 and the main plate 2 . Due to this, the shelf 6 adds strength to the structure. In other words, the shelf acts as a corner strengthening element.
  • mounting feet 7 are shown.
  • the mounting feet can be formed in many different ways.
  • the mounting feet are fastened to the bottom edge of the plates via a bolt which goes through the foot 7 and the plate 3 .
  • each mounting foot is provided with vertical holes 8 through the foot whereby the foot can be fastened to a surface on which the structure is standing.
  • an earth spike could be inserted through the hole 8 and pounded into the earth underneath the structure.
  • the structure can be anchored in place as is required in certain safety standards, for example European safety standard EN 1176.
  • two vertically arranged holes are provided in each foot, one on each side of the plate.
  • a foot could be provided with only one vertically arranged hole arranged on one side of the plate.
  • Different forms of anchors are known to the person skilled in the art and won't be discussed further here.
  • each of the two side plates has two mounting feet.
  • the two side plates are each supported on the support surface on which the play structure is erected by at least two points. This provides a stable base for the play structure.
  • the overall dimensions have to be large enough so that it is possible to give the impression to the children of playing inside the structure. Due to this, a minimum dimension of 58 cm ⁇ 58 cm for small children and 80 cm ⁇ 80 cm for larger children for the main plate have been defined. Dimensions which are much smaller than this would provide a play environment which did not have the same advantages as the current activity structure.
  • the max height of the main plate can advantageously be greater than the typical height of the children playing in the structure. This provides a form of barrier between the two sides of the structure which encourages play through the structure rather than over the structure.
  • openings or holes are provided in the main plate which allow children to interact through the main plate.
  • openings or holes are provided in the main plate which allow children to interact through the main plate.
  • a shop environment could be imagined where one side of the structure was the inside of a shop and the other side was the outside of the shop.
  • a window between the two sides would allow interaction between the two sides of the structure. This greatly increases the play value of the structure to children.
  • an activity structure 20 shown in FIG. 3 is very similar to the one shown in FIGS. 1 and 2 .
  • this activity structure also comprises a main plate 21 , a first side plate 22 and a second side plate 23 .
  • the side plates are joined to the main plate along the side edge of the main plate such that the side plates extend from each side of the main plate.
  • an overall H shape is provided.
  • the only real difference between the first embodiment 1 and the second embodiment 20 is the overall outline of the plates.
  • the overall function and dimensions are very similar between the two embodiments, however, the playing activity inspired by the structure can be different between the two embodiments due to the different theme.
  • FIG. 3 also shows one example of a functional activity element 24 .
  • the functional activity element 24 is mounted in a through-going opening 25 formed in the main panel 21 .
  • the activity element could also be mounted in or on a side panel 22 , 23 .
  • the activity element 24 comprises a set of rollers 26 , each roller 26 being arranged to rotate about an axis which is parallel to the plane of the main plate.
  • the activity element is provided with two side plates 27 each being provided with a vertical slot 28 having a width which is equal to the thickness of the main plate. In this way, the activity element can be inserted into the through going opening 25 and then lowered down until the slots 28 engage the main plate 21 .
  • the functional activity element shown is just one example of an activity element which can be connected to the activity structure.
  • a nut 35 in the form of an elongated cylinder with an internal thread being formed in a hole which is perpendicular to the longitudinal axis of the elongated cylinder is then placed in a hole 36 formed in the shelf.
  • the bolt engages with the internal thread and the bolt can then be tightened.
  • the elongated cylinder shape of the nut is formed with a non-circular cross section taken through a plane which is perpendicular to the central axis of the elongated cylinder. This ensures that the nut does not rotate in the hole in the shelf which makes alignment between the nut and the bolt easier.
  • the side plates can also be attached to the main plate in this same manner.
  • other forms of attaching the plates to each other could also be imagined.
  • angle brackets could be used at the corners to connect the side plates to the main plate.
  • the main plate could be provided with a slot in the lower side of the plate close to the side edge of the main plate.
  • the side plate could be provided with a corresponding slot, but in its upper side.
  • the main plate could thereby be joined to the side plate simply by engaging the slots with each other.
  • the plates could thereafter be further joined together with fastening elements, for example bolts, angle brackets, etc . . . .
  • the side plate would not be connected directly to the side edge of the main plate, but would be located a distance inwardly from the side edge of the main plate. This can have both advantages and disadvantages.
  • tools are needed to disassemble the structure. Therefore, there is not risk that children in the playground could accidentally cause the structure to collapse.
  • FIG. 6 shows a third embodiment 40 of an activity structure according to the current invention.
  • the third embodiment is very similar to the first and second embodiments and won't be described in great detail here.
  • the third embodiment comprises a main plate 41 and a first side plate 42 .
  • the third embodiment does not comprise a second side plate.
  • the overall shape formed by the third embodiment is a T shape instead of an H shape. This reduces the number of inside corners, but also reduces the number of plates necessary.
  • FIG. 6 the overall structure of FIG. 6 consists of two plates and two inside corners.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Assembled Shelves (AREA)
  • Toys (AREA)
US15/529,018 2014-12-12 2015-12-14 Child play structure Abandoned US20170274293A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA201470774 2014-12-12
DKPA201470774 2014-12-12
PCT/EP2015/079614 WO2016092116A1 (en) 2014-12-12 2015-12-14 Child play structure

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US20170274293A1 true US20170274293A1 (en) 2017-09-28

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US (1) US20170274293A1 (zh)
EP (1) EP3229932B1 (zh)
CN (1) CN107405530A (zh)
AU (1) AU2015359296A1 (zh)
CA (1) CA2968631A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114687590B (zh) * 2022-03-29 2024-03-19 北京光影城文旅产业发展有限公司 一种亲子互动屋

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US2895256A (en) * 1956-11-19 1959-07-21 John H Miller Erection building toy
US4467572A (en) * 1982-04-05 1984-08-28 Somers Rex E Collapsible dwelling for children or animals
US4569664A (en) * 1983-02-02 1986-02-11 Giampetruzzi Jerry F Playhouse
US5174078A (en) * 1991-03-12 1992-12-29 Gregg West Roof construction for playhouse
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US5330379A (en) * 1993-04-05 1994-07-19 Roh Douglas L Construction set
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AU2015359296A1 (en) 2017-06-15
CN107405530A (zh) 2017-11-28
EP3229932A1 (en) 2017-10-18
CA2968631A1 (en) 2016-06-16
EP3229932B1 (en) 2020-06-03

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