EP0064915A1 - Playing cart - Google Patents
Playing cart Download PDFInfo
- Publication number
- EP0064915A1 EP0064915A1 EP82400773A EP82400773A EP0064915A1 EP 0064915 A1 EP0064915 A1 EP 0064915A1 EP 82400773 A EP82400773 A EP 82400773A EP 82400773 A EP82400773 A EP 82400773A EP 0064915 A1 EP0064915 A1 EP 0064915A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- trolley according
- uprights
- upright
- core
- trolley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
- A47D13/06—Children's play- pens
- A47D13/061—Children's play- pens foldable
- A47D13/065—Children's play- pens foldable with rigid walls
Definitions
- the present invention relates to furniture structures for playful purposes, and more particularly, a play trolley for young children.
- Safety is the paramount parameter to take into account when it comes to utility or play materials intended for use by young children.
- the mechanical strength over time of these materials must be particularly sought to minimize the risk of danger to children, notwithstanding the sometimes somewhat destructive nature of these.
- the object of the present invention is precisely to propose a play trolley for young children, having characteristics of great flexibility and resistance, greatly limiting the risks of deterioration, and capable of absorbing any various shocks, not only as regards the very structure of the cart, but also for the child occupying this cart, especially in the event of collisions with fixed or mobile obstacles.
- the play trolley comprises a box mounted on wheels and comprising a peripheral frame consisting of side members extending between corner uprights, each end of side member being connected to an amount by a flexible connecting member.
- the frame is made up, for each face of the body, of a pair of parallel beams, each beam being made up of a rigid core sheathed by a plastic tube whose extensions, at beyond the ends of the core, constitute the connecting members of the spar to the uprights which it supports.
- the carriage body is triangular, the wheels being mounted at the corner uprights of the triangle.
- This arrangement gives the carriage considerably increased deformability and stability characteristics, in particular making it very difficult to overturn.
- the play trolley according to the invention shown in Figure 1 consists of a peripheral frame consisting, for each face, of a pair of an upper beam 1 and a lower beam 2, parallel to each other connected by bars 3 according to the general structure of a ladder.
- the side members 1 and 2 are secured at their ends opposite to vertical uprights 4, defining the corners of the body polygon, advantageously a triangle.
- the body is completed by a floor 5 at the plane of the lower side members 2.
- each spar 1,2 is made up of a core 6, advantageously of wood, of preferential cylindrical shape.
- This core 6 is sheathed by a tube 7 made of plastic material , of internal diameter slightly greater than the external diameter of the cores 6.
- the overall length of each core 6 is slightly less than the distance between the two uprights 4 that the corresponding spar underpins, the spar being fixed to the upright 4 by the extensions 8 of the sheathing tube 7, extending beyond the ends of the core 6 : these extensions 8 being forced flattened against the outer periphery of the upright 4 and secured to the latter by a screw and washer assembly 9 with an axis substantially coincident with the bisector between two adjacent longitudinal members.
- a screw and washer assembly 9 with an axis substantially coincident with the bisector between two adjacent longitudinal members.
- the successive upper 1 and lower 2 longitudinal members consist of three wooden webs, with a diameter of about 30 mm, ga inserted by a single tube made of flexible plastic material but having a certain rigidity, for example polyvinyl with a thickness of about 4 mm, the opposite ends of this tube being abutted around a spacer ring or fitted one on the other, as shown in 10, to achieve a complete cladding of the entire frame formed by the side members, the assembly being produced and shaped by slightly heating the cladding tube.
- a certain rigidity for example polyvinyl with a thickness of about 4 mm
- the tube areas between two successive cores 6 constitute the connection parts 8 of the side members of the upright 4, ensuring the flexible connection between the latter and the upright in a particularly simple and effective arrangement, the sheathing tube 7 also contributing to achieve a damping effect over the entire length of the side members 1 or 2, the uprights 4 themselves consist of a cylindrical metallic or wooden core 16 coated with a gai- plastic swim 17, as well as the bars 3.
- each upright comprises a pair of top and bottom damping elements 12 and 13, respectively, of flattened cylindrical shape projecting both towards the 'outside only inwards with respect to the corresponding angle of the body, and advantageously made of flexible or semi-rigid plastic.
- the upper damping elements 12 are fixed to the upper ends of the uprights 4 by other cylindrical damping elements of smaller diameter 14.
- the floor 5 consists of a veil provided, on its underside, along its sides, with stiffening slats and support bearing simply on the inner projecting parts of the damping elements 13, the floor 5 thus being mounted floating on the body. Notwithstanding a certain flexibility in the event of an impact, the body structure of the trolley according to the invention has a rigidity of almost non-deformable shape, even after a long time of use under severe operating conditions.
Abstract
Le chariot comprend une caisse comportant un cadre péripherique constitué de longerons parallèles (1; 2) s'etendant entre des montants de coins (4), chaque longeron comprenant une âme rigide gainée par un tube en matière plastique souple se prolongeant au-delà des extrémités de l'âme et fixée (en 9) aux montants (4) pour réaliser une liaison souple entre ceux-ci et les différents longerons. Chaque montant comprend avantageusement une paire d'éléments amortisseurs (12 et 13), le plancher (5) étant monté flottant sur les éléments amortisseurs bas (13).The carriage comprises a box comprising a peripheral frame made up of parallel longitudinal members (1; 2) extending between the uprights of corners (4), each longitudinal member comprising a rigid core sheathed by a flexible plastic tube extending beyond the ends of the core and fixed (at 9) to the uprights (4) to make a flexible connection between them and the various side members. Each upright advantageously comprises a pair of damping elements (12 and 13), the floor (5) being mounted floating on the low damping elements (13).
Description
La présente invention concerne des structures de mobilier à but ludique, et plus particulièrement, un chariot de jeu pour jeunes enfants.The present invention relates to furniture structures for playful purposes, and more particularly, a play trolley for young children.
La sécurité est le paramètre primordial à prendre en compte lorsqu'il s'agit de matériels utilitaires ou ludiques destinés à être utilisés par des jeunes enfants. En corollaire à la sécurité, la tenue mécanique dans le temps de ces matériels doit être particulièrement recherchée pour limiter au maximum les risques de danger pour les enfants, nonobstant le caractère parfois quelque peu destructeur de ces derniers. Ces considérations valent tout particulièrement pour les structures de jeu intensément exploitées par les enfants, et de façon encore plus accrue pour les jeux non statiques.Safety is the paramount parameter to take into account when it comes to utility or play materials intended for use by young children. As a corollary to safety, the mechanical strength over time of these materials must be particularly sought to minimize the risk of danger to children, notwithstanding the sometimes somewhat destructive nature of these. These considerations apply particularly to play structures intensively exploited by children, and even more so for non-static play.
La présente invention n précisément pour objet de proposer un chariot de jeu pour jeunes enfants, présentant des caractéristiques de grande souplesse et de résistance, limitant grandement les risques de détérioration, et susceptible d'encaisser tous chocs divers,non seulement pour ce qui est de la structure même du chariot, mais également pour l'enfant occupant ce chariot, notamment en cas de heurts contre des obstacles fixes ou mobiles.The object of the present invention is precisely to propose a play trolley for young children, having characteristics of great flexibility and resistance, greatly limiting the risks of deterioration, and capable of absorbing any various shocks, not only as regards the very structure of the cart, but also for the child occupying this cart, especially in the event of collisions with fixed or mobile obstacles.
Pour ce faire, selon une caractéristique de la présente invention, le chariot de jeu comprend une caisse montée sur roues et comportant un cadre périphérique constitué de longerons s'étendant entre des montants de coins, chaque extrémité de longeron étant reliée à un montant par un organe de liaison souple.To do this, according to a characteristic of the present invention, the play trolley comprises a box mounted on wheels and comprising a peripheral frame consisting of side members extending between corner uprights, each end of side member being connected to an amount by a flexible connecting member.
Selon une autre caractéristique de l'invention, le cadre est constitué, pour chaque face de la caisse, d'une paire de longerons parallèles, chaque longeron étant constitutué d'une âme rigide gainée par un tube en matière plastique dont les prolongements, au-delà des extrémités de l'âme, constituent les organes de liaison du longeron aux montants qu'il sous-tend.According to another characteristic of the invention, the frame is made up, for each face of the body, of a pair of parallel beams, each beam being made up of a rigid core sheathed by a plastic tube whose extensions, at beyond the ends of the core, constitute the connecting members of the spar to the uprights which it supports.
Grâce à cet agencement, on obtient. une structure de caisse à rigidité de forme mais offrant néanmoins une certaine souplesse en déformation, conférant un rôle d'amortissement propre à absorber les vibrations ou les chocs, que ceux-ci proviennent de l'extérieur du chariot ou de l'intérieur, notamment du fait d'un enfant occupant ce chariot,Thanks to this arrangement, we obtain. a body structure with rigidity in shape but nevertheless offering a certain flexibility in deformation, conferring a damping role capable of absorbing vibrations or shocks, whether these come from the outside of the carriage or from the inside, in particular due to a child occupying this cart,
Selon une autre caractéristique de l'invention, la caisse du chariot est triangulaire, les roues étant montées au niveau des montants de coins du triangle.According to another characteristic of the invention, the carriage body is triangular, the wheels being mounted at the corner uprights of the triangle.
Cet agencement confère au chariot des caractéristiques de déformabilité ainsi que de stabilité considérablement accrues, le rendant en particulier très difficilement renversable.This arrangement gives the carriage considerably increased deformability and stability characteristics, in particular making it very difficult to overturn.
D'autres caractéristiques et avantages de la présente invention ressortiront de la description suivante d'un mode de réalisation,donné à titre illustratif mais nullement limitatif, faite en relation avec les dessins annexés, sur lesquels :
- La figure 1 est une vue schématique en perspective d'un chariot de jeu selon l'invention; et
- La figure 2 représente, en vue en plan, une liaison souple entre les longerons et un montant de caisse.
- Figure 1 is a schematic perspective view of a play trolley according to the invention; and
- Figure 2 shows, in plan view, a flexible connection between the side members and a body amount.
Le chariot de jeu selon l'invention représenté sur la figure 1 se compose d'un cadre périphérique constitué, pour chaque face, d'une paire d'un longeron supérieur 1 et d'un longeron inférieur 2, parallèles entre eux reliés par des barreaux 3 suivant la structure générale d'une échelle.Les longerons 1 et 2 sont solidarisés à leurs extrémités opposés à des montants verticaux 4, définissant les coins du polygone de la caisse,avantageusement un triangle. La caisse est complétée par un plancher 5 au niveau du plan des longerons inférieurs 2.The play trolley according to the invention shown in Figure 1 consists of a peripheral frame consisting, for each face, of a pair of an upper beam 1 and a lower beam 2, parallel to each other connected by
Comme on le voit mieux sur la figure 2,conformément à l'invention,chaque longeron 1,2 est constitué d'une âme 6, avantageusement en bois,de forme préférentielle cylindrique.Cette âme 6 est gainée par un tube 7 en matière plastique,de diamètre interne légèrement supérieur au diamètre externe des âmes 6. La longueur hors tout de chaque âme 6 est légèrement inférieure à la distance entre les deux montants 4 que le longeron correspondant sous-tend,le longeron étant fixé au montant 4 par les prolongements 8 du tube de gainage 7,s'étendant au-delà des extrémités de l'âme 6:ces prolongements 8 étant forcés aplatis contre la périphérie extérieure du montant 4 et solidarisés à ce dernier par un assemblage à vis et rondelle 9 d'axe sensiblement confondu avec la bissectrice entre deux longerons adjacents.Dans un mode de réalisation préférentiel représenté sur la figure 1, les longerons successifs supérieurs 1 et inférieurs 2 sont constitués de trois âmes en bois,d'un diamètre d'environ 30 mm,gainés par un tube unique en matériau plastique souple mais présentant une certaine rigidité,par exemple en polyvinyle d'une épaisseur d'environ 4 mm,les extrémités opposées de ce tube étant aboutées autour d'une bague entretoise ou emmanchées l'une sur l'autre,comme représenté en 10,pour réaliser un gainage complet de tout le cadre constitué par les longerons,l'ensemble étant réalisé et mis en forme en chauffant légèrement le tube de gainage.Comme on le voit bien sur la figure 2, on comprendra que les zones de tube entre deux âmes successives 6 constituent les parties de connexion 8 des longerons au montant 4, assurant la liaison souple entre ces derniers et le montant suivant un agencement particulièrement simple et efficace, le tube de gainage 7 concourant par ailleurs à réaliser un effet d'amortissement sur toute la longueur des longerons 1 ou 2, les montants 4 sont eux-mêmes constitués d'une âme cylindrique métallique ou en bois 16 revêtue d'un gai-nage plastique 17, de même que les barreaux 3.As can best be seen in FIG. 2, in accordance with the invention, each spar 1,2 is made up of a core 6, advantageously of wood, of preferential cylindrical shape. This core 6 is sheathed by a tube 7 made of plastic material , of internal diameter slightly greater than the external diameter of the cores 6. The overall length of each core 6 is slightly less than the distance between the two uprights 4 that the corresponding spar underpins, the spar being fixed to the upright 4 by the extensions 8 of the sheathing tube 7, extending beyond the ends of the core 6 : these extensions 8 being forced flattened against the outer periphery of the upright 4 and secured to the latter by a screw and washer assembly 9 with an axis substantially coincident with the bisector between two adjacent longitudinal members. In a preferred embodiment shown in FIG. 1, the successive upper 1 and lower 2 longitudinal members consist of three wooden webs, with a diameter of about 30 mm, ga inserted by a single tube made of flexible plastic material but having a certain rigidity, for example polyvinyl with a thickness of about 4 mm, the opposite ends of this tube being abutted around a spacer ring or fitted one on the other, as shown in 10, to achieve a complete cladding of the entire frame formed by the side members, the assembly being produced and shaped by slightly heating the cladding tube. As can be seen in FIG. 2, will understand that the tube areas between two successive cores 6 constitute the connection parts 8 of the side members of the upright 4, ensuring the flexible connection between the latter and the upright in a particularly simple and effective arrangement, the sheathing tube 7 also contributing to achieve a damping effect over the entire length of the side members 1 or 2, the uprights 4 themselves consist of a cylindrical metallic or
Le chariot est monté sur des roulettes orientables 11, rapportées sur les extrémités inférieures des montants 4, pour assurer ainsi un polygone de sustentation de dimensions optimales. Le chariot de jeu étant destiné à être amené à buter fréquemment contre divers objets, selon un aspect de l'invention chaque montant comprend une paire d'éléments amortisseurs haut et bas 12 et 13, respectivement, de forme cylindrique aplatie faisant saillie tant vers l'extérieur que vers l'intérieur par rapport à l'angle correspondant de la caisse, et réalisés avantageusement en matière plastique souple ou semi-rigide. Les éléments amortisseurs supérieurs 12 sont fixés sur les extrémités supérieures des montants 4 par d'autres éléments cylindriques amortisseurs de plus petit diamètre 14.The carriage is mounted on
Conformément à un autre aspect de l'invention, pour améliorer encore la souplesse et les qualités d'amortissement du chariot, le plancher 5 est constitué d'un voile pourvu, sur sa face inférieure, le long de ses côtés, de lattes de raidissement et de support portant simplement sur les parties en saillie intérieures des éléments amortisseurs 13, le plancher 5 étant ainsi monté flottant sur la caisse. Nonobstant une certaine souplesse en cas de choc, la structure de caisse du chariot selon l'invention présente une rigidité de forme quasiment indéformable, même après un long temps d'utilisation dans des conditions sévères d'exploitation.In accordance with another aspect of the invention, to further improve the flexibility and the damping qualities of the carriage, the floor 5 consists of a veil provided, on its underside, along its sides, with stiffening slats and support bearing simply on the inner projecting parts of the
Quoique la présente invention ait été décrite en relation avec un mode de réalisation particulier, elle ne s'en trouve pas limitée mais est au contraire susceptible de modifications et de variantes qui apparaîtront à l'homme de l'art. En particulier en place et lieu des prolongements des tubes de gainage, les liaisons souples entre les longerons et les montants peuvent être assurées par tout autre moyen équivalent.Although the present invention has been described in relation to a particular embodiment, it is not limited thereto but is on the contrary subject to modifications and variants which will appear to those skilled in the art. In particular in place and place of the extensions of the cladding tubes, the flexible connections between the side members and the uprights can be provided by any other equivalent means.
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8109041 | 1981-05-06 | ||
FR8109041A FR2505199A1 (en) | 1981-05-06 | 1981-05-06 | GAME CART |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0064915A1 true EP0064915A1 (en) | 1982-11-17 |
EP0064915B1 EP0064915B1 (en) | 1985-09-04 |
Family
ID=9258148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82400773A Expired EP0064915B1 (en) | 1981-05-06 | 1982-04-28 | Playing cart |
Country Status (5)
Country | Link |
---|---|
US (1) | US4433447A (en) |
EP (1) | EP0064915B1 (en) |
DE (1) | DE3265986D1 (en) |
ES (1) | ES264948Y (en) |
FR (1) | FR2505199A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491992A (en) * | 1983-11-03 | 1985-01-08 | Wittman Frederick H | Convertible baby crib and playpen |
US5826285A (en) | 1996-09-10 | 1998-10-27 | Kolcraft Enterprises, Inc. | Play yard |
US5867851A (en) * | 1996-09-10 | 1999-02-09 | Kolcraft Enterprises, Inc. | Play yard |
US5867850A (en) * | 1996-10-30 | 1999-02-09 | Kolcraft Enterprises, Inc. | Bassinet |
USD409411S (en) * | 1997-02-06 | 1999-05-11 | Kolcraft Enterprises, Inc. | Play yard |
US5706533A (en) * | 1997-03-17 | 1998-01-13 | Opheim; Don G. | Quadrantal crib with canopy and sliding gate |
US6076205A (en) * | 1999-03-08 | 2000-06-20 | Yang; Chih-Huang | Playpen with detachable frame sections |
US20030226204A1 (en) * | 2002-06-11 | 2003-12-11 | Dodge James R. | Transportable baby crib with leg bumpers |
US20130260970A1 (en) * | 2012-03-27 | 2013-10-03 | Stan L. Moskowich | Multifunction push up apparatus |
USD1022482S1 (en) * | 2023-10-09 | 2024-04-16 | Bingye Liang | Baby playpen |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2342422A1 (en) * | 1976-02-25 | 1977-09-23 | Barril Claude | OUTDOOR FURNITURE, ESPECIALLY SEAT OR GARDEN TABLE |
FR2422367A1 (en) * | 1978-01-17 | 1979-11-09 | Gal Andre Le | FOLDING PARK FOR CHILDREN |
-
1981
- 1981-05-06 FR FR8109041A patent/FR2505199A1/en active Granted
-
1982
- 1982-04-28 DE DE8282400773T patent/DE3265986D1/en not_active Expired
- 1982-04-28 EP EP82400773A patent/EP0064915B1/en not_active Expired
- 1982-05-03 US US06/374,024 patent/US4433447A/en not_active Expired - Fee Related
- 1982-05-04 ES ES1982264948U patent/ES264948Y/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2342422A1 (en) * | 1976-02-25 | 1977-09-23 | Barril Claude | OUTDOOR FURNITURE, ESPECIALLY SEAT OR GARDEN TABLE |
FR2422367A1 (en) * | 1978-01-17 | 1979-11-09 | Gal Andre Le | FOLDING PARK FOR CHILDREN |
Also Published As
Publication number | Publication date |
---|---|
DE3265986D1 (en) | 1985-10-10 |
FR2505199B1 (en) | 1984-05-18 |
FR2505199A1 (en) | 1982-11-12 |
ES264948Y (en) | 1983-06-01 |
US4433447A (en) | 1984-02-28 |
ES264948U (en) | 1982-11-16 |
EP0064915B1 (en) | 1985-09-04 |
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