EP0005879B1 - Suitcase with rollers - Google Patents

Suitcase with rollers Download PDF

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Publication number
EP0005879B1
EP0005879B1 EP79200247A EP79200247A EP0005879B1 EP 0005879 B1 EP0005879 B1 EP 0005879B1 EP 79200247 A EP79200247 A EP 79200247A EP 79200247 A EP79200247 A EP 79200247A EP 0005879 B1 EP0005879 B1 EP 0005879B1
Authority
EP
European Patent Office
Prior art keywords
luggage
handle
fact
suitcase
rolling means
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.)
Expired
Application number
EP79200247A
Other languages
German (de)
French (fr)
Other versions
EP0005879A1 (en
Inventor
Philippe Castanier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Superior SA
Original Assignee
Superior SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Superior SA filed Critical Superior SA
Priority to AT79200247T priority Critical patent/ATE1042T1/en
Publication of EP0005879A1 publication Critical patent/EP0005879A1/en
Application granted granted Critical
Publication of EP0005879B1 publication Critical patent/EP0005879B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00—Rigid or semi-rigid luggage
    • A45C5/14—Rigid or semi-rigid luggage with built-in rolling means

Definitions

  • the invention relates to hand luggage and in particular a suitcase comprising two shells assembled on one side by a hinge, on the other by means of gripping and lockable closure.
  • Document DE-A-2 005 520 describes a suitcase provided, on one of its end edges, with rolling means making it possible to move it in two different positions, one so that the lateral faces are more or less strongly inclined with respect to the rolling plane around the longest edge, the other, so that the suitcase is more or less inclined around the shortest edge. This document does not give details on the main constituent parts of the suitcase and how it is closed.
  • the object of the invention to provide a suitcase with incorporated rolling means, immediately available, whose weight and size are as small as possible and which allow the suitcase to roll either almost flat or on edge.
  • the suitcase according to the invention comprises, on an end edge, two rolling means allowing movement either in a first direction parallel to the lateral faces, or in a second direction perpendicular to the first, it is provided with 'at least a handful.
  • This bag is characterized by the fact that the two means are parallel to each other and are each arranged along one edge of an end edge so that they also provide stable and fixed seat of the suitcase on the corresponding end edge.
  • the main advantages of such a suitcase lie in the fact that it is possible to roll it on a uniform floor in two positions almost perpendicular to each other, to immobilize it vertically on the carrier edge - the driving directions are neutralized - the rolling device constituting an insulator on a surface wetted by rain.
  • the rolling means being incorporated into the bag can operate instantly without preparation or adjustment, both in the corridor of a wagon on the platform of a station, on a carpet or on any surface. Their intrinsic weight is negligible.
  • FIG. 1 represents an exemplary embodiment in which the suitcase is constituted by two shells 1, 2 assembled on a frame 3, said frame not being essential when the shells are rigid.
  • the assembly of the shells is ensured, in the absence of a frame, by a hinge on one side, gripping means on the opposite side.
  • Figure 2 shows that the rollers 11, 12 are embedded in cells 13 containing a support 14 of the axis 15 of the wheel, said support 14 can be separated from the cell 13 so as to make the rolling means removable. dish.
  • the axes 15 of the rollers 11, 12 are aligned parallel to the edge 16 of the shell 1, constituted by a cut plane 17 in the case described, which facilitates rolling flat, that is to say the side faces 18 , 28 being strongly inclined relative to the running plane (fig. 1a).
  • the rollers 21, 22 are also embedded in cells 23 each containing a support 24 of their axis 25.
  • the supports 24 can be separated from their cell 23 so as to make the rolling means on edge removable.
  • the axes 25 are mutually parallel and perpendicular to the edge 26 of the shell 2 forming a cutaway 27 in the case described.
  • the level of the axes 25 with respect to the outer surface of the edge 20 is calculated so that the outcrop of the rollers 21, 22 is sufficient to allow the suitcase to move along the edge, in a wagon corridor for example (FIG. 1 b).
  • the gripping means are constituted by a handle, normally located on the edge opposite to that of the hinge, in a housing which contains it entirely in its folded position and allows it to cover the locking device with a lock closing the suitcase.
  • an additional handle 5 is placed on the edge parallel and opposite to that 10, 20 which carries the casters 11, 12, 21, 22.
  • This handle 5 is located in a housing 50 where it retracts entirely when it is in the rest position.
  • the bottom 51 of this housing constitutes a support wall when the handle 5 is in the use position because it abuts against this wall and thus allows the suitcase to be held on its rollers either flat or on edge.
  • the handle 5 pivots around two axes 52 housed in the side walls of the housing 50, the pivot point of the branches 53, 54.
  • Each of these ends has a boss 530, 540 which is housed in at least one corresponding recess in the walls lateral of the housing 50, so that the handle is completely folded down in the said housing or in the position of use, the elasticity of the branches 53, 54 preventing it from pivoting on its own around its axes 52.
  • the edge rolling means consist of two rollers placed at each of the corners of a corner of the bag, on either side of the frame.
  • the suitcase does not have cut sides, unless a support for the axis of the rollers is placed outside the angles which support them.
  • FIGS. 3 and 4 show how the rolling means are removable.
  • the support 14 of the axes 15 is a box comprising a peripheral rim and tongues 140 projecting from the bottom of the box and comprising at their free and flexible end a beveled boss 141.
  • the support 14 is placed in a cell 13, 23 of the bag, the bottom of said cell having two rectangular openings 130 having dimensions substantially equal to those of the boss 141.
  • the bevelled shape of said boss and its shoulder 142 allow the fixing of the support 14 inside the cell 13.

Landscapes

  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Insulators (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Crushing And Grinding (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Packages (AREA)

Abstract

Suitcase comprising two shells (1,2) assembled on one side by a hinge and on the other side by gripping (5,5') (6,6') and lockable closure means. One of the edges (10) perpendicular to the hinge is provided with rolling means (11,12) allowing to move it into two different positions, one of them being almost flat so that the side faces are strongly tilted relative to the rolling plane, the other position being such that the suitcase may almost rest edgewise. Rollers (11,12,21,22) are sunk into alveolus (12,13) containing a support (14) for the axis (15) of said roller. These supports (14) may be separated from the alveolus (13) by pushing on the small tongues (140). The suitcase comprises two handles (5,6) of which at least one allows to hold it on the rollers thereof. The handle (5,6) pivots about two axes (52) set into the side walls of the housing (50); each of the ends of the branches (53,54) comprises a boss (530,540 ) which fits into a corresponding recess of the housing (50). The folded handle is fully contained in the housing therefore, and in the turned up position it abuts against the wall (51).

Description

L'invention concerne les bagages à main et particulièrement une valise comportant deux coques assemblées d'un côté par une charnière, de l'autre par des moyens de préhension et de fermeture verrouillable.The invention relates to hand luggage and in particular a suitcase comprising two shells assembled on one side by a hinge, on the other by means of gripping and lockable closure.

Dans ce domaine on connaît de nombreux modèles de valises réalisées en matière plastique thermo-formable ou injectable. Le facteur limitant les dimensions de ces valises est le poids tant du contenant que du contenu, à la fois pour obéir à des contraintes imposées par le transporteur, aérien par exemple, et à celles qui résultent de la capacité de l'usager à déplacer aisément sa valise entre les points de départ et d'arrivée des transports publics ou privés.In this area, there are numerous models of suitcases made of thermoformable or injectable plastic. The factor limiting the dimensions of these suitcases is the weight of both the container and the content, both to obey the constraints imposed by the carrier, air for example, and those resulting from the ability of the user to move easily his suitcase between the points of departure and arrival of public or private transport.

Dès qu'une valise est un peu importante, pour que sa capacité corresponde aux nombreux impedimenta que l'on veut y loger, se pose le problème de son déplacement jusqu'au moyen de transport utilisé, particulièrement dans les gares ou aérogares.As soon as a suitcase is a little large, so that its capacity corresponds to the many impedimenta that we want to accommodate, there is the problem of its movement to the means of transport used, particularly in stations or terminals.

Dans les pays où l'on tient compte du confort des voyageurs, des chariots sont mis à la disposition du public. Il existe également des dispositifs à roulettes, amovibles ou adhérents, mais outre leur encombrement et leur poids, la commodité de leur emploi n'est pas toujours évidente.In countries where passenger comfort is taken into account, carts are available to the public. There are also devices with casters, removable or adherent, but in addition to their size and weight, the convenience of their use is not always obvious.

Le document DE-A-2 005 520 décrit une valise pourvue, sur l'un de ses chants d'extrémité, de moyens de roulement permettant de la déplacer dans deux positions différentes, l'une de manière que les faces latérales soient plus ou moins fortement inclinées par rapport au plan de roulement autour du bord le plus long, l'autre, de façon que la valise soit plus ou moins inclinée autour du bord le plus court. Ce document ne donne pas de précision sur les parties constitutives principales de la valise et de son mode de fermeture.Document DE-A-2 005 520 describes a suitcase provided, on one of its end edges, with rolling means making it possible to move it in two different positions, one so that the lateral faces are more or less strongly inclined with respect to the rolling plane around the longest edge, the other, so that the suitcase is more or less inclined around the shortest edge. This document does not give details on the main constituent parts of the suitcase and how it is closed.

Le but de l'invention consiste à réaliser une valise comportant des moyens de roulement incorporés, immédiatement disponibles, dont le poids et l'encombrement soient aussi réduits que possible et qui permettent de faire rouler la valise soit presque à plat soit sur chant.The object of the invention to provide a suitcase with incorporated rolling means, immediately available, whose weight and size are as small as possible and which allow the suitcase to roll either almost flat or on edge.

A cette fin, la valise selon l'invention comporte, sur un chant d'extrémité, deux moyens de roulement permettant un déplacement soit dans une première direction parallèle aux faces latérales, soit dans une deuxième direction perpendiculaire à la première, elle est munie d'au moins une poignée.To this end, the suitcase according to the invention comprises, on an end edge, two rolling means allowing movement either in a first direction parallel to the lateral faces, or in a second direction perpendicular to the first, it is provided with 'at least a handful.

Cette valise est caractérisée par le fait que les deux moyens sont parallèles l'un à l'autre et disposés, chacun, le long d'un bord d'un chant d'extrémité de telle sorte qu'ils assurent, en outre, une assise stable et fixe de la valise sur le chant d'extrémité correspondant. Les principaux avantages d'une telle valise résident dans le fait qu'il est possible de la faire rouler sur un sol uniforme dans deux positions presque perpendiculaires l'une par rapport à l'autre, de l'immobiliser verticalement sur le chant porteur - les directions de roulement se neutralisant - le dispositif de roulement constituant un isolant sur un revêtement mouillé par la pluie.This bag is characterized by the fact that the two means are parallel to each other and are each arranged along one edge of an end edge so that they also provide stable and fixed seat of the suitcase on the corresponding end edge. The main advantages of such a suitcase lie in the fact that it is possible to roll it on a uniform floor in two positions almost perpendicular to each other, to immobilize it vertically on the carrier edge - the driving directions are neutralized - the rolling device constituting an insulator on a surface wetted by rain.

Les moyens de roulement étant incorporés à la valise peuvent fonctionner instantanément sans préparation ni ajustage, aussi bien dans le couloir d'un wagon que sur le quai d'une gare, sur un tapis ou sur un revêtement quelconque. Leur poids intrinsèque est négligeable.The rolling means being incorporated into the bag can operate instantly without preparation or adjustment, both in the corridor of a wagon on the platform of a station, on a carpet or on any surface. Their intrinsic weight is negligible.

D'autres avantages ressortiront de la description de formes de réalisation, préférentielles mais non limitatives, et du dessin dans lequel

  • la figure 1 est une vue de trois quart,
  • les figures 1a, 1b, 1c sont des détails de la figure 1,
  • la figure 2 représente une coupe des moyens de roulement,
  • les figures 3 et 4 représentent des détails des moyens de roulement.
Other advantages will emerge from the description of embodiments, preferred but not limiting, and from the drawing in which
  • FIG. 1 is a three-quarter view,
  • FIGS. 1a, 1b, 1c are details of FIG. 1,
  • FIG. 2 represents a section of the rolling means,
  • Figures 3 and 4 show details of the rolling means.

La figure 1 représente un exemple de réalisation dans lequel la valise est constituée par deux coques 1, 2 assemblées sur un cadre 3, ledit cadre n'étant pas indispensable lorsque les coques sont rigides. L'assemblage des coques est assuré, en l'absence de cadre, par une charnière d'un côté, des moyens de préhension du côté opposé.FIG. 1 represents an exemplary embodiment in which the suitcase is constituted by two shells 1, 2 assembled on a frame 3, said frame not being essential when the shells are rigid. The assembly of the shells is ensured, in the absence of a frame, by a hinge on one side, gripping means on the opposite side.

Sur un des chants 10 de la coque 1, perpendiculaire à la charnière, sont placés des moyens de roulement à plat constitués par deux roulettes 11, 12, partiellement encastrées dans la coque 1.On one of the edges 10 of the shell 1, perpendicular to the hinge, are placed flat rolling means constituted by two rollers 11, 12, partially embedded in the shell 1.

Sur un des chants 20 de la coque 2, perpendiculaire à la charnière, sont placés des moyens de roulement sur chant constitués par deux roulettes 21, 22, partiellement encastrées dans la coque 2.On one of the edges 20 of the shell 2, perpendicular to the hinge, are placed rolling means on edge constituted by two rollers 21, 22, partially embedded in the shell 2.

La figure 2 montre que les roulettes 11, 12 sont encastrées dans des alvéoles 13 contenant un support 14 de l'axe 15 de la roulette, ledit support 14 pouvant être séparé de l'alvéole 13 de façon à rendre amovibles les moyens de roulement à plat. Les axes 15 des roulettes 11, 12 sont alignés parallèlement à l'arête 16 de la coque 1, constituée par un plan coupé 17 dans le cas décrit, qui facilite le roulement à plat, c'est-à-dire les faces latérales 18, 28 étant fortement inclinées par rapport au plan de roulement (fig. 1a).Figure 2 shows that the rollers 11, 12 are embedded in cells 13 containing a support 14 of the axis 15 of the wheel, said support 14 can be separated from the cell 13 so as to make the rolling means removable. dish. The axes 15 of the rollers 11, 12 are aligned parallel to the edge 16 of the shell 1, constituted by a cut plane 17 in the case described, which facilitates rolling flat, that is to say the side faces 18 , 28 being strongly inclined relative to the running plane (fig. 1a).

Les roulettes 21, 22 sont également encastrées dans des alvéoles 23 contenant chacune un support 24 de leur axe 25. Les supports 24 peuvent être séparés de leur alvéole 23 de façon à rendre amovibles les moyens de roulement sur chant. Les axes 25 sont parallèles entre eux et perpendiculaires à l'arête 26 de la coque 2 formant un pan coupé 27 dans le cas décrit.The rollers 21, 22 are also embedded in cells 23 each containing a support 24 of their axis 25. The supports 24 can be separated from their cell 23 so as to make the rolling means on edge removable. The axes 25 are mutually parallel and perpendicular to the edge 26 of the shell 2 forming a cutaway 27 in the case described.

Le niveau des axes 25 par rapport à la surface extérieure du chant 20 est calculé de façon que l'affleurement des roulettes 21, 22 soit suffisant pour permettre le déplacement sur chant de la valise, dans un couloir de wagon par exemple (fig. 1 b).The level of the axes 25 with respect to the outer surface of the edge 20 is calculated so that the outcrop of the rollers 21, 22 is sufficient to allow the suitcase to move along the edge, in a wagon corridor for example (FIG. 1 b).

Les moyens de préhension sont constitués par une poignée, normalement située sur le chant opposé à celui de la charnière, dans un logement qui la contient entièrement dans sa position de repli et lui permet de recouvrir le dispositif de verrouillage d'une serrure fermant la valise.The gripping means are constituted by a handle, normally located on the edge opposite to that of the hinge, in a housing which contains it entirely in its folded position and allows it to cover the locking device with a lock closing the suitcase.

Afin de faciliter la conduite de la valise sur ses roulettes, tant dans la position à plat (fig. 1a) que dans la position sur chant (fig. 1 b), une poignée 5 supplémentaire est placée sur le chant parallèle et opposé à celui 10, 20 qui porte les roulettes 11, 12, 21, 22.In order to facilitate the driving of the suitcase on its casters, both in the flat position (fig. 1a) and in the edge position (fig. 1 b), an additional handle 5 is placed on the edge parallel and opposite to that 10, 20 which carries the casters 11, 12, 21, 22.

Cette poignée 5 est située dans un logement 50 où elle s'escamote entièrement lorsqu'elle est en position de repos. Le fond 51 de ce logement constitue une paroi d'appui lorsque la poignée 5 est en position d'utilisation car elle bute contre cette paroi et permet ainsi de tenir la valise sur ses roulettes soit à plat soit sur chant.This handle 5 is located in a housing 50 where it retracts entirely when it is in the rest position. The bottom 51 of this housing constitutes a support wall when the handle 5 is in the use position because it abuts against this wall and thus allows the suitcase to be held on its rollers either flat or on edge.

Toutes les poignées de la valise sont munies d'un dispositif (fig. 1c) qui les maintient dans leur logement lorsqu'elles sont rabattues de façon à leur éviter les avaries qui pourraient résulter d'un déploiement intempestif dû aux vibrations d'une soute à bagage par exemple.All the handles of the suitcase are provided with a device (fig. 1c) which keeps them in their housing when they are folded down so as to avoid them the damages which could result from an untimely deployment due to the vibrations of a hold. luggage for example.

La poignée 5 pivote autour de deux axes 52 logés dans les parois latérales du logement 50, le point de pivotement des branches 53, 54. Chacune de ces extrémités comporte un bossage 530, 540 qui vient se loger dans au moins un évidement correspondant des parois latérales du logement 50, de façon que la poignée soit totalement rabattue dans ledit logement ou en position d'utilisation, l'élasticité des branches 53, 54 l'empêchant de pivoter toute seule autour de ses axes 52.The handle 5 pivots around two axes 52 housed in the side walls of the housing 50, the pivot point of the branches 53, 54. Each of these ends has a boss 530, 540 which is housed in at least one corresponding recess in the walls lateral of the housing 50, so that the handle is completely folded down in the said housing or in the position of use, the elasticity of the branches 53, 54 preventing it from pivoting on its own around its axes 52.

Dans une variante, les moyens de roulement sur chant sont constitués par deux roulettes placées à chacun des angles d'un coin de la valise, de part et d'autre du cadre. Dans cette forme de réalisation la valise ne comporte pas de pans coupés, sauf si un support de l'axe des roulettes est placé à l'extérieur des angles qui les supportent.In a variant, the edge rolling means consist of two rollers placed at each of the corners of a corner of the bag, on either side of the frame. In this embodiment, the suitcase does not have cut sides, unless a support for the axis of the rollers is placed outside the angles which support them.

Les figures 3 et 4 permettent de voir comment les moyens de roulement sont amovibles. Le support 14 des axes 15 est une boîte comportant un rebord périphérique et des languettes 140 dépassant le fond de la boîte et comportant à leur extrémité libre et souple un bossage 141 biseauté.Figures 3 and 4 show how the rolling means are removable. The support 14 of the axes 15 is a box comprising a peripheral rim and tongues 140 projecting from the bottom of the box and comprising at their free and flexible end a beveled boss 141.

Le support 14 est mis en place dans une alvéole 13, 23 de la valise, le fond de ladite alvéole comportant deux ouvertures rectangulaires 130 ayant des dimensions sensiblement égales à celles du bossage 141. La forme biseautée dudit bossage et son épaulement 142 permettent la fixation du support 14 à l'intérieur de l'alvéole 13.The support 14 is placed in a cell 13, 23 of the bag, the bottom of said cell having two rectangular openings 130 having dimensions substantially equal to those of the boss 141. The bevelled shape of said boss and its shoulder 142 allow the fixing of the support 14 inside the cell 13.

Pour enlever ledit support de son alvéole il faut ouvrir la valise et presser sur les bossages 141 de façon à les rapprocher l'un de l'autre jusqu'à ce qu'ils repassent à travers les ouvertures 130.To remove said support from its cell, it is necessary to open the suitcase and press on the bosses 141 so as to bring them closer to one another until they pass again through the openings 130.

Claims (6)

1. Luggage comprising on an edge (10, 20) two rolling means (11, 12) (21, 22) permitting a luggage movement either in a first direction parallel to the lateral faces (18, 28) or in a second direction perpendicular to said first direction, and provided with at least one handle (5), characterized by the fact that the two means are each disposed along two parallel lines and along one edge (16, 17) (26, 27) of a minor side (10, 20), whereby they further assure a stable and fixed seat of the luggage on the corresponding minor side (10, 20).
2. Luggage according to claim 1, characterized by the fact that the rolling means (11, 12) (21, 22) are detachable and consist of supports (14) of casters (11, 12) said support being provided with flexible lugs (140) having at their free end a bevelled rib (141) forming a shoulder (142), and that recesses (13, 23) adapted to receive said supports (14) are formed at a proper location adjacent the edges (16, 26) of the minor side (10, 20).
3. Luggage according to claim 2, characterized by the fact that it comprises two fold-down transport handles disposed the one on the major side comprising the luggage lock and the other (5) on the luggage minor side opposite the one provided with the rolling means, in order to facilitate the use of said rolling means in each direction of movement.
4. Luggage according to claim 3, characterized by the fact that each handle is recessed in a cavity (50) of the luggage shell which encloses it completely when folded, and that it pivots about two pivot pins (52) supporting same for bearing against the rear wall (51) of said cavity, said wall limiting its pivotal movement when the handle is in its operative position.
5. Luggage according to claim 4, characterized by the fact that the arms (53, 54) of each handle comprise a boss (530, 540) close to its pivot point.
6. Luggage according to claim 5, characterized by the fact that the lateral walls of the cavity (50) comprise at least one recess of which the dimensions match those of the bosses (530, 540) so as to retain the handle in its cavity when the handle is folded.
EP79200247A 1978-05-26 1979-05-21 Suitcase with rollers Expired EP0005879B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79200247T ATE1042T1 (en) 1978-05-26 1979-05-21 HAND CASE WITH WHEELS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7816941A FR2426426A1 (en) 1978-05-26 1978-05-26 SUITCASE WITH WHEELS
FR7816941 1978-05-26

Publications (2)

Publication Number Publication Date
EP0005879A1 EP0005879A1 (en) 1979-12-12
EP0005879B1 true EP0005879B1 (en) 1982-05-19

Family

ID=9209151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79200247A Expired EP0005879B1 (en) 1978-05-26 1979-05-21 Suitcase with rollers

Country Status (10)

Country Link
US (1) US4311222A (en)
EP (1) EP0005879B1 (en)
JP (1) JPS55500369A (en)
AT (1) ATE1042T1 (en)
CA (1) CA1127119A (en)
DE (1) DE2962877D1 (en)
ES (1) ES243553Y (en)
FR (1) FR2426426A1 (en)
PT (1) PT69676A (en)
WO (1) WO1979001126A1 (en)

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US9918532B2 (en) * 2014-10-10 2018-03-20 Contrail, LLC Interchangeable luggage perimeter
GB2545124B (en) * 2015-10-30 2017-12-13 Magmatic Ltd Suitcases
USD952345S1 (en) 2020-02-06 2022-05-24 Contrail, LLC Luggage corner guard

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Also Published As

Publication number Publication date
FR2426426A1 (en) 1979-12-21
ATE1042T1 (en) 1982-06-15
US4311222A (en) 1982-01-19
EP0005879A1 (en) 1979-12-12
PT69676A (en) 1979-06-01
JPS55500369A (en) 1980-06-26
ES243553U (en) 1980-02-16
WO1979001126A1 (en) 1979-12-27
DE2962877D1 (en) 1982-07-08
CA1127119A (en) 1982-07-06
ES243553Y (en) 1980-07-16
FR2426426B1 (en) 1980-10-24

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