WO2000059332A1 - Valise a roulettes a plate-forme allongeable - Google Patents

Valise a roulettes a plate-forme allongeable Download PDF

Info

Publication number
WO2000059332A1
WO2000059332A1 PCT/EP1999/003233 EP9903233W WO0059332A1 WO 2000059332 A1 WO2000059332 A1 WO 2000059332A1 EP 9903233 W EP9903233 W EP 9903233W WO 0059332 A1 WO0059332 A1 WO 0059332A1
Authority
WO
WIPO (PCT)
Prior art keywords
platform
case according
actuating means
roller case
case
Prior art date
Application number
PCT/EP1999/003233
Other languages
German (de)
English (en)
Inventor
Michael Pfeiffer
Original Assignee
Mp Michael Pfeiffer Design & Marketing Gmbh
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 Mp Michael Pfeiffer Design & Marketing Gmbh filed Critical Mp Michael Pfeiffer Design & Marketing Gmbh
Publication of WO2000059332A1 publication Critical patent/WO2000059332A1/fr

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
    • B62B1/12—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
    • B62B1/125—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible by means of telescoping elements

Definitions

  • the present invention relates to a wheeled suitcase, in particular a so-called trolley, with an extendable platform.
  • Trolley cases which are also referred to as so-called board cases or trolleys, usually have a luggage case, on the bottom of which there are rollers.
  • a retractable telescopic handle is usually provided on the top for transport.
  • Such trolleys are known. They have the advantage over conventional suitcases that they can be transported on wheels and therefore represent a lower burden for the user.
  • additional handles are usually provided on one or more sides of the case so that the trolley can also be carried like a conventional suitcase. So that the telescopic handle is not a hindrance in these cases, it is usually designed to be retractable and can be retracted to such an extent that it no longer protrudes beyond the outer circumference of the case.
  • One or more front pockets are often attached to the luggage case, which can be closed, for example, by zippers or designed as open pockets.
  • the luggage case itself can consist of a single case element or be constructed in a modular manner from several case elements.
  • the luggage case is often made of a flexible material or synthetic material.
  • trolleys made of a rigid, shell-like case material are also known. Due to its easy handling, the trolley has been widely used in the past few years, especially by business travelers.
  • the luggage case usually has an elongated, parallelepiped general shape, usually two axially parallel wheels being arranged on an edge of the bottom side of the case.
  • the elongated case is usually oriented vertically in the parked rest position and has a small footprint compared to its height.
  • the stability of a suitcase that is parked on its two wheels and possibly one or more support feet is therefore relatively low. If such a trolley is used as a work platform, for example during stays at airports or train stations or by representatives when visiting customers, and is used as a base for expensive electronic devices such as portable computers (laptops), then there is a risk of tipping over such a trolley associated risk of damage to sensitive and expensive devices unacceptably large.
  • a roller case with the features of the preamble of the present claim 1 has become known from the international patent application WO 97/30607.
  • This wheeled case has a telescopic platform on its underside.
  • the platform consists of two parallel telescopic profiles, which are connected by a cross bar at their front end.
  • the platform is arranged approximately at the level of the wheels of the trolley and, in its retracted position, is essentially aligned with the outer circumference of the luggage body. In the extended position, the platform protrudes beyond the outer circumference of the case on the side of the case opposite the rollers.
  • the platform When the platform is extended, the footprint of the case is enlarged, so that the risk of accidental tipping is significantly reduced. Additional luggage can be transported on the extended platform during transport.
  • the case described in WO 97/30607 has disadvantages: the platform on the bottom is extended via spring-loaded telescopic rails.
  • the spring mechanism is connected via a cable to a release button arranged on the top of the case.
  • a release button arranged on the top of the case.
  • the connection between the platform and the top of the case creates a relatively rigid, inflexible system, the specific design of which must be designed specifically according to the shape and size of the respective luggage body.
  • the platform therefore has, instead of a push button on the top of the item of luggage, a sliding button on the front transverse bar of the platform, by means of which the user can trigger the spring system to slide out the platform.
  • This variant is also not free from disadvantages because it also requires a relatively complicated triggering mechanism.
  • the user must bend far down each time the slide button is pressed. This is particularly unfavorable if the platform has to be pulled out and pushed back very frequently, as is the case, for example, when using the trolley as a mobile office for representatives or other business travelers.
  • the known actuation system for the platform is also less suitable for less articulated people, but in particular for older people who prefer wheeled cases over conventional carrying cases.
  • the present invention is therefore based on the technical problem of providing a wheeled case with an extendable, bottom-side platform which is structurally simple and can be operated by the user without great effort.
  • the platform be lengthened by means of actuating means which can be displaced essentially in the vertical direction, suitable deflection means converting the vertical movement of the actuating means into a horizontal movement of the platform.
  • the present invention therefore relates to a wheeled case with a pull handle, a wheel arrangement, a platform arranged in the lower region of the case, which can be positioned in a first position which is essentially aligned with the outer circumference of the case and with means for horizontally extending the platform over the The outer circumference of the case, the roller case being characterized in that the means for extending the platform comprise an essentially vertically displaceable actuating means and means for deflecting the vertical movement of the actuating means into a horizontal movement of the platform.
  • the actuating means is preferably designed as a handle or switch which can be actuated manually by a user.
  • the actuating means is particularly preferably a foot strip that can be actuated by the user by foot.
  • the platform of the roller case according to the invention is mechanically particularly simple. It has no spring system for extending the platform, so that a correspondingly complex triggering and tensioning mechanism can also be dispensed with. Rather, the invention proposes to trigger the lengthening of the platform via an actuating means which can be displaced vertically by the user, the movement of which is mechanically coupled directly with the movement of the platform. If, for example, the platform is to be extended beyond the front of the case, it is advantageous to arrange the actuating means, that is to say for example a handle or a step bar, on the rear of the case. If the user then moves the handle or the step bar manually or with his foot downward, the platform is extended forward beyond the circumference of the case.
  • the platform can be returned to its starting position in two ways: either the user pushes the platform back in with his foot by horizontally moving the front edge of the platform their starting position; the handle or the step bar returns to your upper starting position at the same time as a vertical movement. Or the user grips the handle or the step bar with his hand or grips under the step bar with the tip of his foot and then pulls it back up to the starting position; with the movement of the actuating means upward, the direct mechanical coupling also ensures a horizontal movement of the platform back into its starting position, in which it is flush with the outer circumference of the case.
  • the deflecting means preferably consist of a flat band or a thin plate that is bendable perpendicular to its surface and relatively stiff parallel to its surface, one end of the band or plate with the actuating means, such as the kick strip, and the other end with the Platform is connected.
  • This band can be designed, for example, as a metal sheet.
  • the band is particularly advantageously implemented as a thin plastic plate.
  • the actuating means and the platform itself are particularly preferably made of plastic materials. Suitable, mechanically heavy-duty plastics are known to the person skilled in the art, for example, from the construction of roller blinds.
  • the deflection means can also consist, for example, of relatively rigid slats, which are constructed in the manner of a roller shutter and are movably guided to one another at their longitudinal edges.
  • the actuating means, the flexible band and the platform form an integral slide element. This eliminates the need for additional fastening and holding means for connecting the three elements to one another, and the necessary mechanical coupling between the actuating means and the platform can be implemented particularly easily.
  • the one-piece slide element is made of plastic, it is manufactured according to an advantageous embodiment as an injection molded component, which further reduces the manufacturing costs, particularly in the production of larger series.
  • an advantageous embodiment of the roller case according to the invention is characterized in that at least the Deflection means are arranged between a first and a second guide element.
  • the guide elements are preferably rigid and define an essentially L-shaped path for the deflection means.
  • the deflection means are essentially freely movable along this path.
  • the guide elements restrict the movement of the deflection means, so that, for example, the formation of folds or kinks in the deflection means is prevented.
  • the actuating means and the platform are also advantageously guided by the guide elements.
  • Base part of the second guide element are slidably arranged.
  • These rails also serve to guide the entire slide element consisting of actuating means, belt and platform and in particular prevent the platform from deviating sideways from its essentially straight horizontal extension path.
  • the rails have a stop, which the complete removal of the
  • the vertical movement of the actuating means downwards can be limited by a stop.
  • the actuating means is also preferably guided as it moves.
  • a cutout is advantageously provided in a back part of the second guide element, in which the actuating means can be displaced.
  • vertical guide wings can be provided on the sides of the cutout.
  • the two guide elements are also particularly advantageously designed as one-piece injection-molded components. Together with the slide element, the two guide elements in this case form a platform module consisting of only three, preferably one-piece individual components. During manufacture, the three individual components can be put together easily and the guide elements screwed, glued or welded together. The manufacturing costs of such a platform module are particularly low due to its simple structure. Since there is no connection to the top of the case, in particular the case handle, the same platform module can be used for a wide variety of wheeled cases. To attach it to the case, it is inserted into the preferably also L-shaped platform module. Suitable fastening means are provided for connecting the two components.
  • the first guide element advantageously comprises a substantially vertical back part and a substantially horizontal bottom part, the case being connectable to the back part and the bottom part.
  • a wide variety of fasteners can be used to connect the case to the first guide element.
  • the case is preferably screwed or glued. It is also conceivable to provide releasable fastening means, for example Velcro fasteners, so that the roller case can be used either with or without a platform.
  • the wheel arrangement is connected directly to the platform module.
  • At least the platform module has holding means for the wheel arrangement, in which the wheels with their axles can be inserted.
  • the holder means are advantageously connected to the guide elements of the platform module.
  • the holding means can be connected in one piece to the guide elements and, for example, can be formed with the second guide element as a one-piece injection molded component.
  • the holding means are particularly advantageously connected to the guide elements via connecting elements.
  • the width of the connecting elements can then be selected depending on the width of the respective roller case, so that the platform module with the wheel holders can be very easily adapted to different case sizes. This allows a particularly cost-effective production of the platform, since the shapes for the platform module and the wheel holders always remain the same and different injection molds are only required for connecting elements of different widths.
  • the roller case according to the invention is particularly preferably a trolley which has a telescopically extendable pull handle on its top for more convenient handling.
  • Figure 1 is a schematic perspective view of an inventive
  • Figure 2 is a perspective view of a preferred embodiment of the
  • Platform module of the case of Figure 1 is an exploded view of the platform module of Figure 2 in a first perspective view;
  • Figure 4 is an exploded view of the platform module of Figure 2 in a second perspective view;
  • Figure 5 is a side view of the platform module of Figure 2 with the retracted
  • FIG. 6 is a side view of the platform module of Figure 2 with the platform extended;
  • Figure 7 is a perspective view of a second embodiment of the
  • FIG. 8 shows another perspective illustration of the platform of FIG. 7.
  • a trolley 10 is shown schematically in FIG. 1, which has an essentially parallelepiped, elongated luggage body 11.
  • the luggage body 11 has a recess 12 on its upper side and lateral recesses 13, 14 in the region of the case bottom.
  • a retractable telescopic handle 15 is arranged in the upper recess 12 and connects the ends of two extendable telescopic rods 16, 17. It goes without saying that instead of the two telescopic rods, for example, a single telescopic rod can also be used.
  • Coaxial wheels or rollers 18, 19 are arranged in the lower recesses 13, 14. If the user extends the telescopic handle 15 and tilts the trolley 10 shown in FIG.
  • a platform module 20 is arranged on the underside of the luggage body 11, the structure of which is described in more detail in the following figures.
  • the actuating means formed in the example shown as a step bar 41 of the platform module 20 can be seen, which in the position shown is pushed completely downwards and has caused an extension of a platform 43, which comprises a longitudinal profile 45, beyond the circumference of the case.
  • the platform module 20 according to the invention is shown in its entirety in FIG. In the basic position shown here, the tread bar 41 is at its upper stop and the platform 43 is completely retracted.
  • the dimensions of the module are selected so that the platform 43 does not protrude, or only insignificantly, beyond the outer circumference of the luggage case 11 in this basic position.
  • the preferred embodiment of the platform module 20 shown consists of three, in each case one-piece injection-molded plastic components: a first, essentially L-shaped guide element 30, which has an essentially vertically oriented front part 31 and an essentially has horizontally oriented bottom part 32.
  • the first guide element 30 can have fastening means (not shown here) for connecting the luggage body 11 to the platform module 20.
  • a second guide element 50 which has the same L-shaped general shape as the first guide element 30. It has a back part 51 and a foot part 52 oriented essentially perpendicular thereto.
  • the back part 51 has bores 61, into which screws can be inserted, which can engage in corresponding threaded bores 38 provided on the front part 31 of the first guide element.
  • bores 62 for screws are provided in the base part 52 of the second guide element 50, which can engage in corresponding threaded bores 39 in the base part 32 of the first guide element 30 for connecting the two guide elements.
  • a slide element 40 is arranged between the two guide elements 30, 50 and is likewise designed as an integral injection-molded component.
  • the slider element 40 has a tread bar 41 and an extendable platform 43.
  • the platform 43 consists of two longitudinal profiles 44, 45 which are connected at their front end by a cross bar 46.
  • a flat, wide connecting web 47 is formed between the two longitudinal profiles 44, 45.
  • the platform 43 and the step bar 41 are connected to one another via a flexible band 42.
  • the three elements 30, 40, 50 of the platform module 20 are placed one in the other in such a way that the slide element 40 can be displaced in an L-shaped space defined between the guide elements 30, 50.
  • the shifting is carried out by pressing the step bar 41 downwards or by horizontally pushing back the cross bar 46 in the direction of the housing-like structure formed from the guide elements 30, 50.
  • a cutout 48 is cut out, the width of which corresponds essentially to the width of the tread bar 41 and the length of which in is substantially equal to the maximum extension of platform 43.
  • the kick bar 41 can be displaced in this cutout 48.
  • the longitudinal profiles 44, 45 are designed as U-shaped profiles, the legs of which engage in corresponding guide rails 44, 45, which are integrally formed on the foot part 52 of the second guide element 50.
  • the rails 54, 55 have stops 56, 57 which limit the movement of the longitudinal profiles 44, 45 of the slide element 40.
  • the step bar 41 moves essentially exclusively in a vertical direction, while the platform 43 is only moved in a horizontal direction.
  • the two movements are coupled via a bendable thin plastic plate 42, which is deflected essentially by a 90 ° angle by the guide elements 30, 50.
  • the guide elements 30, 50 are designed so that the formation of kinks, folds or bulges of the plate 42 perpendicular to its surface is avoided.
  • the second guide element 50 has a curved guide surface 53 in the deflection area, while pressure struts 35, 36, 37 are provided on the underside of the bottom part 31, the rear sections 35a, 36a, 37a located in the vicinity of the guide surface 53 are formed substantially complementary to the guide surface 53.
  • the front part 31 of the first guide element 30 has lateral strips 33, 34 which, on the one hand, terminate the arrangement of the first and second guide elements on the side and, on the other hand, also assume a guiding function for the flexible plate or the flexible band 42.
  • two wings 49, 60 are also provided on the back of the back part 51 of the second guide element 50.
  • FIG. 5 shows a side view of the platform module 20, the extendable platform 43 being in the retracted basic position.
  • the kick strip 41 which is covered by the guide wing 59 in the illustration, is in its uppermost position.
  • FIG. 6 shows, in the same view as in FIG. 5, the platform module 20 with an extended platform 43.
  • the kick strip 41 is in its lowest position in this case, while the longitudinal profiles (here the longitudinal profile 44 can be seen) and the transverse strip 46 of the platform 43 are maximally extended.
  • FIGS. 7 and 8 show a second embodiment of the platform module 20 according to the invention.
  • the platform module 20 which otherwise corresponds to the variant shown in FIGS. 2 to 6, has brackets 63, 64 in the present variant, in which the axles 18a, 19a of the wheels or rollers 18, 19 are rotatably mounted.
  • the wheel brackets 63, 64 have open wheel housings 65, 66 which can engage in corresponding recesses in the wheel case. Holes 67, 68 are left in the wheel brackets 63, 64, which allow the wheel brackets to be screwed to the luggage body of the case.
  • the wheel brackets 63, 64 are fastened to the platform module 20 via connecting elements 69, 70.
  • the connecting element 70 has two lateral cheeks 71 which are connected to the
  • the platform module 20, in particular the second guide element 50, the connecting elements 69, 70 and the wheel holders 63, 64 can be designed as a one-piece component, in particular as an injection molded component. However, a separate injection mold must then be produced for each desired wheelbase.
  • the platform module 20 according to the invention can also be on the underside of the cross bar 46 of the platform 43

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

L'invention concerne une valise à roulettes ou un chariot (10) comprenant une poignée de traction (15), des moyens à roulettes (18, 19), une plate-forme (43) disposée dans la zone inférieure de la valise et pouvant être positionnée suivant une position affleurant sensiblement le pourtour extérieur de la valise, ainsi que des moyens permettant d'allonger horizontalement la plate-forme (43) au-dessus du pourtour extérieur de la valise. L'invention est caractérisée en ce que les moyens d'allongement de la plate-forme (43) comprennent des moyens de commande (41) déplaçables sensiblement verticalement et réalisés notamment sous la forme d'une pédale, et des moyens (42) de changement de déplacement vertical des moyens de commande (41) en un déplacement horizontal de la plate-forme (43), et en ce que ces moyens de changement sont réalisés de préférence sous la forme d'une bande flexible ou d'une plaque mince flexible (42). Les moyens à roulettes peuvent être reliés à la plate-forme.
PCT/EP1999/003233 1999-03-30 1999-05-11 Valise a roulettes a plate-forme allongeable WO2000059332A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29905844U DE29905844U1 (de) 1999-03-30 1999-03-30 Rollenkoffer mit verlängerbarer Plattform
DE29905844.1 1999-03-30

Publications (1)

Publication Number Publication Date
WO2000059332A1 true WO2000059332A1 (fr) 2000-10-12

Family

ID=8071634

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/003233 WO2000059332A1 (fr) 1999-03-30 1999-05-11 Valise a roulettes a plate-forme allongeable

Country Status (2)

Country Link
DE (1) DE29905844U1 (fr)
WO (1) WO2000059332A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002003829A1 (fr) 2000-07-12 2002-01-17 Mp Michael Pfeiffer Design & Marketing Gmbh Systeme de transport de bagages
US10076167B2 (en) 2016-06-13 2018-09-18 Soon Young KIM Luggage system with transport platform
US10568402B2 (en) 2016-10-07 2020-02-25 Thecarryone Corp Luggage with transport platform

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10236474A1 (de) * 2002-08-08 2004-05-27 Lin, Tsong-Yow, Ta Tu Hsiang Abfalleimereinrichtung, die bündig gegen eine Wand positionierbar ist
DE202006012168U1 (de) * 2006-08-07 2007-12-20 Entholzner, Hans-Peter Moduladapter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403023A (en) * 1994-07-29 1995-04-04 Tsai; Cheng-Hsien Luggage truck
WO1995023084A2 (fr) * 1994-02-26 1995-08-31 United System Limited Chariot a bagages
US5590897A (en) * 1994-12-06 1997-01-07 Tsai; James Structure of carriage
US5639109A (en) * 1996-10-16 1997-06-17 Liang; Shan Kuai Collapsible luggage trolley
WO1997030607A1 (fr) 1996-02-24 1997-08-28 Moveasy International Limited Ameliorations relatives a une valise roulante pliable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995023084A2 (fr) * 1994-02-26 1995-08-31 United System Limited Chariot a bagages
US5403023A (en) * 1994-07-29 1995-04-04 Tsai; Cheng-Hsien Luggage truck
US5590897A (en) * 1994-12-06 1997-01-07 Tsai; James Structure of carriage
WO1997030607A1 (fr) 1996-02-24 1997-08-28 Moveasy International Limited Ameliorations relatives a une valise roulante pliable
US5639109A (en) * 1996-10-16 1997-06-17 Liang; Shan Kuai Collapsible luggage trolley

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002003829A1 (fr) 2000-07-12 2002-01-17 Mp Michael Pfeiffer Design & Marketing Gmbh Systeme de transport de bagages
DE10033698A1 (de) * 2000-07-12 2002-05-16 Mp Michael Pfeiffer Design & M Transportsystem für Gepäckstücke
DE10033698C2 (de) * 2000-07-12 2002-09-05 Mp Michael Pfeiffer Design & M Transportsystem für Gepäckstücke
US10076167B2 (en) 2016-06-13 2018-09-18 Soon Young KIM Luggage system with transport platform
US10568402B2 (en) 2016-10-07 2020-02-25 Thecarryone Corp Luggage with transport platform

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