EP2510825B1 - Rotary draw bar - Google Patents

Rotary draw bar Download PDF

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Publication number
EP2510825B1
EP2510825B1 EP10829513.0A EP10829513A EP2510825B1 EP 2510825 B1 EP2510825 B1 EP 2510825B1 EP 10829513 A EP10829513 A EP 10829513A EP 2510825 B1 EP2510825 B1 EP 2510825B1
Authority
EP
European Patent Office
Prior art keywords
rod
telescopic rod
jumping bead
leading end
jumping
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.)
Active
Application number
EP10829513.0A
Other languages
German (de)
French (fr)
Other versions
EP2510825A1 (en
EP2510825A4 (en
EP2510825B8 (en
Inventor
Roger Lu
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.)
Xiamen Sunnypet Products Co Ltd
Original Assignee
Xiamen Sunnypet Products Co Ltd
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 Xiamen Sunnypet Products Co Ltd filed Critical Xiamen Sunnypet Products Co Ltd
Publication of EP2510825A1 publication Critical patent/EP2510825A1/en
Publication of EP2510825A4 publication Critical patent/EP2510825A4/en
Publication of EP2510825B1 publication Critical patent/EP2510825B1/en
Application granted granted Critical
Publication of EP2510825B8 publication Critical patent/EP2510825B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/26—Special adaptations of handles
    • A45C13/262—Special adaptations of handles for wheeled luggage
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/26—Special adaptations of handles
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/26—Special adaptations of handles
    • A45C13/262—Special adaptations of handles for wheeled luggage
    • A45C2013/265—Special adaptations of handles for wheeled luggage the handle being adjustable in rotation to a towing element
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/26—Special adaptations of handles
    • A45C13/262—Special adaptations of handles for wheeled luggage
    • A45C2013/267—Special adaptations of handles for wheeled luggage the handle being slidable, extractable and lockable in one or more positions

Definitions

  • the present invention relates to a draw bar.
  • the present invention relates to a rotary draw bar for pulling cases or bags.
  • draw bars for pulling cases or bags typically can only stretch out and draw back, but cannot rotate relative to its perpendicular plane. Thus, the pulled cases or bags can only move in a tilt state, but cannot move in a horizontal state. When things such as pets (e.g., dogs and cats) in the case or bag need to be maintained in horizontal state, this is not possible to achieve with the conventional draw bars.
  • some products have draw bars that can make rotation.
  • the draw bar can only have a one-section telescopic rod, which limits the extension in length.
  • the rotary structure of the draw bar is relatively complex, with high cost and less reliability.
  • CN 2 686 395 Y discloses a rotary draw bar comprising a telescopic rod rotatably connected with a fixed base, and a jumping bead device having a jumping bead spring biased in a longitudinal direction of the telescopic rod for embedding the jumping bead in a positioning hole.
  • said jumping bead retracts from the positioning hole so that the telescopic rod can be rotated freely relative to fixed base until the jumping bead snaps into another positioning hole defining another angle position of the telescopic rod.
  • the present invention provides a rotary draw bar according to claim 1.
  • the fixed rod is a hollow rod.
  • the hollow rod preferably has a rectangular section.
  • the linkage between the leading end of the telescopic rod and the rotary shaft use rabbet joint.
  • the rotary shaft has a radial rabbet, which is provided with an axial opening for exposing the jumping bead.
  • the telescopic rod has a choke plug at the leading end. The leading end of the telescopic rod embeds into the radial rabbet, and the axial opening faces to the inclined surface and positioning hole on the fixed base.
  • the telescopic rod preferably is composed of at least two sections of hollow rods in nested connection. Each section of hollow rods has a leading end that is provided with a jumping bead device. Each section of the hollow rods of the telescopic rod preferably has a rectangular cross section.
  • the fixed base preferably is composed of a left part and a right part that are joined in alignment.
  • the right part has an inclined surface and a positioning hole thereon.
  • the fixed rod and fixed base are secured at a bottom of the case or bag.
  • the telescopic rod needs to be stretched out.
  • the second section hollow rod will be pulled backwards.
  • the push rod of the jumping bead device will back out under the action of the spring.
  • the spring will pop out the jumping bead.
  • the exposed jumping bead is in contact with the inclined surface of the fixed base, to rotate the telescopic rod upwards.
  • the telescopic rod will rotate with the rotary shaft.
  • the jumping bead slides on the inclined surface of the fixed base.
  • the jumping bead will embed into the positioning hole to position the telescopic rod.
  • the rotational angle of the telescopic rod can be controlled and adjustment of the position of the case or bag can be realized (e.g., to have the case or bag in horizontal position).
  • the telescopic rod needs to be drawn back. The second section hollow rod will be pushed forwards.
  • the bottom surface of the support of the jumping bead device at the leading end of the second section hollow rod will press the push rod of the jumping bead device at the leading end of the first section hollow rod, to make the push rod move forward, to force the spring of the jumping bead device at the leading end of the first section hollow rod to be tightened, so that the jumping bead of the jumping bead device at the leading end of the first section hollow rod will be retracted and not exposed.
  • the telescopic rod rotates to the initial state (i.e., the telescopic rod is coaxial with the fixed rod), the telescopic rod can be received in the fixed rod. This substantially reduces the space occupied.
  • the present invention not only is simple in structure, reliable in operation, occupies less space and can randomly change the number of sections of the telescopic rod, but also can rotate and is very convenient to use.
  • a rotary draw bar comprising a fixed rod 1 (hollow rod), a fixed base (composed of left part 21 and right part 22 joined in alignment), a rotary shaft 3 and a telescopic rod (composed of first section hollow rod 41 and second section hollow rod 42 in nested connection).
  • the fixed rod 1 has one end connected with the fixed base.
  • the rotary shaft 3 is positioned in an inner cavity of the fixed base and rotatably fits with the inner cavity of the fixed base.
  • a leading end of the first section of hollow rod 41 of the telescopic rod is in rabbet joint with the rotary shaft 3 (linkage connection).
  • the rotary shaft 3 has a radial rabbet 31, which is provided with an axial opening 32 for exposing the jumping bead 414 of the jumping bead device.
  • a choke plug 43 is positioned at the leading end of the first section hollow rod 41.
  • the leading end of the first section hollow rod 41 embeds into the radial rabbet 31, and the axial opening 32 faces the inclined surface 23 and positioning hole 24 on the fixed base.
  • a jumping bead device is arranged in a central hole at the leading end of the first section hollow rod 41.
  • the jumping bead device in the first section hollow rod 41 has a support 411, a push rod 412, a spring 413 and a jumping bead 414.
  • the support 411 is secured in the central hole at the leading end of the first section hollow rod 41.
  • the push rod 412 is positioned on the support 411 and slidably fits with the support 411.
  • the spring 413 is positioned in the spring hole of the support 411.
  • the jumping bead 414 has one end connected with the spring 413, and the other end exposed radially out of the hollow rod 41.
  • the right part 22 has an inclined surface 23 for the jumping bead 414 to slidably contact, and a positioning hole 24 for embedding the jumping bead 414.
  • An identical jumping bead device is also arranged in a central hole at the leading end of the second section hollow rod 42.
  • the jumping bead device has a support 421, a push rod 422, a spring 423 and a jumping bead 424.
  • the jumping bead 424 is positioned in the positioning hole (not shown in Figs. 1-5 ) on the inner wall of the central hole at the leading end of the first section hollow rod 41.
  • the second section hollow rod 42 has a handle 44 at the trailing end.
  • the fixed rod 1 and fixed base are secured at the bottom of the case or bag.
  • the telescopic rod When in use, the telescopic rod needs to be stretched out.
  • the second section hollow rod 42 will be pulled backwards.
  • the push rod 412 of the jumping bead device will back out under the action of the spring 413.
  • the spring 413 will pop out the jumping bead 414.
  • the exposed jumping bead 414 is in contact with the inclined surface 23 of the fixed base, to rotate the telescopic rod upwards.
  • the telescopic rod will rotate with the rotary shaft 3.
  • the jumping bead 414 slides on the inclined surface 23 of the fixed base.
  • the jumping bead 414 will embed into the positioning hole 24, to position the telescopic rod. Only by setting the location of the positioning hole as desired, the rotational angle of the telescopic rod can be controlled and adjustment of the position of the case or bag can be realized (e.g., to have the case or bag in horizontal position).
  • the telescopic rod When not in use, the telescopic rod needs to be drawn back.
  • the second section hollow rod 42 will be pushed forwards.
  • the bottom surface of the support of the jumping bead device at the leading end of the second section hollow rod 42 will press the push rod 412 of the jumping bead device at the leading end of the first section hollow rod 41, to make the push rod 412 move forward, to force the spring 413 of the jumping bead device at the leading end of the first section hollow rod 41 to be tightened, so that the jumping bead 414 of the jumping bead device at the leading end of the first section hollow rod 41 will be retracted and not exposed.
  • the telescopic rod rotates to the initial state (i.e., the telescopic rod is coaxial with the fixed rod 1), the telescopic rod can be received in the fixed rod 1. This substantially reduces the space to be occupied.

Description

    Field of Invention
  • The present invention relates to a draw bar. In particular, the present invention relates to a rotary draw bar for pulling cases or bags.
    • Background
  • Conventional draw bars for pulling cases or bags typically can only stretch out and draw back, but cannot rotate relative to its perpendicular plane. Thus, the pulled cases or bags can only move in a tilt state, but cannot move in a horizontal state. When things such as pets (e.g., dogs and cats) in the case or bag need to be maintained in horizontal state, this is not possible to achieve with the conventional draw bars. Currently, some products have draw bars that can make rotation. However, the draw bar can only have a one-section telescopic rod, which limits the extension in length. In addition, the rotary structure of the draw bar is relatively complex, with high cost and less reliability.
  • CN 2 686 395 Y discloses a rotary draw bar comprising a telescopic rod rotatably connected with a fixed base, and a jumping bead device having a jumping bead spring biased in a longitudinal direction of the telescopic rod for embedding the jumping bead in a positioning hole. By rotating the telescopic rod relative to the fixed base, said jumping bead retracts from the positioning hole so that the telescopic rod can be rotated freely relative to fixed base until the jumping bead snaps into another positioning hole defining another angle position of the telescopic rod.
    • Summary
  • It is an object of the present invention to provide a rotary draw bar that not only has simple structure, reliable operation, less space occupancy, and can randomly change the number of sections of the telescopic rod, but also can rotate.
  • In order to solve the above problem, the present invention provides a rotary draw bar according to claim 1.
  • The fixed rod is a hollow rod.
  • The hollow rod preferably has a rectangular section.
  • The linkage between the leading end of the telescopic rod and the rotary shaft use rabbet joint. The rotary shaft has a radial rabbet, which is provided with an axial opening for exposing the jumping bead. The telescopic rod has a choke plug at the leading end. The leading end of the telescopic rod embeds into the radial rabbet, and the axial opening faces to the inclined surface and positioning hole on the fixed base.
  • The telescopic rod preferably is composed of at least two sections of hollow rods in nested connection. Each section of hollow rods has a leading end that is provided with a jumping bead device. Each section of the hollow rods of the telescopic rod preferably has a rectangular cross section.
  • The fixed base preferably is composed of a left part and a right part that are joined in alignment. The right part has an inclined surface and a positioning hole thereon.
  • In use, the fixed rod and fixed base are secured at a bottom of the case or bag. When in use, the telescopic rod needs to be stretched out. The second section hollow rod will be pulled backwards. The push rod of the jumping bead device will back out under the action of the spring. At the same time, the spring will pop out the jumping bead. The exposed jumping bead is in contact with the inclined surface of the fixed base, to rotate the telescopic rod upwards. The telescopic rod will rotate with the rotary shaft. During rotation, the jumping bead slides on the inclined surface of the fixed base. When the telescopic rod rotates a certain angle, the jumping bead will embed into the positioning hole to position the telescopic rod. Only by setting the location of the positioning hole as desired, the rotational angle of the telescopic rod can be controlled and adjustment of the position of the case or bag can be realized (e.g., to have the case or bag in horizontal position). When not in use, the telescopic rod needs to be drawn back. The second section hollow rod will be pushed forwards. The bottom surface of the support of the jumping bead device at the leading end of the second section hollow rod will press the push rod of the jumping bead device at the leading end of the first section hollow rod, to make the push rod move forward, to force the spring of the jumping bead device at the leading end of the first section hollow rod to be tightened, so that the jumping bead of the jumping bead device at the leading end of the first section hollow rod will be retracted and not exposed. This allows the jumping bead to leave the positioning hole, and the telescopic rod can downwardly turn around. When the telescopic rod rotates to the initial state (i.e., the telescopic rod is coaxial with the fixed rod), the telescopic rod can be received in the fixed rod. This substantially reduces the space occupied.
  • Thus, the present invention not only is simple in structure, reliable in operation, occupies less space and can randomly change the number of sections of the telescopic rod, but also can rotate and is very convenient to use.
    • Brief Description of the Drawings
    • Fig. 1 schematically shows a structure of a draw bar according to the embodiment of the present invention.
    • Fig. 2 is an exploded view of the draw bar shown in Fig. 1.
    • Fig. 3 schematically shows an inner structure of the draw bar shown in Fig. 1 (in Fig. 3, the left part is omitted).
    • Fig. 4 schematically shows a rotary shaft according to the embodiment of the present invention.
    • Fig. 5 schematically shows a telescopic rod according to the embodiment of the present invention.
    Detailed Description
  • Now turning to Figs. 1-5, the present invention provides a rotary draw bar comprising a fixed rod 1 (hollow rod), a fixed base (composed of left part 21 and right part 22 joined in alignment), a rotary shaft 3 and a telescopic rod (composed of first section hollow rod 41 and second section hollow rod 42 in nested connection).
  • The fixed rod 1 has one end connected with the fixed base. The rotary shaft 3 is positioned in an inner cavity of the fixed base and rotatably fits with the inner cavity of the fixed base. A leading end of the first section of hollow rod 41 of the telescopic rod is in rabbet joint with the rotary shaft 3 (linkage connection). The rotary shaft 3 has a radial rabbet 31, which is provided with an axial opening 32 for exposing the jumping bead 414 of the jumping bead device. A choke plug 43 is positioned at the leading end of the first section hollow rod 41. The leading end of the first section hollow rod 41 embeds into the radial rabbet 31, and the axial opening 32 faces the inclined surface 23 and positioning hole 24 on the fixed base.
  • A jumping bead device is arranged in a central hole at the leading end of the first section hollow rod 41. The jumping bead device in the first section hollow rod 41 has a support 411, a push rod 412, a spring 413 and a jumping bead 414. The support 411 is secured in the central hole at the leading end of the first section hollow rod 41. The push rod 412 is positioned on the support 411 and slidably fits with the support 411. The spring 413 is positioned in the spring hole of the support 411. The jumping bead 414 has one end connected with the spring 413, and the other end exposed radially out of the hollow rod 41. The right part 22 has an inclined surface 23 for the jumping bead 414 to slidably contact, and a positioning hole 24 for embedding the jumping bead 414. An identical jumping bead device is also arranged in a central hole at the leading end of the second section hollow rod 42. The jumping bead device has a support 421, a push rod 422, a spring 423 and a jumping bead 424. The jumping bead 424 is positioned in the positioning hole (not shown in Figs. 1-5) on the inner wall of the central hole at the leading end of the first section hollow rod 41. The second section hollow rod 42 has a handle 44 at the trailing end.
  • In use, the fixed rod 1 and fixed base are secured at the bottom of the case or bag.
  • When in use, the telescopic rod needs to be stretched out. The second section hollow rod 42 will be pulled backwards. The push rod 412 of the jumping bead device will back out under the action of the spring 413. At the same time, the spring 413 will pop out the jumping bead 414. The exposed jumping bead 414 is in contact with the inclined surface 23 of the fixed base, to rotate the telescopic rod upwards. The telescopic rod will rotate with the rotary shaft 3. During rotation, the jumping bead 414 slides on the inclined surface 23 of the fixed base. When the telescopic rod rotates a certain angle, the jumping bead 414 will embed into the positioning hole 24, to position the telescopic rod. Only by setting the location of the positioning hole as desired, the rotational angle of the telescopic rod can be controlled and adjustment of the position of the case or bag can be realized (e.g., to have the case or bag in horizontal position).
  • When not in use, the telescopic rod needs to be drawn back. The second section hollow rod 42 will be pushed forwards. The bottom surface of the support of the jumping bead device at the leading end of the second section hollow rod 42 will press the push rod 412 of the jumping bead device at the leading end of the first section hollow rod 41, to make the push rod 412 move forward, to force the spring 413 of the jumping bead device at the leading end of the first section hollow rod 41 to be tightened, so that the jumping bead 414 of the jumping bead device at the leading end of the first section hollow rod 41 will be retracted and not exposed. This allows the jumping bead to leave the positioning hole, and the telescopic rod can downwardly turn around. When the telescopic rod rotates to the initial state (i.e., the telescopic rod is coaxial with the fixed rod 1), the telescopic rod can be received in the fixed rod 1. This substantially reduces the space to be occupied.

Claims (7)

  1. A rotary draw bar for pulling cases or bags comprising:
    a fixed rod (1), a fixed base, a rotary shaft (3), and a telescopic rod, wherein the fixed rod (1) has one end connected with the fixed base;
    wherein the telescopic rod is a hollow rod (41) with a leading end of the telescopic rod in linkage connection with the rotary shaft (3); wherein a jumping bead device is arranged in a central hole at the leading end of the telescopic rod, the jumping bead device having a support (411), a spring (413) and a jumping bead (414), wherein the support (411) is positioned in the central hole at the leading end of the telescopic rod; wherein the spring (413) is positioned in the support (411), and the jumping bead (414) has one end connected with the spring (413); wherein, when in use, the other end of the jumping bead (414) is exposed out of the telescopic rod; and
    wherein the fixed base has an inclined surface (23) for the exposed jumping bead (414) to slidably contact, and a positioning hole (24) for embedding the exposed jumping bead (414);
    characterized in that
    the fixed base is composed of a left part (21) and a right part (22) that are joined in alignment, said right part (22) comprises the inclined surface (23) and the positioning hole (24);
    the rotary shaft (3) is positioned in an inner cavity of the fixed base, rotatably fits with the inner cavity of the fixed base, and has a radial rabbet (31) which is provided with an axial opening (32) for exposing the jumping bead (414) of the jumping bead device; and
    the jumping bead device further comprises a push rod (412) which is positioned on the support (411) and slidably fits with the support (411), wherein, when not in use,
    the push rod (412) can be moved forward, to force the spring (413) of the jumping bead device at the leading end of the first section hollow rod (41) to be tightened, so that the jumping bead (414) of the jumping bead device at the leading end of the first section hollow rod (41) will be retracted and not exposed.
  2. The rotary draw bar of claim 1, characterised in that the fixed rod is a hollow rod.
  3. The rotary draw bar of claim 2, characterised in that the hollow rod has rectangular cross section.
  4. The rotary draw bar of claim 1, characterised in that the linkage connection between the leading end of the telescopic rod and the rotary shaft uses a rabbet joint, wherein the rotary shaft has a radial rabbet, which is provided with an axial opening for exposing the jumping bead, wherein a choke plug is positioned at the leading end of the telescopic rod, the leading end of the telescopic rod embedding into the radial rabbet, and wherein the axial opening faces the inclined surface and positioning hole on the fixed base.
  5. The rotary draw bar of claim 1, characterised in that the telescopic rod is composed of at least two sections of hollow rods in nested connection, each section of hollow rods having a leading end that is provided with a jumping bead device.
  6. The rotary draw bar of claim 5, characterised in that each section of the hollow rods of the telescopic rod has a rectangular cross section.
  7. The rotary draw bar of claim 1, characterised in that the fixed base is composed of a left part and a right part joined in alignment, wherein the right part has an inclined surface and a positioning hole thereon.
EP10829513.0A 2009-11-10 2010-11-08 Rotary draw bar Active EP2510825B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 200920181302 CN201550780U (en) 2009-11-10 2009-11-10 Rotation pull rod
PCT/CN2010/078507 WO2011057549A1 (en) 2009-11-10 2010-11-08 Rotary draw bar

Publications (4)

Publication Number Publication Date
EP2510825A1 EP2510825A1 (en) 2012-10-17
EP2510825A4 EP2510825A4 (en) 2013-09-11
EP2510825B1 true EP2510825B1 (en) 2014-07-16
EP2510825B8 EP2510825B8 (en) 2014-11-26

Family

ID=42610454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10829513.0A Active EP2510825B8 (en) 2009-11-10 2010-11-08 Rotary draw bar

Country Status (3)

Country Link
EP (1) EP2510825B8 (en)
CN (1) CN201550780U (en)
WO (1) WO2011057549A1 (en)

Families Citing this family (9)

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CN102697271A (en) * 2012-05-25 2012-10-03 贵州大学 Method and device for changing volume of luggage carrying tool
US9222364B2 (en) 2012-08-15 2015-12-29 United Technologies Corporation Platform cooling circuit for a gas turbine engine component
CN103315477B (en) * 2013-07-09 2015-09-30 平湖市南桥箱包有限公司 A kind of easily emplacement type draw-bar box
CN104433073B (en) * 2013-09-18 2017-01-04 王洁 A kind of suitcase
CN104705963A (en) * 2013-12-12 2015-06-17 邱超雄 Antitheft draw-bar box
US20160192614A1 (en) * 2015-01-02 2016-07-07 Gen 7, Inc. Roller carrier
CN106425914B (en) * 2016-12-05 2018-10-02 重庆市万盛区顺达粉末冶金有限公司 A kind of powder bearing commutation pickup mounting device
CN108741559A (en) * 2018-04-21 2018-11-06 张凡怡 A kind of variable-angle Travelling trunk pulling handle
CN111772311B (en) * 2020-07-31 2021-12-17 彭珍 Object lifting device for shopping and using method

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US5379486A (en) * 1993-08-18 1995-01-10 Wang; Chien-Shan Pull handle of a trunk
CN2259799Y (en) * 1996-06-20 1997-08-20 王金生 New structure of telescopic handle of suitcase
US5689854A (en) * 1996-07-01 1997-11-25 Wang; Jing Sheng Rotatable handle assembly for a suitcase
US5901822A (en) * 1997-11-05 1999-05-11 Tu; A-Shih Retractable travel bag pulling handle
US6079527A (en) * 1998-10-01 2000-06-27 Chaw-Khong Technology Co., Ltd. Retractable handle for wheeled luggage
CN2375161Y (en) * 1999-06-16 2000-04-26 广州皮件厂 Front-push luggage trunk
US6216317B1 (en) * 1999-12-27 2001-04-17 Tzn-Cha Chen Handle adjustable in locating angle thereof
CN2434934Y (en) * 2000-05-12 2001-06-20 乔工科技股份有限公司 Horizotal extension pull handle of hand-luggage
TW427128U (en) * 2000-07-17 2001-03-21 Chaw Khong Technology Co Ltd Structure of rotary draw bar for suitcase
US7188715B1 (en) * 2004-01-28 2007-03-13 Shou Mao Chen Pull handle provided with a grip handle with an adjustable angle
CN2686395Y (en) * 2004-03-25 2005-03-23 何长谋 Pull-rod trunk
US7380647B2 (en) * 2004-08-16 2008-06-03 Joseph Liang Luggage
DE102005027891A1 (en) * 2005-06-16 2007-01-04 Jochen Hackspacher Luggage, to carry belongings, has a cylindrical case with rollers around the circumference for maneuverability and moving on stairs

Also Published As

Publication number Publication date
EP2510825A1 (en) 2012-10-17
EP2510825A4 (en) 2013-09-11
CN201550780U (en) 2010-08-18
EP2510825B8 (en) 2014-11-26
WO2011057549A1 (en) 2011-05-19

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