EP3405070B1 - Klapptisch mit beinsperre in zwei positionen - Google Patents

Klapptisch mit beinsperre in zwei positionen Download PDF

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Publication number
EP3405070B1
EP3405070B1 EP16806977.1A EP16806977A EP3405070B1 EP 3405070 B1 EP3405070 B1 EP 3405070B1 EP 16806977 A EP16806977 A EP 16806977A EP 3405070 B1 EP3405070 B1 EP 3405070B1
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EP
European Patent Office
Prior art keywords
leg
legs
folding table
foldable
pivot axis
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
EP16806977.1A
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English (en)
French (fr)
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EP3405070A4 (de
EP3405070A1 (de
Inventor
Wen-Sheng Lin
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.)
Zhuhai Shichang Metals Ltd
Original Assignee
Zhuhai Shichang Metals Ltd
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Priority to PL16806977T priority Critical patent/PL3405070T3/pl
Publication of EP3405070A1 publication Critical patent/EP3405070A1/de
Publication of EP3405070A4 publication Critical patent/EP3405070A4/de
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Publication of EP3405070B1 publication Critical patent/EP3405070B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/02—Folding or stowable tables with foldable cross legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/02—Folding or stowable tables with foldable cross legs
    • A47B2003/025—Folding or stowable tables with foldable cross legs pivoting to a position underneath the tabletop

Definitions

  • Folding tables are commonly used where temporary entertainment or work surfaces are needed.
  • Conventional folding tables generally stand on multiple legs, and the legs rotate 90 degrees for storage.
  • Such conventional designs are suitable when the at least one dimension (e.g., length, width, or diameter) of table top is greater than the length of the legs.
  • each leg individually folds up along one side of the table top and does not extend beyond the 10 size of the table top surface.
  • the hallmarks of such conventional 90 degree leg rotation designs are simplicity and set-up speed.
  • High top folding tables such as folding cocktail tables
  • present unique design challenges because the folding legs are often longer than any dimension of the table top and, thus, require additional storage space.
  • stability becomes a concern, forcing designers to look beyond the simple 90 degree leg rotation designs common in conventional folding tables for alternatives that allow fast and easy set-up, compact storage, and stability. It is with these considerations in mind that the present invention was conceived.
  • US2005120922 is considered the closest prior art, in that it shows a folding table with a set of regular legs and a set of foldable legs that can be locked in a storage and in a use position.
  • a folding table with a two position leg lock is described herein and illustrated in the accompanying figures.
  • aspects of the folding table include an upper support member, such as a table top or frame, a pair of regular (i.e., non-foldable) legs, and a pair of foldable legs.
  • the regular legs and the foldable legs are configured to cooperatively support the table top in a substantially horizontal orientation in a use configuration.
  • the folding table includes a pair of notches defined by the lip of the table top. The notches allow the legs to lie substantially flush with the bottom of the lip and provide a generally flat profile while in the storage configuration.
  • the foldable legs include a base leg portion that is pivotally connected to one of the leg extensions by foldable leg connectors.
  • the base leg portions and the extensions pivot about the connectors moving from the use configuration where lower ends of the base leg portions point in the opposite direction from the upper ends of the leg extensions to a storage configuration where the lower ends of the base leg portions point in the same direction as the upper ends of the leg extensions.
  • a lock mechanism allows the foldable legs and the extensions to be selectively fixed in the use configuration or the storage configuration. Aspects of the two position lock mechanism include, by way of example, a lock pin main connector extending from one of the leg extensions. The lock pin is biased to normally extend beyond the outside edge of the leg extension toward the base leg member. An actuator or handle allows an operator to apply a force opposing the bias to retract the lock pin thereby disengaging the lock mechanism.
  • a use receptacle and a storage receptacle configured to operatively receive the lock pin are defined by the base leg segment.
  • the lock pin and the receptacles lie on the circumference of a circle with a radius, r, and centered on the foldable leg connector.
  • the lock pin and the use receptacle are aligned.
  • the storage receptacle are aligned.
  • a folding table with a two position leg lock is described herein and illustrated in the accompanying figures. Aspects of the folding table include a pair of regular, non foldable legs and a pair of foldable legs that move between a use configuration and a storage configuration.
  • the foldable legs incorporate a two position lock mechanism that selectively allows the legs to be locked in either the use configuration where the legs cooperatively support the table top or the storage configuration where the legs are positioned parallel to the table top.
  • the table top includes a notched lip that allows the legs to lie substantially flush against the bottom surface of the table top.
  • FIG. 1 is a perspective view of one embodiment of the folding table in a use configuration.
  • the folding table 100 includes a table top 102, a pair of regular (i.e., non-foldable) legs 104, and a pair of foldable legs 106.
  • Each foldable leg 106 includes a base leg segment 108 and a leg extension 110.
  • Each fixed (i.e., non-folding) leg 104, base leg segment 108, and leg extension 110 has an upper end 112 and a lower end 114.
  • the folding table described herein is suitable for use in variety of folding table implementations, including, without limitation, folding cocktail tables where the length of the legs exceeds the diameter or other relevant dimension the table top 102.
  • the folding table 100 is shown in the use configuration.
  • the regular legs 104 and the foldable legs 106 are configured to cooperatively support the table top 102 in a substantially horizontal orientation when in the use configuration.
  • the upper ends 112 of the regular legs 104 and the leg extensions 110 are connected to the table top 102, either directly or indirectly.
  • the lower ends 114 of the regular legs 104 and base leg segments 108 generally engage the ground or other supporting surface when the folding table 100 is in the use configuration.
  • Each of the regular legs 104 is operatively connected to one of base leg segments 108 of the foldable legs 106 by main connectors 116 aligned on a first common pivot axis.
  • the main connectors 116 are generally located centrally along the regular legs 104. The exact placement of the main connectors 116 varies depending upon the height of the folding table 100 and the spacing between the upper ends 112 of the regular legs 104 and the foldable legs 106.
  • the regular legs 104 and foldable legs 106 operate as double levers with the main connectors 116 operating as the fulcrums about which the interconnected legs pivot in a scissor-like manner.
  • Each base leg segment 108 of the foldable legs 106 is operatively connected to one of the leg extensions 110 by foldable leg connectors 118 generally aligned on a second common pivot axis.
  • the foldable leg connectors 118 are generally located proximate to the upper ends 112 of the base leg segments 108 and proximate to the lower ends 114 of the leg extensions 110. In other words, the foldable leg connectors 118 are to vary the overall length of the foldable legs 106 depending upon the relative orientation of the leg extensions 110 to the base leg segments 108.
  • the foldable legs 106 When in the use configuration, the foldable legs 106 are fully extended (i.e., the lower ends 114 of the base leg segments 108 and the leg extensions 110 are oriented in the same direction), and the combined length of the base leg segment 108 from the lower end 114 to the foldable leg connector 118 and the leg extension 110 from the upper end 112 to the connector is substantially equal to the length of the fixed leg 104.
  • the base leg segments 108 and the extensions 110 pivot about the connectors 118 moving from the use configuration where lower ends 114 of the base leg segments 108 point in the opposite direction from the upper ends 112 of the leg extensions 110 to a storage configuration where the lower ends 114 of the base leg segments 108 point in the same direction as the upper ends 112 of the leg extensions 110.
  • a lock mechanism 122 allows the foldable legs 106 and the extensions 110 to be selectively fixed in the use configuration or the storage configuration.
  • each of the fixed legs 104, the base leg segments 108, and the leg extensions 110 on one side of the folding table 100 move independently from those on the other side of the folding table 100.
  • one or more optional cross members 120 connect the regular legs 104, base leg segments 108, and leg extensions 110.
  • the cross members 120 provide structural stability by fixing the positions of the individual regular legs 104, base leg segments 108, and leg extensions 110 relative to each other.
  • the cross members 120 maintain the distance between the individual regular legs 104, base leg segments 108, and leg extensions 110 to facilitate folding and unfolding the table 100 by moving the paired regular legs 104, base leg segments 108, and leg extensions 110 together, which reduces binding on the connectors 116, 118.
  • the cross members 120 may also offer ancillary functionality. For example, depending upon position, the cross members 120 may serve as handles for repositioning the legs or carrying the table 100 or footrests. In the illustrated embodiment, two techniques for implementing the cross members 120 are shown.
  • the cross member 120 connecting the leg extensions 110 is illustrated as forming a continuous structure with a U-shape, while the cross members 120 connecting the regular legs 104 and the base leg segments 108, respectively, are separate pieces.
  • the number and positions of the cross members can be varied for reasons such as, but not limited to, aesthetics, structural integrity, and ancillary functionality.
  • the folding table 100 includes a pair of notches 124 defined by the lip 126 of the table top 102.
  • the notches 124 allow the legs 104, 106 to lie substantially flush with the bottom of the lip 126 and provide a generally flat profile while in the storage configuration.
  • the lip 126 optionally extends below the attachment points where the legs connect to the table top and provides support to keep the legs and attachment points elevated to reduce the risk of damage (e.g., bending) when the bottom of the folding table rests on a supporting surface.
  • the lip 126 is optionally sized to substantially match or exceed the thickness of the legs 104, 106 to provide a level base when the folding table 100 is in the storage configuration, which facilitates stacking of the folding tables.
  • FIG. 2 is a bottom plan view of one embodiment of the folding table 100 in a storage configuration.
  • the underside of the table top 102 includes attachment points 202 where the upper ends 112 of the regular legs 104 and the leg extensions 110 are pivotally secured to the table top 102.
  • Various types of attachment points may be used. In the illustrated embodiment, two different types of attachment points 202 are implemented.
  • the attachment points 202 used with the regular legs 104 are brackets 202a that hold a pivot arm (e.g., a cylindrical tube) 204 that connects the upper ends 112 of the regular legs 104 and defines the pivot axis.
  • the brackets 202a provide support and allow the pivot arm 204 to rotate.
  • the attachment points 202 used with the leg extensions 110 are tabs 202b with each tab 202b supporting a pivot pin that connects to the upper end of one of the leg extensions 110.
  • the attachment points 202 are located on a frame 206 that is attached to and supports the table top 102. In other embodiments, the attachment points 202 are connected directed to the table top 102.
  • the table top 102 is optional.
  • the term upper support member broadly encompasses a table top, a frame, or combination thereof.
  • the regular legs 104 and the foldable legs 106 lie in the same plane. However, the points of origin (i.e., the attachment points 202) for the regular legs 104 and the foldable legs 106 are offset. Because the regular legs 104 and the foldable legs 106 are connected at a fixed location (i.e., main connectors 116), it becomes necessary to compensate for the offset between the points of origin in order place the regular legs 104 and the foldable legs 106 into the storage configuration.
  • the effective length of the foldable legs 106 is reduced to compensate for the offset.
  • the legs members 108 have different lengths.
  • the additional length of the longer base leg segment 108 is used to implement the lock mechanism 122.
  • An example of a suitable lock mechanism 122 is a lock pin main connector extending from one of the leg extensions 110.
  • the lock pin 208 is biased to normally extend beyond the outside edge of the leg extension 110 toward the base leg segment 108.
  • a captured spring may bias the lock pin 208 toward the extended position.
  • An actuator or handle 210 such as the depicted ring, allows an operator to apply a force opposing the bias to retract the lock pin thereby disengaging the lock mechanism 122.
  • the lock pin 208 is captured by the leg extension 110 to minimize the risk of loss.
  • a permanently mounted locking mechanism 122 is not a requirement and a free lock pin may be used. If desired, the free lock pin may be attached by a cable to minimize the risk of loss.
  • Other lock mechanisms such as, detents and other mechanisms for preventing relative movement of two connected members may be used.
  • the illustrated embodiment shows the regular legs 104 positioned on the outside of the foldable legs 106 and the leg extensions 110 positioned to the inside of the base leg segments 108.
  • Aspects of the folding table 100 are described herein using the depicted leg arrangement to provide a frame of reference. However, the folding table 100 may be suitably implemented using other leg arrangements and, as such, any directional references, such as inward or outward, inside or outside, and the like should not be read as limiting the folding table 100 to the depicted implementation.
  • Figures 3A-C are simplified sectional side elevation views, taken along line 3-3 of Figure 2 , showing the folding table in various positions and aspects of the lock mechanism 122.
  • the arrow B on the base leg segment 108 and arrow E the leg extension 110 point to the upper ends 112 and provide an visual indication of the relative orientations of the segments of the foldable leg 106 in the use configuration ( FIG. 3A ), an exemplary intermediate position between the use configuration and the storage configuration ( FIG. 3B ), and the storage configuration ( FIG. 3C ).
  • the lock mechanism 122 includes a lock pin 208 extending from one of the leg extensions 110.
  • the lock pin 208 is offset from the foldable leg connector 118 by a selected distance in the direction of the lower end 114 of the leg extension 110.
  • the use receptacle 304 is offset from the foldable leg connector 118 by a selected distance in the direction of the lower end 114 of the leg extension 110.
  • the storage receptacle 306 is offset from the foldable leg connector 118 by substantially the same distance in the direction of the upper end 112 of the leg extension 110.
  • the lock pin 208 and the receptacles 304, 306 lie on the circumference of a circle with a radius, r, and centered on the foldable leg connector 118.
  • the lock pin 208 and the use receptacle 304 are aligned, and, when in the use configuration, the lock pin 208 and the storage receptacle 306 are aligned. It will be appreciated that some variation of the distances is permissible within the alignment tolerances of the lock pin 208 and the receptacles 304, 306.
  • the receptacles 304, 306 are configured to receive the lock pin 208 in operative engagement.
  • the lock pin 208 is aligned with and inserted into one of the receptacles 304, 306, the position of the connected base leg segment 108 becomes locked relative to the leg extension 110. Locking the foldable leg 106 prevents the regular legs 104 and foldable legs 106 from moving.
  • the lock pin 208 is operatively engaged with the use receptacle thereby securing the folding table 100 in the use configuration.
  • the base leg segment 108 and the leg extension 110 are parallel and oriented in the same direction to provide the maximum length for the foldable leg 106, which is the same length as the fixed leg 104.
  • the lock pin 208 is extended but not engaged and may need to be retracted to allow the foldable leg to be placed into the use or storage configuration, as desired.
  • the lock pin 208 is operatively engaged with the storage receptacle 306 thereby securing the folding table 100 in the storage configuration.
  • the legs are oriented to 104, 106 point away from the fixed leg attachment point 302a.
  • the base leg segment 108 and the leg extension 110 are parallel but oriented in opposite directions to provide the minimum length for the foldable leg 106.
  • the minimum length of the foldable leg 106 combined with the distance between the fixed leg attachment point 302a and the foldable leg attachment 30 point 302b is the same as the length of the fixed leg 104.
  • the fixed leg 104 is behind the foldable leg 106 and is not visible.
  • Figure 4 is a rear elevation view of the folding table.
  • the illustrated embodiment includes a set of tab stops 402 attached to the rear of the base leg segments 108.
  • the tab stops 402 extend inward toward the leg extensions 110.
  • the tab stops 402 contact the rear surface of the leg extensions 110 and prevent further movement. This protects the foldable leg 106 from rotating beyond the position of the use configuration during deployment.
  • any particular embodiment or implementation of the folding table 100 may selectively include or omit independent and optional features, such as and without limitation, the table top 102, the cross members 120, the notches 124, the lip 126, the frame 206, and the tab stops 402.

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  • Tables And Desks Characterized By Structural Shape (AREA)

Claims (9)

  1. Klapptisch mit einer Aufbewahrungskonfiguration und einer Verwendungskonfiguration, wobei der Klapptisch umfasst:
    ein oberes Stützelement, das so konfiguriert ist, dass es in der Verwendungskonfiguration im Wesentlichen horizontal ist;
    einen Satz regulärer Beine (104), wobei jedes feste Bein ein oberes Ende und ein unteres Ende aufweist, wobei das obere Ende jedes festen Beins schwenkbar mit dem oberen Stützelement verbunden ist;
    einen Satz klappbarer Beine (106), wobei jedes klappbare Bein (106) ein Basisbeinsegment (108) und eine Beinverlängerung (110) aufweist, wobei jedes Basisbeinsegment (108) und jede Beinverlängerung (110) ein oberes Ende und ein unteres Ende aufweist, wobei das obere Ende jeder Beinverlängerung (110) schwenkbar mit dem oberen Stützelement verbunden ist, das obere Ende jedes Basisbeinsegment (108) schwenkbar mit der Beinverlängerung an einer ersten Schwenkachse verbunden ist, jedes Basisbeinsegment (108) schwenkbar mit einem der regulären Beine an einer zweiten Schwenkachse verbunden ist;
    einen Satz Verriegelungsaufnahmen (304, 306), der durch den Satz von klappbaren Beinen (106) definiert ist, wobei der Satz Verriegelungsaufnahmen (304, 306) eine Verriegelungsaufnahme (304) umfasst, die auf einer Seite der ersten Schwenkachse positioniert ist, und eine Aufbewahrungsaufnahme (306), die auf der gegenüberliegenden Seite der ersten Schwenkachse positioniert ist, wobei die Verwendungsaufnahme (304) und die Aufbewahrungsaufnahme (306) um einen ausgewählten Abstand von der ersten Schwenkachse versetzt sind; und
    einen Verriegelungsstift (208) zum selektiven Eingreifen in einer der Verwendungsaufnahne (304) und der Aufbewahrungsaufnahme (306), um die Beinverlängerung selektiv mit dem ersten Basissegment (108) in der Verwendungskonfiguration und der Aufbewahrungskonfiguration zu verriegeln und eine Bewegung der klappbaren Beine (106) relativ zu den regulären Beinen (104) zu verhindern,
    dadurch gekennzeichnet, dass das erste Basisbeinsegment (108) länger ist als das andere Basisbeinsegment (108).
  2. Klapptisch nach Anspruch 1, wobei sich die zweite Schwenkachse in einem mittleren Bereich der regulären Beine befindet, wodurch sich die regulären Beine (104) und die klappbaren Beine (106) scherenartig bewegen können.
  3. Klapptisch nach Anspruch 1, wobei das obere Stützelement eine Tischplatte oder ein Rahmen ist, der konfiguriert ist, um eine Tischplatte zu stützen.
  4. Klapptisch nach Anspruch 3, wobei die regulären Beine (104) länger als die breiteste Abmessung der Tischplatte sind.
  5. Klapptisch nach Anspruch 3, wobei die Tischplatte eine Umfangslippe umfasst, die von der Tischplatte vorsteht; die Lippe mindestens eine Kerbe definiert, die die regulären Beine (104) und die klappbaren Beine (106) in der Aufbewahrungskonfiguration aufnimmt.
  6. Klapptisch nach Anspruch 1, wobei:
    der Satz Verriegelungsaufnahmen (304, 306) durch ein erstes der Basisbeinsegmente (108) definiert ist, wobei die Verwendungsaufnahme (304) zwischen der ersten Schwenkachse und der zweiten Schwenkachse positioniert ist, die Aufbewahrungsaufnahme (306) zwischen der ersten Schwenkachse und dem oberen Ende der ersten Basisbeinsegmente (108) positioniert ist; und der Verriegelungsstift (208) von der Beinverlängerung getragen wird, die mit dem ersten Basisbeinsegment verbunden ist.
  7. Klapptisch nach Anspruch 1, wobei:
    der Satz Verriegelungsaufnahmen (304, 306) durch eine erste der Beinverlängerungen definiert ist, wobei die Verriegelungsaufnahme (304) zwischen der ersten Schwenkachse und dem unteren Ende der Beinverlängerung positioniert ist und die Aufbewahrungsaufnahme (306) zwischen der ersten Schwenkachse und dem oberen Ende der ersten Beinverlängerung positioniert ist; und der Verriegelungsstift (208) von einem ersten der Basisbeinsegmente (108) getragen wird, die mit der ersten Beinverlängerung verbunden sind.
  8. Klapptisch nach Anspruch 1, wobei der Verriegelungsstift (208) normalerweise so vorgespannt ist, dass er sich in Richtung des Basisbeinabschnitts (108) oder der Beinverlängerung (110) erstreckt, die den Satz von Verriegelungsaufnahmen definiert.
  9. Klapptisch nach Anspruch 1, wobei der Verriegelungsstift (208) selektiv einziehbar ist, um den Verriegelungsstift (208) von der Verwendungsaufnahme (304) oder der Aufbewahrungsaufnahme (306) zu lösen, wodurch die Basisbeinsegmente (108) und die Beinverlängerungen (110) relativ zueinander schwenken können und die regulären Beine (104) und die klappaberen Beine (106) relativ zueinander schwenken können.
EP16806977.1A 2015-06-08 2016-06-07 Klapptisch mit beinsperre in zwei positionen Active EP3405070B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16806977T PL3405070T3 (pl) 2015-06-08 2016-06-07 Składany stół z podwójnym pozycjonowaniem blokady nogi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/733,229 US20160353875A1 (en) 2015-06-08 2015-06-08 Folding Table with Two-Position Leg Lock
PCT/IB2016/053328 WO2016199014A1 (en) 2015-06-08 2016-06-07 Folding table with two-position leg lock

Publications (3)

Publication Number Publication Date
EP3405070A1 EP3405070A1 (de) 2018-11-28
EP3405070A4 EP3405070A4 (de) 2019-04-03
EP3405070B1 true EP3405070B1 (de) 2020-11-18

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Application Number Title Priority Date Filing Date
EP16806977.1A Active EP3405070B1 (de) 2015-06-08 2016-06-07 Klapptisch mit beinsperre in zwei positionen

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US (1) US20160353875A1 (de)
EP (1) EP3405070B1 (de)
ES (1) ES2855898T3 (de)
PL (1) PL3405070T3 (de)
WO (1) WO2016199014A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104433402B (zh) * 2014-11-28 2017-08-15 叶佳 一种折叠坐具
USD1014158S1 (en) 2020-07-22 2024-02-13 Maria Noyola Tray table
USD1010361S1 (en) * 2020-08-17 2024-01-09 New-Tec Integration (Xiamen) Co., Ltd. Desk

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US964392A (en) * 1910-03-12 1910-07-12 Baronin Stephanie Cerrini Portable folding table.
GB273611A (en) * 1927-02-26 1927-07-07 John Sharp An improved folding table or stand
CN2076788U (zh) * 1990-06-29 1991-05-15 勤筑企业股份有限公司 可折叠式桌子
GB2318728A (en) * 1996-11-02 1998-05-06 Civic Marketing Sdn Bhd Foldable table
KR200184739Y1 (ko) * 2000-01-13 2000-06-01 주식회사우진프라스코 테이블 거치용 절첩 다리
US7059254B2 (en) * 2002-10-25 2006-06-13 Lifetime Products, Inc. Personal table
DE20213647U1 (de) * 2002-08-30 2002-12-05 Arcus Deutschland Gmbh Klapptisch mit Hilfsrahmenkonstruktion
US20050120922A1 (en) * 2003-12-05 2005-06-09 Brooks Nolan T. Folding work table
US20070221104A1 (en) * 2006-03-21 2007-09-27 Chuen-Jong Tseng Foldable table
CN201938713U (zh) * 2010-12-11 2011-08-24 王凌峰 一种折叠桌

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None *

Also Published As

Publication number Publication date
US20160353875A1 (en) 2016-12-08
EP3405070A4 (de) 2019-04-03
EP3405070A1 (de) 2018-11-28
PL3405070T3 (pl) 2021-06-14
ES2855898T3 (es) 2021-09-24
WO2016199014A1 (en) 2016-12-15

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