US3508734A - Foldable support structure - Google Patents

Foldable support structure Download PDF

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Publication number
US3508734A
US3508734A US731437A US3508734DA US3508734A US 3508734 A US3508734 A US 3508734A US 731437 A US731437 A US 731437A US 3508734D A US3508734D A US 3508734DA US 3508734 A US3508734 A US 3508734A
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US
United States
Prior art keywords
spacer
panel
wing
wing sections
flap
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 - Lifetime
Application number
US731437A
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English (en)
Inventor
Hans C Thomas An Der Eiche
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.)
HANS C THOMAS AN DER EICHE
Original Assignee
HANS C THOMAS AN DER EICHE
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
Priority claimed from DET22005U external-priority patent/DE1958008U/de
Application filed by HANS C THOMAS AN DER EICHE filed Critical HANS C THOMAS AN DER EICHE
Application granted granted Critical
Publication of US3508734A publication Critical patent/US3508734A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • A47F5/11—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like
    • A47F5/112—Adjustable or foldable or dismountable display stands made of cardboard, paper or the like hand-folded from sheet material
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F1/00—Cardboard or like show-cards of foldable or flexible material
    • G09F1/04—Folded cards
    • G09F1/06—Folded cards to be erected in three dimensions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F1/00—Cardboard or like show-cards of foldable or flexible material
    • G09F1/10—Supports or holders for show-cards
    • G09F1/14—Supports or holders for show-cards in the form of legs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0056—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels portable display standards
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0068—Modular articulated structures, e.g. stands, and articulation means therefor

Definitions

  • a flat sheet of material is formed with parallel longitudinal score lines to provide a front panel and integral wing sections; the wing sections are notched at their corners, and when folded to be essentially parallel, and perpendicular to the front section, are maintained in position by a rubber band hooked into the notches, and resiliently pulling the wings against a spacer or spreader member.
  • the structure can be erected by putting the rubber bands in the notches and letting the wings snap together against the spacer member.
  • the spacer member may be a flap cut from the front panel, connected thereto by a score line and extending between the wing sections.
  • the present invention relates to a foldable support structure, and more particularly to a support structure which can be made of cardboard or other suitable materials such as plastic sheets, especially useful as a support for advertising material, announcement signs, carriers for samples or goods and the like.
  • Panel-type structures as signs or the like, have previously been assembled by means of joining, or screwing together a plurality of smaller single panels. This enables comparatively inexpensive storage and shipment of even large panel material. Presenting Such panels for visual inspection, caused difii culties if they could not be supported against a wall. Additionally, assembly and erection of such panels was often complicated and required skilled handling and labor.
  • Cardboard displays and foldable visual aid material having their own support structures have been proposed.
  • the rear surface of a sign panel may be formed with a swingable support wing, held in position by a locking tab or flap.
  • Such structures are entirely suitable for small size.
  • the size exceeds, however, a format of more than about 15 inches, the stiffnes of the support material becomes insufficient and erection of displays becomes more complicated and time-consuming.
  • the support wings are often weakened by punching-out the locking tabs therefrom. This requires additional stiffening members, or oversize support sections, further increasing the difiiculties of erection and requiring larger floor space in use to provide suflicient stability when erected. Provision of such reinforcements, or separate elements and support sections increases the cost of manufacture of such display panels.
  • a fiat sheet forming a panel, has at least one, and preferably two score lines parallel to a major edge inscribed thereon, from which one, or a pair of wing sections can be folded essentially transversely with respect to the front panel, to provide a channel-like, free-standing, self-supporting unit.
  • the wing sections are held in position with respect to the front panel by a spacer member which, preferably, is a flap punched from the front panel along the score line and at least one transverse line, and connected to the front panel by an additional transverse score line.
  • the wing section is held against the spacer by a rubber band, hooked into a notch in the wing section and spanning, in the region of the spacer, and at the back of the front panel, across the width of the front panel of the entire structure, to resiliently hold the wings in frictional engagement with the ends of the spacer member.
  • FIG. 1 is a front view of the support srtucture, before folding
  • FIG. 2 is a rear-perspective view of the folded, erected support structure
  • FIGS. 3, 4, 6, 7a, 8 and 9 are rear-perspective views of various modifications of the structure in accordance with the present invention.
  • FIG. 5 is an illustration, in perspective, of the structure of FIG. 4, when folded.
  • FIG. 7b is a schematic plan view of the modification of FIG. 7a, the broken lines indicating the erection of folding of the front frame.
  • a panel, on which a sign or display may be mounted, is subdivided by a pair of longitudinal parallel score marks into a central section 10 and a pair of wing sections 12, 14.
  • the wing sections 12, 14, which form stiffening and support elements, can be folded along the score marks.
  • Notches 16, 16' are formed at opposite edges of the wing. sections.
  • a flap 18 is punched out of the central panel 10 along a line transverse to the parallel score marks, along the score marks, and a score 20 transversely interconnects the longitudinal score marks, so that the flap 18 can be folded out of the plane of the panel, that is in FIG. 1, out of the plane of the sheet of the drawing.
  • resilient connection formed by a rubber ring 17
  • a rubber ring 17 is looped around the portions remaining after the notches 16, 16 have been punched.
  • One half of the loop of the rubber band 17 is passed in front of the flap 18, the other half remaining on the rear, as best seen in FIG. 1.
  • rubber ring 17 Upon release of the panel from its fiat position, rubber ring 17 will pull wing sections 12 and 14 along their score marks together and, at the same time, snap the flap 18 upwardly, so that the entire structure will appear as seen in FIG. 2.
  • Bearing surfaces 22, 22' will bear against the end portions of the spacer or stiffening flap 18, the rubber band 17 resiliently holding the entire assembly in position.
  • the tension of the rubber ring 17 acts, immediately upon release, so that the wing sections 12, 14 will snap against spacer 18.
  • the entire support structure is then ready for use, and provides a stiff and strong element to support signs, displays and the like.
  • FIG. 3 A modified form of the structure is seen in FIG. 3.
  • a single wing section 24 is connected with the front section, again, by a single score line.
  • the spacer element is now a triangular section 28, again punched from the front panel (although it may be punched from the side panel) and connected to the front panel by a score line.
  • the spacer 28 is formed with a notch 26.
  • a pair of notches 3 define a small tongue 30 in the wing section 24. Rubber ring 17 is hooked over the tongue 30, looped around the spacer 28 and hooked into notch 26.
  • FIGS. 1, 2 and 3 may be shipped flat or folded along the longitudinal score lines. As soon as the rubber band 17 is hooked into the notches formed in the wing (or wings, FIGS. 1 and 2) the structure will snap into erected position.
  • FIG. 4 illustrates a support element of substantial height. In order to enable ready transportation of this element, it can be folded along horizontal score marks 32, 32', 32", as best seen in FIG. 5. Horizontal spacer flaps 18 are arranged between the score lines 32, 32', 32". For additional stiffness, a similar flap can be arranged at the bottom. Each one of the spacer flaps 18 is held in position by a rubber band 17.
  • the entire assembly presents substantial stiffness, in spite of the transverse score lines 32, .32, 32" due to the channel-type construction after erection.
  • the ends of the wing sections may have support extensions 58, S8 glued thereto.
  • the support extensions, for transport, will fold flat as seen in FIG. 5. Upon erection, the support extensions snap into position together with the wing sections of the structure.
  • FIG. 6 illustrates a support structure similar to the embodiment of FIG. 4 having signs arranged on the front panel unitary therewith.
  • the front panel is subdivided into elements 34, 34', 34", separated by gaps 36, 36" to provide for folding, analogous to the embodiment illustrated in FIG. 5.
  • FIG. 7a A support structure with a single sign secured thereto is illustrated in FIG. 7a.
  • a frame 42 having lateral vertical score lines is secured to the wing sections to provide for additional stiffness. The location of the vertical score lines will be clearly apparent from the top view seen in FIG. 7b, which are arranged to provide for flat folding of the entire assembly.
  • a top plate 40 illustrated in dashed lines to enable illustration of the frame 42 in FIG. 7a, may be secured to the front panel of the support structure to provide for a covering of the frame and as a base for further displays. The panel 40 may, again, be secured to the front panel of the entire structure and connected thereto by a score line.
  • FIGS. 7a, 7b Erection of the structure of FIGS. 7a, 7b, is similar to that of the others.
  • the frame 42 Upon placement of the rubber band in the tongues defined by the notches, the frame 42 will snap into the full line position (FIG. 71)) When the wing sections assume their channel-like position with respect to the front panel upon opening of the spacer flap.
  • the spacer flap need not be integral with the front panel, or cut therefrom.
  • a flat, tubular element 44 (FIG. 8) and enclosing rubber band 17 may be used.
  • the rubber band is, in this embodiment of the invention, carried through holes 46', 46" in the wing sections.
  • the wing sections have been held in position by a resilient, endless rubber loop or band.
  • the wing sections may also, resiliently, be held together by a non-resilient cord 48, or the like.
  • Cord 48 is carried through holes 50", 50" in the wing sections, passes along the bottom of the spacer flap, and, after looping around, may be carried upwardly through a hole 52 in the spacer flap.
  • the cord may be secured in position by tying it around notches 54 in the spacer flap.
  • the front panel itself may, of course, provide the display, or the announcement sign to be used, or can be secured thereto permanently or semi-permanently as seen for example in connection with FIG. 8 which presents an uninterrupted front panel, having a separate spacer member.
  • Self-supporting foldable support structure adapted to be vertically free-standing having a flat sheet of material forming a flat panel surface and having a substantially rectangular outline, the longer dimension of which is adapted to be, when erected, extending in a vertical direction, said panel having at least one vertical score line dividing said panel into a front section (10, 26) and at least one wing section (12, 14, 24),
  • said panel has at least one horizontal score line (32, 32', 32") parallel to the shorter dimension of the panel to permit said panel to be folded together;
  • a spacer flap (18, 28) cut into the front section of said panel and connected to said panel along a subatantially horizontal score line and extendable into a plane intersecting said front and said wing sections, said spacer flap having an end portion bearing against said wing section and maintaining said wing section angled away from said front section in a predetermined relationship,
  • said spacer flap being foldably secured to the channel side of the front section and having a pair of end portions adapted to bear against the inside of the wing sections and maintaining the relationship of said sections with respect to each other; and said wing sections being formed with notches in the region of engagement of said spacer flap thereto;
  • said resilient means is a rubber band hooked into said notches interconnecting said sections in the region of said spacer means and behind the front section.
  • Foldable, erectable, self-supporting structure comprising a flat sheet of material forming a panel having a longer, vertical and a shorter, horizontal dimension;
  • a pair of vertical score lines formed on said panel to divide said panel into a front section and a pair of wing sections;
  • spacer flaps cut into said front panel and hinged thereto, said spacer flaps extending horizontal ly and, upon erection of said structure, adapted to be folded to extend into a plane intersecting with the plane of the front panel, said spacer flap bearing with its end portions against said wing sections;
  • tension means hooked into said notches and interconnecting said wing portions whereby upon folding together, said panel may fold flat along the horizontal score lines and, upon erection, said wing sections will be pulled toward each other by said tension means and maintained in predetermined angular relation with respect to the front section by said spacer means and snap into a channel-shaped free-standing selfsupporting structure.
  • a plurality of spacer flaps are cut into the front panel and located between said horizontal score lines, and notches are formed at the wing sections opposite all said spacer flaps;
  • said tension means are resilient means interconnecting opposite wing sections and hooked into said notches, said horizontal score lines permitting accordion-like folding of the structure when collapsed, while not interfering with the vertical stiffness of the structure when erected due to the angular relationship of the Wing sections with respect to the front section after erection.
  • tension means comprises a pull cord looped around said spacer means and said notches for resiliently pulling said wing sections together.
  • Structure according to claim 4 including a frame structure secured to said wing sections and extending transversely therefrom when in erected position, said frame being formed as a unitary strip of material provided with score lines transverse to the longitudinal extent of said strip to permit folding of said strip flap against said front section.
  • Structure according to claim 9 including a spacer flap located in the region of said frame, and a resilient tension means interconnecting said wing sections in the region of said spacer flap, whereby the spacer flap will extend in a frame-like shape and be held in position by the tension means located in the region of said flap, the wing sections forming fulcrum points for said frame-like strip.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Display Racks (AREA)
US731437A 1967-01-26 1968-05-23 Foldable support structure Expired - Lifetime US3508734A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DET22005U DE1958008U (de) 1967-01-26 1967-01-26 Stuetzelement fuer schautafeln.
DET22962U DE1971874U (de) 1967-01-26 1967-08-19 Stuetzelement.

Publications (1)

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US3508734A true US3508734A (en) 1970-04-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
US731437A Expired - Lifetime US3508734A (en) 1967-01-26 1968-05-23 Foldable support structure

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US (1) US3508734A (US07968547-20110628-C00004.png)
BE (1) BE707804A (US07968547-20110628-C00004.png)
DE (1) DE1971874U (US07968547-20110628-C00004.png)
FR (1) FR1547877A (US07968547-20110628-C00004.png)
NL (1) NL6717277A (US07968547-20110628-C00004.png)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727874A (en) * 1971-09-17 1973-04-17 Electronic Assistance Corp Folding panel construction
US3738604A (en) * 1972-04-24 1973-06-12 Container Corp Foldable support structure
US3759477A (en) * 1970-08-03 1973-09-18 Graphic Trend Ass Ltd Display stands
US3987737A (en) * 1973-03-15 1976-10-26 Irving Smith Collapsible display stand
US4151803A (en) * 1978-05-05 1979-05-01 Merchandising Display Corporation Knock down corrugated board floor display
EP0340680A2 (de) * 1988-05-02 1989-11-08 Paul Mühl Aufsteller
FR2650907A1 (fr) * 1989-08-09 1991-02-15 Saint Clair Cartonnage Structure repliable a plat, en un materiau semi-rigide, pour la presentation d'informations
US5000329A (en) * 1990-03-30 1991-03-19 Henschel-Steinau, Inc. Display stand
US5238584A (en) * 1992-01-28 1993-08-24 J. R. Schneider Co., Inc. Apparatus for removing filtrate from filter media
US5273169A (en) * 1991-08-14 1993-12-28 Maglione Stephan T Corrugated display stand
US5803205A (en) * 1996-11-08 1998-09-08 Kochem; Robert C. Folding sawhorse
US6378710B1 (en) * 1999-06-14 2002-04-30 Menasha Corporation Adjustable shelf unit
US20020171023A1 (en) * 2001-05-18 2002-11-21 L'hotel Francois Information display unit support having at least one presentation face
WO2003107306A1 (en) * 2002-06-17 2003-12-24 Geoffrey Alan Moss Foldable display device and easel
WO2005096251A2 (en) * 2004-04-03 2005-10-13 Maconele Licensing Limited Display apparatus
US7134230B1 (en) 2004-03-05 2006-11-14 Innomark Communications Stand-up display
US20070033842A1 (en) * 2005-08-12 2007-02-15 Mark Abramson Folding tower display
GB2430534A (en) * 2005-09-21 2007-03-28 Marc Cox Self-erecting display
US20070235396A1 (en) * 2006-04-10 2007-10-11 Moss Geoffrey A Tilt back merchandise display stand
US20110115346A1 (en) * 2009-11-13 2011-05-19 Pavel Bielecki Organizer/storage system that mounts on top of a computer workstation
US20120261367A1 (en) * 2009-12-25 2012-10-18 Mustafa Kabakci Foldable product display stand
WO2014041998A1 (ja) * 2012-09-11 2014-03-20 大日本印刷株式会社 自立式表示装置、自立式表示装置の板材
US20170065105A1 (en) * 2015-09-03 2017-03-09 Willie Kelly Picture Frame Easel Back Replacement
US11451754B2 (en) * 2018-07-31 2022-09-20 R. R. Donnelley & Sons Company Display and method of constructing same
US20230276971A1 (en) * 2022-03-03 2023-09-07 Christopher Sean Lamothe Foldable portable device holder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2571949A1 (fr) * 1985-10-22 1986-04-25 Leprince Claude Presentoir pliant a deploiement automatique
FR2700407A1 (fr) * 1993-01-14 1994-07-13 Sca Promotion France Panneau pour support d'informations.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1308949A (en) * 1919-07-08 And robert d
US2474659A (en) * 1947-01-04 1949-06-28 Einson Freeman Co Inc Foldable display device and easel
US2788596A (en) * 1953-12-14 1957-04-16 Schwartz Eugene Advertising device
US3017148A (en) * 1960-02-25 1962-01-16 Wathen Ernest Leslie Display device
US3097444A (en) * 1963-07-16 Steiner
US3237901A (en) * 1964-02-13 1966-03-01 Reynolds Guyer Agency Of Desig Displays
FR1462218A (fr) * 1965-06-29 1966-04-15 Présentoir

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1308949A (en) * 1919-07-08 And robert d
US3097444A (en) * 1963-07-16 Steiner
US2474659A (en) * 1947-01-04 1949-06-28 Einson Freeman Co Inc Foldable display device and easel
US2788596A (en) * 1953-12-14 1957-04-16 Schwartz Eugene Advertising device
US3017148A (en) * 1960-02-25 1962-01-16 Wathen Ernest Leslie Display device
US3237901A (en) * 1964-02-13 1966-03-01 Reynolds Guyer Agency Of Desig Displays
FR1462218A (fr) * 1965-06-29 1966-04-15 Présentoir

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759477A (en) * 1970-08-03 1973-09-18 Graphic Trend Ass Ltd Display stands
US3727874A (en) * 1971-09-17 1973-04-17 Electronic Assistance Corp Folding panel construction
US3738604A (en) * 1972-04-24 1973-06-12 Container Corp Foldable support structure
US3987737A (en) * 1973-03-15 1976-10-26 Irving Smith Collapsible display stand
US4151803A (en) * 1978-05-05 1979-05-01 Merchandising Display Corporation Knock down corrugated board floor display
EP0340680A2 (de) * 1988-05-02 1989-11-08 Paul Mühl Aufsteller
EP0340680A3 (de) * 1988-05-02 1990-07-04 Paul Mühl Aufsteller
FR2650907A1 (fr) * 1989-08-09 1991-02-15 Saint Clair Cartonnage Structure repliable a plat, en un materiau semi-rigide, pour la presentation d'informations
US5000329A (en) * 1990-03-30 1991-03-19 Henschel-Steinau, Inc. Display stand
US5273169A (en) * 1991-08-14 1993-12-28 Maglione Stephan T Corrugated display stand
US5238584A (en) * 1992-01-28 1993-08-24 J. R. Schneider Co., Inc. Apparatus for removing filtrate from filter media
US5803205A (en) * 1996-11-08 1998-09-08 Kochem; Robert C. Folding sawhorse
US6378710B1 (en) * 1999-06-14 2002-04-30 Menasha Corporation Adjustable shelf unit
US20020171023A1 (en) * 2001-05-18 2002-11-21 L'hotel Francois Information display unit support having at least one presentation face
US7159350B2 (en) * 2001-05-18 2007-01-09 L Hotel Francois Information display unit support having at least one presentation face
WO2003107306A1 (en) * 2002-06-17 2003-12-24 Geoffrey Alan Moss Foldable display device and easel
US7134230B1 (en) 2004-03-05 2006-11-14 Innomark Communications Stand-up display
WO2005096251A3 (en) * 2004-04-03 2006-05-26 Maconele Licensing Ltd Display apparatus
WO2005096251A2 (en) * 2004-04-03 2005-10-13 Maconele Licensing Limited Display apparatus
US20070284490A1 (en) * 2004-04-03 2007-12-13 Marc Cox Display Apparatus
US20070033842A1 (en) * 2005-08-12 2007-02-15 Mark Abramson Folding tower display
US7520071B2 (en) 2005-08-12 2009-04-21 Rapid Displays, Inc. Folding tower display
GB2430534A (en) * 2005-09-21 2007-03-28 Marc Cox Self-erecting display
US20070235396A1 (en) * 2006-04-10 2007-10-11 Moss Geoffrey A Tilt back merchandise display stand
US20110115346A1 (en) * 2009-11-13 2011-05-19 Pavel Bielecki Organizer/storage system that mounts on top of a computer workstation
US8066340B2 (en) * 2009-11-13 2011-11-29 Pavel Bielecki Organizer/storage system that mounts on top of a computer workstation
US20120261367A1 (en) * 2009-12-25 2012-10-18 Mustafa Kabakci Foldable product display stand
WO2014041998A1 (ja) * 2012-09-11 2014-03-20 大日本印刷株式会社 自立式表示装置、自立式表示装置の板材
JP2014170204A (ja) * 2012-09-11 2014-09-18 Dainippon Printing Co Ltd 自立式表示装置
US9495890B2 (en) 2012-09-11 2016-11-15 Dai Nippon Printing Co., Ltd. Autonomously standing display apparatus and substrate for autonomously standing display apparatus
US20170065105A1 (en) * 2015-09-03 2017-03-09 Willie Kelly Picture Frame Easel Back Replacement
US11451754B2 (en) * 2018-07-31 2022-09-20 R. R. Donnelley & Sons Company Display and method of constructing same
US20230276971A1 (en) * 2022-03-03 2023-09-07 Christopher Sean Lamothe Foldable portable device holder

Also Published As

Publication number Publication date
NL6717277A (US07968547-20110628-C00004.png) 1968-07-29
FR1547877A (fr) 1968-11-29
BE707804A (US07968547-20110628-C00004.png) 1968-04-16
DE1971874U (de) 1967-11-02

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