WO1999007944A1 - Portable and compact retroreflective sign system - Google Patents

Portable and compact retroreflective sign system Download PDF

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Publication number
WO1999007944A1
WO1999007944A1 PCT/US1998/016190 US9816190W WO9907944A1 WO 1999007944 A1 WO1999007944 A1 WO 1999007944A1 US 9816190 W US9816190 W US 9816190W WO 9907944 A1 WO9907944 A1 WO 9907944A1
Authority
WO
WIPO (PCT)
Prior art keywords
sign
base
retroreflective
sheeting
roll
Prior art date
Application number
PCT/US1998/016190
Other languages
French (fr)
Other versions
WO1999007944A8 (en
Inventor
James X. Jing
Tsunenori Matsunaga
Takashi Kawai
Original Assignee
Reflexite Corporation
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 Reflexite Corporation filed Critical Reflexite Corporation
Priority to KR1020007000960A priority Critical patent/KR20010022381A/en
Priority to CA002299313A priority patent/CA2299313A1/en
Priority to JP2000506417A priority patent/JP4106177B2/en
Priority to EP98938327A priority patent/EP1002161B1/en
Priority to AU86874/98A priority patent/AU735215B2/en
Priority to DE69808929T priority patent/DE69808929T2/en
Publication of WO1999007944A1 publication Critical patent/WO1999007944A1/en
Publication of WO1999007944A8 publication Critical patent/WO1999007944A8/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/688—Free-standing bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q7/00—Arrangement or adaptation of portable emergency signal devices on vehicles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
    • E01F9/646—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection extensible, collapsible or pivotable
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/70—Storing, transporting, placing or retrieving portable devices

Definitions

  • the invention includes a portable and compact retroreflective sign system.
  • the system includes a base, a winding mechanism roller attached to the base, and a retroreflective roll-up sheeting having a first end and a second end, wherein the first end is attached to the roller and the sign is wound about the roller.
  • a sign support is attached to the base for supporting the roll-up sign in an unrolled position, wherein the sign support is extendible from the base.
  • An attachment means is present at the second end of the retroreflective roll-up sheeting for attaching the sheeting to the sign support .
  • the present invention has many advantages including being compact and portable storage system. Also, the storage system provides substantial stability to the sign system in windy conditions. BRIEF DESCRIPTION OF THE DRAWINGS
  • Figure 1 is a perspective view of a first embodiment of a compact retroreflective sign system in a closed position.
  • Figure 2 is a perspective view of the first embodiment in an open position.
  • Figure 3 is a perspective view of a second embodiment of the compact retroreflective sign system in a closed position.
  • Figure 4 is a perspective view of the second embodiment of the compact retroreflective sign system in a partially opened position.
  • Figure 5 is a perspective view of the second embodiment of the compact retroreflective sign system in an open position.
  • a portable and compact retroreflective sign system 10 includes a retroreflective sign, which when in its rolled position, is housed in a box 14 with a hinged cover 16, as shown in Figure 1.
  • the box has a height of about 30 cm, a width of about 30 cm, and the length of about 90 cm.
  • the cover 16 can include a handle 18 to allow easy carrying of the box and latches 20 for securing the cover closed.
  • the box 14 has legs 22 which can swivel about points 24 outwardly to provide greater stability and support of the opened sign to prevent it from tipping over in windy conditions .
  • box 14 is in an opened position.
  • the rolled retroreflective sign is pulled straight up together or separately with a collapsible sign support 26.
  • the collapsible sign support 26 can be a telescoping pole and can have a height of about 175 cm.
  • the winding mechanism roller 28 such as in a window shade or self-winding projector screen, allows easy setup of the sign as well as easy roll- up of the sign after use. Alternatively, the roller may be manually wound. Further, the box 14 provides good protection of the sign once rolled up.
  • the portable and compact system provides portability, while minimizing the manual and complicated steps of setting up and rolling up a traditional flexible roll-up sign which is supported with a cross-rib system.
  • system 50 can include handle 52 and latches 54 for securing the system closed.
  • System 50 includes a series of base panels 56 which surround inner box body 58. Base panels 56 have hinges 60 to allow the panels to unfold.
  • a winding mechanism roller 62 includes retroreflective sheeting 64 wound around roller 62.
  • the winding mechanism roller 62 is attached to the interior of inner box body 58.
  • a collapsible support 66 which is attachable by attachment means 68, such as a hook or latch, to one end of the retroreflective sheeting 64 is sufficiently extendable.
  • retroreflective sheeting 12 is in an unwound position and the collapsible support 66 is in an extended position.
  • the inner box body 58 which is pivotly mounted to the panels 56 by an attached pivot means, such as a carousel (not shown) , and can then be rotated about ninety degrees to set on the flatten base panels.
  • the base panels serve as a base to support the opened retroreflective sheeting to help prevent it from tipping over in windy conditions.
  • the inner box body 58 is rotated at an angle, preferably perpendicularly, to the folds of base panels to help provide stability to the system.
  • the retroreflective sheeting can include a traffic sign 70, such as a MEN WORKING, YIELD or STOP sign.
  • a traffic sign 70 such as a MEN WORKING, YIELD or STOP sign.
  • Retroreflective materials are typically formed of a sheet of thermoplastic, which has a colorant mixed therein with the polymers . Attached to the sheet of thermoplastic is an array of cube-corner or prismatic retroreflectors as described in U.S. Patent 3,712,706, issued to Stamm on January 23, 1973, the teachings of which are incorporated herein in its entirety by reference.
  • the prisms are made by forming a master die on a flat surface of a metal plate or other suitable material. To form the cube-corner, three series of parallel equidistant intersecting V-shaped grooves 60 degrees apart are inscribed in the plate. The die is then used to process the desired cube-corner array into a flat plastic surface. When the groove angle is 70 degrees, 31 minutes, 43.6 seconds, the angle formed by the intersection of two cube faces (dihedral angle) is 90 degrees and the incident light is retroreflected back to the source.
  • the efficiency of a retroreflective structure is the measure of the amount of incident light returned within a cone diverging from the axis of retroreflection .
  • a distortion of the prismatic structure adversely affects the efficiency.
  • cube-corner retroreflective elements have low angularity at some orientation angles, for instance, the elements will only brightly reflect light that impinges on it within a narrow angular range centering approximately on its optical axis. Low angularity arises from the inherent nature of these elements which are trihedral structures having three mutually perpendicular lateral faces. The elements are arranged so that the light to be retroreflected impinges into the internal space defined by the faces, and the retroreflection of the impinging light occurs by internal retroreflection of the light from face to face of the element.
  • Impinging light that is inclined substantially away from the optical axis of the element (which is a trisection of the internal space defined by the faces of the element) strikes the face at an angle less than its critical angle, thereby passing through the face rather than being reflected.
  • U.S. Patent 3,684,3408 issued to Rowland on August 15, 1972, the teachings of which are incorporated by reference herein in its entirety.
  • a method for making retroreflective sheeting is also disclosed in U.S. Patent 3,689,346, issued to Rowland on September 5, 1972, the teachings of which are incorporated by reference herein in its entirety.
  • the disclosed method is for forming cube-corner microprisms in a cooperatively configured mold.
  • the prisms are bonded to sheeting which is applied thereover to provide a composite structure in which cube-corner microprisms project from one surface of the sheeting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Road Signs Or Road Markings (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The invention includes a portable and compact retroreflective sign system (70). The system includes a base (56), a winding mechanism roller attached to the base, and a retroreflective roll-up sheeting (64) having a first end and a second end, wherein the first end is attached to the roller and the sign is wound about the roller. A sign support is attached to the base for supporting the roll-up sign in an unrolled position, wherein the sign support is extendible from the base. An attachment means (68) is present at the second end of the retroreflective roll-up sheeting (64) for attaching the sheeting to the sign support (66).

Description

PORTABLE AND COMPACT RETROREFLECTIVE SIGN SYSTEM
BACKGROUND OF THE INVENTION
Flexible, temporary road signs for advance warning to a motorist of an approaching unsafe driving area or construction site are known in the art. A flexible road sign, capable of being disassembled and rolled up for convenience and portability, is exemplified by the teachings in U.S. Patent 4,980,984. However, such signs are inconvenient to store when not in use.
SUMMARY OF THE INVENTION
The invention includes a portable and compact retroreflective sign system. The system includes a base, a winding mechanism roller attached to the base, and a retroreflective roll-up sheeting having a first end and a second end, wherein the first end is attached to the roller and the sign is wound about the roller. A sign support is attached to the base for supporting the roll-up sign in an unrolled position, wherein the sign support is extendible from the base. An attachment means is present at the second end of the retroreflective roll-up sheeting for attaching the sheeting to the sign support . The present invention has many advantages including being compact and portable storage system. Also, the storage system provides substantial stability to the sign system in windy conditions. BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of a first embodiment of a compact retroreflective sign system in a closed position. Figure 2 is a perspective view of the first embodiment in an open position.
Figure 3 is a perspective view of a second embodiment of the compact retroreflective sign system in a closed position. Figure 4 is a perspective view of the second embodiment of the compact retroreflective sign system in a partially opened position.
Figure 5 is a perspective view of the second embodiment of the compact retroreflective sign system in an open position.
DETAILED DESCRIPTION OF THE INVENTION
The features and details of the method and apparatus of the invention will now be more particularly described with reference to the accompanying drawings and pointed out in the claims. It will be understood that the particular embodiments of the invention are shown by way of illustration and not as limitations of the invention. The principal features of this invention can be employed in various embodiments without departing from the scope of the invention.
A portable and compact retroreflective sign system 10 includes a retroreflective sign, which when in its rolled position, is housed in a box 14 with a hinged cover 16, as shown in Figure 1. In one embodiment, the box has a height of about 30 cm, a width of about 30 cm, and the length of about 90 cm. The cover 16 can include a handle 18 to allow easy carrying of the box and latches 20 for securing the cover closed. In addition, the box 14 has legs 22 which can swivel about points 24 outwardly to provide greater stability and support of the opened sign to prevent it from tipping over in windy conditions .
Shown in Figure 2, box 14 is in an opened position. The rolled retroreflective sign is pulled straight up together or separately with a collapsible sign support 26. In one embodiment, the collapsible sign support 26 can be a telescoping pole and can have a height of about 175 cm.
The winding mechanism roller 28, such as in a window shade or self-winding projector screen, allows easy setup of the sign as well as easy roll- up of the sign after use. Alternatively, the roller may be manually wound. Further, the box 14 provides good protection of the sign once rolled up. The portable and compact system provides portability, while minimizing the manual and complicated steps of setting up and rolling up a traditional flexible roll-up sign which is supported with a cross-rib system. In another embodiment, as shown in Figure 3, system 50 can include handle 52 and latches 54 for securing the system closed. System 50 includes a series of base panels 56 which surround inner box body 58. Base panels 56 have hinges 60 to allow the panels to unfold. As shown in Figure 4, the base panels 56 of the system 50 can be fully opened and laid flat on the ground. A winding mechanism roller 62 includes retroreflective sheeting 64 wound around roller 62. The winding mechanism roller 62 is attached to the interior of inner box body 58. A collapsible support 66 which is attachable by attachment means 68, such as a hook or latch, to one end of the retroreflective sheeting 64 is sufficiently extendable.
As shown in Figure 5, retroreflective sheeting 12 is in an unwound position and the collapsible support 66 is in an extended position. The inner box body 58, which is pivotly mounted to the panels 56 by an attached pivot means, such as a carousel (not shown) , and can then be rotated about ninety degrees to set on the flatten base panels. In this embodiment, the base panels serve as a base to support the opened retroreflective sheeting to help prevent it from tipping over in windy conditions. As shown, the inner box body 58 is rotated at an angle, preferably perpendicularly, to the folds of base panels to help provide stability to the system. The retroreflective sheeting can include a traffic sign 70, such as a MEN WORKING, YIELD or STOP sign. After use, the sign is retracted by winding together with the collapsible support 66 into inner box body 58 and the base panels 56 of the system can then be folded and closed.
An example of a material suitable as a roll-up sign is disclosed in International Publication No. 97/37252, published on October 7, 1997 and corresponding U.S. Patent Application Serial No. 08/625,199, filed on April 1, 1996, the teachings of which are incorporated herein in its entirety by reference. The system can be used at various sites where a temporary sign is needed such as with road work .
Retroreflective materials are typically formed of a sheet of thermoplastic, which has a colorant mixed therein with the polymers . Attached to the sheet of thermoplastic is an array of cube-corner or prismatic retroreflectors as described in U.S. Patent 3,712,706, issued to Stamm on January 23, 1973, the teachings of which are incorporated herein in its entirety by reference. Generally, the prisms are made by forming a master die on a flat surface of a metal plate or other suitable material. To form the cube-corner, three series of parallel equidistant intersecting V-shaped grooves 60 degrees apart are inscribed in the plate. The die is then used to process the desired cube-corner array into a flat plastic surface. When the groove angle is 70 degrees, 31 minutes, 43.6 seconds, the angle formed by the intersection of two cube faces (dihedral angle) is 90 degrees and the incident light is retroreflected back to the source.
The efficiency of a retroreflective structure is the measure of the amount of incident light returned within a cone diverging from the axis of retroreflection . A distortion of the prismatic structure adversely affects the efficiency.
Furthermore, cube-corner retroreflective elements have low angularity at some orientation angles, for instance, the elements will only brightly reflect light that impinges on it within a narrow angular range centering approximately on its optical axis. Low angularity arises from the inherent nature of these elements which are trihedral structures having three mutually perpendicular lateral faces. The elements are arranged so that the light to be retroreflected impinges into the internal space defined by the faces, and the retroreflection of the impinging light occurs by internal retroreflection of the light from face to face of the element.
Impinging light that is inclined substantially away from the optical axis of the element (which is a trisection of the internal space defined by the faces of the element) strikes the face at an angle less than its critical angle, thereby passing through the face rather than being reflected. Further details concerning the structures and the operation of cube-corner microprisms can be found in U.S. Patent 3,684,348, issued to Rowland on August 15, 1972, the teachings of which are incorporated by reference herein in its entirety. A method for making retroreflective sheeting is also disclosed in U.S. Patent 3,689,346, issued to Rowland on September 5, 1972, the teachings of which are incorporated by reference herein in its entirety. The disclosed method is for forming cube-corner microprisms in a cooperatively configured mold. The prisms are bonded to sheeting which is applied thereover to provide a composite structure in which cube-corner microprisms project from one surface of the sheeting.
Equivalents
Those skilled in the art will recognize or be able to ascertain using no more than routine experimentation, many equivalents to the specific embodiments of the invention described specifically herein. Such equivalents are intended to be encompassed in the scope of the claims.

Claims

1. A portable and compact retroreflective sign system comprising: a) a base; b) a winding mechanism roller attached to said base; c) a retroreflective roll-up sheeting having a first end and a second end, wherein said first end is attached to said roller and said sign is wound about said roller; d) a sign support attached to said base for supporting said roll-up sign in an unrolled position, wherein said sign support is extendible from said base; and e) an attachment means at the second end of said retroreflective roll-up sheeting for attaching said sheeting to said sign support .
2. The sign system of Claim 1 wherein said base includes a box for holding said winding mechanism roller, the retroreflective sign and said sign support in a retracted position.
3. The sign system of Claim 2 wherein said base includes a plurality of legs mounted on said base.
4. The sign system of Claim 2 wherein said box includes a cover and handle.
5. The sign system of Claim 1 wherein said base is pivotly mounted on a foldable cover, said foldable cover encloses the base, winding mechanism roller, retroreflective sign and sign support .
6. The sign system of Claim 1 wherein said sign system further includes a traffic sign on the retroreflective roll-up sheeting.
7. The sign system of Claim 1 wherein said retroreflective roll-up sheeting includes cube- corner prisms.
8. The sign system of Claim 1 wherein said sign support includes a telescoping pole.
9. The sign system of Claim 1 wherein said winding mechanism roller is a self-winding mechanism roller.
PCT/US1998/016190 1997-08-06 1998-08-05 Portable and compact retroreflective sign system WO1999007944A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020007000960A KR20010022381A (en) 1997-08-06 1998-08-05 Portable and compact retroreflective sign system
CA002299313A CA2299313A1 (en) 1997-08-06 1998-08-05 Portable and compact retroreflective sign system
JP2000506417A JP4106177B2 (en) 1997-08-06 1998-08-05 Portable small retroreflective marker
EP98938327A EP1002161B1 (en) 1997-08-06 1998-08-05 Portable and compact retroflective sign system
AU86874/98A AU735215B2 (en) 1997-08-06 1998-08-05 Portable and compact retroflective sign system
DE69808929T DE69808929T2 (en) 1997-08-06 1998-08-05 PORTABLE AND COMPACT RETRORE-REFLECTIVE TRAFFIC SIGNAL SYSTEM

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US5501497P 1997-08-06 1997-08-06
US60/055,014 1997-08-06
US5496097P 1997-08-07 1997-08-07
US60/054,960 1997-08-07
US7520898P 1998-02-19 1998-02-19
US60/075,208 1998-02-19

Publications (2)

Publication Number Publication Date
WO1999007944A1 true WO1999007944A1 (en) 1999-02-18
WO1999007944A8 WO1999007944A8 (en) 1999-04-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/016190 WO1999007944A1 (en) 1997-08-06 1998-08-05 Portable and compact retroreflective sign system

Country Status (9)

Country Link
US (1) US6115951A (en)
EP (1) EP1002161B1 (en)
JP (1) JP4106177B2 (en)
KR (1) KR20010022381A (en)
CN (1) CN1140673C (en)
AU (1) AU735215B2 (en)
CA (1) CA2299313A1 (en)
DE (1) DE69808929T2 (en)
WO (1) WO1999007944A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2499631A (en) * 2012-02-23 2013-08-28 Lepidus Ltd A portable collapsible sign having a housing for storage which also forms in part a frame for the sign
EP2548193A4 (en) * 2010-03-15 2015-03-11 Expand Int Ab Display means
US20160111033A1 (en) * 2014-10-21 2016-04-21 Phase 2 Enterprises LLC Portable perimeter warning indication system
WO2017042411A1 (en) * 2015-09-09 2017-03-16 Luis Gomez Henares Portable unit for smartphone devices

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517860C2 (en) * 1999-11-12 2002-07-23 Expand Int Ab Foldable and foldable display arrangement
US6553929B1 (en) * 2000-02-02 2003-04-29 Kevin Louis Harp Hazard marker
US6571496B2 (en) * 2000-08-31 2003-06-03 Expand International Of America, Inc. Portable visual display device with removable cassette
GB0101070D0 (en) * 2001-01-16 2001-02-28 Reddiplex Group Plc Display stands
US6643966B2 (en) * 2001-03-05 2003-11-11 Anthony J. Schmitt Banner sign display stand
US7007420B2 (en) * 2002-04-23 2006-03-07 Worldwide Safety, Llc Barricade sign
US6991019B2 (en) * 2003-08-06 2006-01-31 Wei Chi Chang Screen
US6956502B1 (en) * 2003-11-04 2005-10-18 Bartinelli Anthony J Traffic control sign
WO2006019873A2 (en) * 2004-07-16 2006-02-23 Staging Optics, Inc. Conference branding system and related method
US7243450B2 (en) 2004-08-09 2007-07-17 Dicke Tool Company Sign stand having resilient base
US7377715B2 (en) * 2004-10-08 2008-05-27 Ronald Lee Kruise Tire deflation tool delivery device
US7337567B2 (en) * 2004-12-01 2008-03-04 Skyline Displays, Inc. Retractable banner stand with curvature means
US7963059B2 (en) 2004-12-01 2011-06-21 Skyline Displays, Inc. Tradeshow display formed of banner stands
US7261051B2 (en) * 2005-04-04 2007-08-28 John M. Tipaldo Condensed retractable safety marker
US20070261280A1 (en) * 2005-07-08 2007-11-15 Maryam Rastegar Portable folding sign apparatus
US20070197084A1 (en) * 2005-08-15 2007-08-23 D & R Electronics Co., Ltd Emergency signaling system
US7490426B2 (en) * 2005-09-30 2009-02-17 Eugene Scarberry Display system and method of using same
US8091605B1 (en) * 2006-01-25 2012-01-10 Jim Melhart Piano and Organ Company Acoustic panel assembly
SE529983C2 (en) * 2006-05-02 2008-01-22 Expand Int Ab A display device
WO2008017282A1 (en) * 2006-08-11 2008-02-14 Roflexs Gmbh & Co. Kg Barrier and securing post
US20080105797A1 (en) * 2006-10-27 2008-05-08 Skyline Displays, Inc. Curved retractable banner stand
US20080291053A1 (en) * 2007-05-23 2008-11-27 O'brien Jerry L Signal-operable traffic sign assembly
US8006420B2 (en) * 2008-08-27 2011-08-30 The Portables Exhibit Systems Limited Retractable banner display stand
US20100175731A1 (en) * 2009-01-12 2010-07-15 John Day Wind and sand barrier
US20100288450A1 (en) * 2009-05-13 2010-11-18 Naftali Bruck Portable scene isolator
GB2474582B (en) * 2009-10-15 2014-09-24 Iconet Ltd Improvements in or relating to roller banners
US8429841B1 (en) * 2010-08-31 2013-04-30 Butch Ernest J. Keller Traffic safety system
CN102086631B (en) * 2010-12-08 2012-01-18 汪少烽 LED projection warning device
US20120186759A1 (en) * 2011-01-25 2012-07-26 Paul Lin Sunshade Assembly for a Side Window of a Vehicle
KR101780419B1 (en) * 2011-02-15 2017-10-11 삼성디스플레이 주식회사 Flexible display
US8205994B1 (en) * 2011-05-02 2012-06-26 Avery Dennison Corporation Minimum retroreflectivity compliance system, method and assembly
US8944132B1 (en) * 2011-08-10 2015-02-03 Kevin Floyd Retractable privacy screen and mounting fixture
KR101324815B1 (en) * 2011-11-23 2013-11-08 이정원 Emergency-vehicle display device
US9057164B2 (en) * 2012-03-07 2015-06-16 Chad Kunkel Area delineator
KR102342761B1 (en) * 2014-12-04 2021-12-23 삼성디스플레이 주식회사 Flexible display device
US20160312944A1 (en) * 2015-01-07 2016-10-27 Johnny McCoy Safety apparatus
KR200481833Y1 (en) * 2015-05-11 2016-11-16 장세기 The safty tripod
US9689647B1 (en) * 2016-06-14 2017-06-27 Todd Ian Dolgoff Target stand
KR101687708B1 (en) * 2016-06-27 2016-12-19 김강 Emergency signal apparatus
US10403184B2 (en) * 2016-12-22 2019-09-03 Waldemar Veazie, IV Freestanding exhibit display
KR102030653B1 (en) * 2019-06-17 2019-10-10 이기섭 emergency-vehicle display device for car of easy portable
EP4196395A4 (en) * 2020-08-17 2024-07-03 Windham Packaging Llc Portable airline inter-passenger shield
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US11810479B1 (en) 2021-12-01 2023-11-07 John P. Wiles Deployable stop sign for use with a traffic light during power loss

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE544179C (en) * 1932-02-15 Herbert Maulhardt Blocking and warning sign
US3684348A (en) 1970-09-29 1972-08-15 Rowland Dev Corp Retroreflective material
US3689346A (en) 1970-09-29 1972-09-05 Rowland Dev Corp Method for producing retroreflective material
US3712706A (en) 1971-01-04 1973-01-23 American Cyanamid Co Retroreflective surface
US3899843A (en) * 1967-12-11 1975-08-19 Western Progress Inc Signalling device with a sign having provision for spilling of wind and with a support
DE2543232A1 (en) * 1975-09-27 1977-04-07 Jochem Ing Grad Mann Emergency signal for stranded motorist - with folding frame and rolled set of information displays in base with steadying legs
GB1526855A (en) * 1977-05-31 1978-10-04 Kenyon & Co Ltd A Signs for roadways
GB2054234A (en) * 1979-06-05 1981-02-11 Charlesworth W A Portable road signs
US4817318A (en) * 1987-03-26 1989-04-04 Strauch C Randolph Demountable road sign
US4980984A (en) 1989-09-07 1991-01-01 Traffic Devices, Inc. Highway signs and flags capable of being rolled up
WO1997037252A1 (en) 1996-04-01 1997-10-09 Reflexite Corporation A color-fast retroreflective structure

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329195A (en) * 1965-05-24 1967-07-04 Kinkead Industries Projection screen or the like
US3616557A (en) * 1969-11-04 1971-11-02 Arthur G Vara Sr Knock down highway sign
US3792678A (en) * 1972-09-27 1974-02-19 Rowland Dev Corp Emergency warning sign with readily collapsible frame
US5176774A (en) * 1986-01-24 1993-01-05 Roll Screens, Inc. Processes for manufacturing multilayer plastic sheet
US5031347A (en) * 1988-05-12 1991-07-16 Berg Douglas C Vehicle distress sign and method of making same
US5175646A (en) * 1990-05-24 1992-12-29 Eden Elizabeth A Reflective roll-up signs
US5152091A (en) * 1990-12-05 1992-10-06 Leach Fred D Highway sign
US5318258A (en) * 1992-09-30 1994-06-07 Lang Paul A Portable highway sign stand
US5446984A (en) * 1993-09-01 1995-09-05 Traffix Devices, Inc. Highway signs capable of being rolled up and improved mounting brackets for the signs
US5540007A (en) * 1993-10-27 1996-07-30 Traffix Devices, Inc. Highway signs capable of being rolled up
US5451287A (en) * 1993-12-17 1995-09-19 Minnesota Mining And Manufacturing Company Machine for wrapping tubular markers with a reflective material
US5551177A (en) * 1994-06-01 1996-09-03 Sportniks, Inc. Roll-up sign with collapsible, fanning framework
US5729926A (en) * 1994-06-01 1998-03-24 Sportniks, Inc. Roll-up sign with removable batten
US5551178A (en) * 1995-01-19 1996-09-03 Flexsign Inc. Collapsible sign
US5732911A (en) * 1996-05-03 1998-03-31 Traffix Devices, Inc. Legless sign stand
US5875597A (en) * 1997-06-06 1999-03-02 Haworth, Inc. Height-adjustable space-dividing screen

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE544179C (en) * 1932-02-15 Herbert Maulhardt Blocking and warning sign
US3899843A (en) * 1967-12-11 1975-08-19 Western Progress Inc Signalling device with a sign having provision for spilling of wind and with a support
US3684348A (en) 1970-09-29 1972-08-15 Rowland Dev Corp Retroreflective material
US3689346A (en) 1970-09-29 1972-09-05 Rowland Dev Corp Method for producing retroreflective material
US3712706A (en) 1971-01-04 1973-01-23 American Cyanamid Co Retroreflective surface
DE2543232A1 (en) * 1975-09-27 1977-04-07 Jochem Ing Grad Mann Emergency signal for stranded motorist - with folding frame and rolled set of information displays in base with steadying legs
GB1526855A (en) * 1977-05-31 1978-10-04 Kenyon & Co Ltd A Signs for roadways
GB2054234A (en) * 1979-06-05 1981-02-11 Charlesworth W A Portable road signs
US4817318A (en) * 1987-03-26 1989-04-04 Strauch C Randolph Demountable road sign
US4980984A (en) 1989-09-07 1991-01-01 Traffic Devices, Inc. Highway signs and flags capable of being rolled up
WO1997037252A1 (en) 1996-04-01 1997-10-09 Reflexite Corporation A color-fast retroreflective structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2548193A4 (en) * 2010-03-15 2015-03-11 Expand Int Ab Display means
GB2499631A (en) * 2012-02-23 2013-08-28 Lepidus Ltd A portable collapsible sign having a housing for storage which also forms in part a frame for the sign
US20160111033A1 (en) * 2014-10-21 2016-04-21 Phase 2 Enterprises LLC Portable perimeter warning indication system
US9476174B2 (en) * 2014-10-21 2016-10-25 Phase 2 Enterprises LLC Portable perimeter warning indication system
WO2017042411A1 (en) * 2015-09-09 2017-03-16 Luis Gomez Henares Portable unit for smartphone devices

Also Published As

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WO1999007944A8 (en) 1999-04-01
CN1140673C (en) 2004-03-03
EP1002161A1 (en) 2000-05-24
JP4106177B2 (en) 2008-06-25
CN1265718A (en) 2000-09-06
EP1002161B1 (en) 2002-10-23
DE69808929D1 (en) 2002-11-28
US6115951A (en) 2000-09-12
JP2003521598A (en) 2003-07-15
DE69808929T2 (en) 2003-08-07
KR20010022381A (en) 2001-03-15
CA2299313A1 (en) 1999-02-18
AU8687498A (en) 1999-03-01
AU735215B2 (en) 2001-07-05

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