The field of the disclosure is portable non-permanent writing surfaces, portable projection surfaces, and combinations thereof. More specifically, the field of the invention is for a collaborative board-writing system having a flexible writing surface of a variable curvature. The surface may also be a projection surface.
Gatherings of people, such as meetings, are useful for discussions on many topics. These gatherings are enhanced if there is a semi-permanent, erasable method for writing down ideas, talking points, qualifications, or other data pertinent to the discussion. An example is a high school or college classroom, in which a professor will write down the main points, for example, for the lesson of the day. Other examples include sales meetings, in which salesmen or sales managers may list products and their respective advantages. Still another example is a “poster board” session common at scientific or engineering meetings. These poster board sessions allow presenters to list topics, data or data points, ideas for a next stage of development, and so forth. The media used in these meetings may include “white board” or dry erase products, such as those available from Sanford Corp., Bellwood, Ill. Other media may include black boards, i.e., boards using chalk to express an idea. Still other media may include opaque plastic sheeting that accepts writing.
In larger meetings especially, or in those with a high interest in a particular topic, board space or presentation space may be in short supply compared to the number of participants or hopeful participants. Thus, it is common for meeting sites or gatherings to furnish many such boards. Each unit furnished is typically a single board, such as a dry erase board, a chalk board or even a smart board, which may be computer controlled and capable of “remembering” what is written and even downloading the written images for later print out in a smaller medium, e.g., one or more sheets of paper. Of course, such smart boards are very expensive and may not be affordable for smaller organizations.
The other typical solution, as mentioned, is to furnish many single boards, which may then be formed in a line for longer presentations, or joined to make a straighter line, which may present topics, ideas or data in a desired sequence. One problem with this method is that it may require many boards to convey all the information presented, and the line of single boards may thus be rather long. Making the line shorter can be accomplished by forming an arc with the boards, i.e., aligning the boards in a polygonal shape (as viewed from above). This also presents problems, because it is easy to mis-align the panels and a broken, disjointed presentation is not as easy to follow. Moreover, as the overall length of the “line” of boards increases, the distance between the viewer and the far edges of the boards also increases, in many cases to the point where the viewer will have difficulty viewing the material written on the edges of the board.
What is needed is a better way of presenting information, especially information that requires several panels or boards, such as those intended for large gatherings. These and other advantages of the disclosure, as well as additional inventive features, will be apparent from the description provided herein.
One embodiment is a portable and modular board writing system. The system includes a flexible panel having a first edge and a second edge and a smooth surface adapted for non-permanent writing on at least one side of the flexible panel. The system also includes a first post secured to the first edge of the flexible panel, a second post secured to the second edge of the flexible panel, a first foot oriented orthogonally to the first post and secured to an end of the first post, and a second foot oriented orthogonally to the second post and secured to an end of the second post. In this embodiment, an outer side of each of the first and second posts is adapted to engage with outer sides of a third post of an adjacent flexible panel, wherein the flexible panel and the adjacent flexible panel form a writing system having a variable curvature, and wherein the first and second feet provide sufficient resistance to prevent movement of the feet due to curvature of the panels.
Another embodiment is a portable and modular board writing system. The system includes at least one flexible panel having a first edge and a second edge, and the flexible panel also includes a smooth surface adapted for non-permanent writing on at least one side of the flexible panel. The system also includes a plurality of posts secured to the first edge and second edge of the at least one flexible panel, wherein the number of posts is equal to the number of flexible panels plus at least one additional post. In this embodiment, there is also a first foot oriented orthogonally to a first post of the plurality of posts and secured to an end of the first post and a second foot oriented orthogonally to a second post of the plurality of posts and secured to an end of the second post, wherein the at least one flexible panel forms a writing system having a variable curvature and wherein the first and second feet provide sufficient resistance to prevent movement of the feet due to curvature of the panels.
Another aspect is a method for providing a modular, portable writing and projection system having variable curvature. The method includes steps of providing at least two flexible panels, each flexible panel having left and right edges and a smooth surface adapted for non-permanent writing on at least one side of the flexible panel. The method also includes steps of securing posts to the left and right edges of each panel, each post having a foot oriented orthogonally to the post; mounting a stopping or securing mechanism to each foot, and arranging the panels, posts and feet to form a system with a desired curvature, wherein the feet provide sufficient resistance to prevent movement of the feet due to curvature of the panels.
Other embodiments and advantages of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
The accompanying drawings incorporated in and forming a part of the specification illustrate several aspects of the present invention and, together with the description, serve to explain the principles of the invention. The drawings are meant to be illustrative rather than limiting. In the drawings:
While the invention will be described in connection with certain embodiments, there is no intent to limit it to those embodiments. The intent is to cover all alternatives, modifications and equivalents as included within the spirit and scope of the invention as defined by the appended claims. All references, including publications, patent applications, and patents cited herein are hereby incorporated by reference to the same extent as if each reference were individually and specifically indicated to be incorporated by reference and were set forth in its entirety herein.
For purposes of this description, a module is itself a portable, flexible writing surface having a variable radius. The modules can be connected to form an extended board-writing system as described above. Each module comprises a panel. The panel is flexible, but also provides structural integrity to the module. In an embodiment, the panel comprises two layers. The first such layer can be made of a material such as hardboard, which is commonly known as “Masonite.” The first layer can also be made of polycarbonate, polyethylene, HDF, high-density polyethylene (“HDPE”), medium density fiberboard (MDF), or the like. The second layer is affixed to the first layer by various conventional means, including by way of an adhesive or lamination process. The second layer can be made of a material or coating which allows for application of non-permanent writing by, for example, dry-erase markers, or for a projection surface. An example of suitable dry erase writing surfaces, projection surfaces, or combination surfaces are those sold under the trademark Walltalker®. Walltalker® is a division of RJF International Corporation of Fairlawn, Ohio.
In other embodiments, the panel could also be one piece of material that provides both the structural integrity and the writing and projection surface. In such an embodiment, the panel is made of high-density polyethylene (“HDPE”) or any other materials described above that is used in the first layer, provided such materials facilitate non-permanent writing and/or projection. In still another embodiment, the panel could similarly be one piece of material that provides both the structural integrity and the writing projection surface wherein the material is what is commonly referred to as “showerboard.” In still another embodiment, the panel may be made of a shape memory material or a bendable foam, each of which would facilitate non-permanent writing and/or projection, or would be coated with a material that would facilitate the same. The skilled artisan will appreciate that there are other materials from which the panel could be made and that this disclosure does not necessarily limit embodiments to the above-described materials.
In other embodiments, the panels and writing surfaces may be arranged in a convex or “curved-out” manner. In yet another embodiment, the panels may have writing surfaces on both sides.
As
Panels made from the materials described above are able to flex, but exert a force counter to the desired curvature to get back to their normal “flat” state. It is desirable to have panels that can also be flat because certain situations call for a flat writing or projecting surface. However, it is the variable curvature of the panels that allows the system to be modified into various shapes that foster collaborative communication.
Thus, two aspects are important in achieving variable curvature: the flexibility of the panel (described above), and a way to maintain the curvature in light of the force mentioned above. Two ways to maintain the curvature are as follows: first, a solid connection with the ground which will maintain the curvature and resist the force exerted by the panel to return to its native state, and second, a mechanical means to exert the force necessary to maintain the curvature. As discussed below, many of the mechanical devices used to exert this force are turn-down devices, i.e., some portion of the device is turned or rotated into contact with the ground or a floor on which the posts and feet are mounted.
With respect to the first method mentioned above, an effective way to counteract the force to return to normal described above and thereby to maintain curvature is to create a solid connection with the ground. There are several ways to achieve such a connection. One way is to provide heavily weighted feet. The weight of the feet will be chosen so as to counteract the force to return to normal (or flat). Another such method within this category of creating a solid connection with the ground is to apply external weights to the feet or legs. Another method is to provide the feet with stoppers. In this embodiment, the stoppers could be made of rubber or similar material and when placed on certain floor surfaces, will maintain the curvature of the boards via the friction created. Another mechanism is lockable wheels or casters. The wheels or casters allow the module to be mobile and also allow the module to maintain its curvature via friction once they are locked.
Embodiments with these solutions are depicted in
Another embodiment of a post is depicted in
Another embodiment of a post is depicted in
When the user desires to lock the post in place, the rubber brake is employed in the following manner. The rubber brake 74 is turned down along length 76 and the distal end 77 is placed under the bearing 73, using orifice 78. As seen in
Other mechanisms may also be used to brake and hold the mounted panels, as shown above in
Not seen in distal portion 81 is a matching cylindrical protrusion with tabs oriented at 180° from each other, the protrusion facing in the direction of the hollow and intended for assembly thereinto. A coil spring with a low spring constant may be mounted within hollow 86 or around the cylindrical protrusion of the distal portion. The spring provides tactile feedback to a user when the user rotates the proximal portion in a clockwise manner so that the bottom 83 brake is on the floor or other surface. The user is about to release the brake by rotating the proximal portion in a counter-clockwise manner, as shown in
Bottom surface 97 is oriented at 90° to the caster bearing. Thus, one needs only to rotate mount 19 counter clock wise to remove the caster bearing from the floor and place the braking surface 93 onto the floor. A roughened surface 97 is provided on the brake 91 to enable a user's foot to rotate the assembly and thus to brake or to release the foot. A coil spring 99 may also be used to assist in rotation or to provide tactile feedback to a user. A coil spring would mount between pivot 92 and foot 44.
The elevation or side view of
The plan or top view of
With respect to the second method of maintaining curvature, the module could be provided with an adjustable tightening mechanism. The tightening mechanism could comprise a cable, rope, filament, or the like. The cable could be fastened to the panel or the posts in any number of ways including through eyelets, apertures, or the like. When tightened, the cable would force the bendable panel to bow into a curved configuration. Cable tightening mechanisms may be provided such as a crank, knob, or winch. Further, a dampening release mechanism could also be provided to prevent the panel from violently snapping back to normal when the force exerted by the tightening mechanism is removed.
Referring back to
The use of the terms “a” and “an” and “the” and similar referents in the context of describing the invention (especially in the context of the following claims) is to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. The terms “comprising,” “having,” “including,” and “containing” are to be construed as open-ended terms (i.e., meaning “including, but not limited to,”) unless otherwise noted. Recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein, and each separate value is incorporated into the specification as if it were individually recited herein. All methods described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The use of any and all examples, or exemplary language (e.g., “such as”) provided herein, is intended merely to better illuminate the invention and does not pose a limitation on the scope of the invention unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the invention.
While embodiments of the invention have been disclosed and described in detail, it is understood that various modifications and improvements thereon will become readily apparent to those skilled in the art. Accordingly, the spirit and scope of the present disclosure is not limited by the foregoing examples, but is better understood by the claims below.
The present application claims priority from, and the benefit under 35 U.S.C. §119(e) for, U.S. Provisional Application No. 61/235,594, of the same title, filed on Aug. 20, 2009, which is hereby expressly incorporated by reference.
Number | Name | Date | Kind |
---|---|---|---|
1706388 | Ashkenas | Mar 1929 | A |
1744605 | Ashkenas | Jan 1930 | A |
2324398 | Kahr | Jul 1943 | A |
2577667 | Waite | Dec 1951 | A |
2838853 | Batzdorff | Jun 1958 | A |
3326505 | Jamar, Jr. | Jun 1967 | A |
3605851 | Miles et al. | Sep 1971 | A |
3713474 | Orlando | Jan 1973 | A |
3766692 | Stark | Oct 1973 | A |
D257606 | Cyplik | Dec 1980 | S |
5361164 | Steliga | Nov 1994 | A |
D353946 | Fischer | Jan 1995 | S |
5826639 | Miller | Oct 1998 | A |
5875597 | Gingrich | Mar 1999 | A |
5903992 | Eisenberg | May 1999 | A |
5915807 | Ilagan et al. | Jun 1999 | A |
D415901 | Arko | Nov 1999 | S |
6251500 | Varga | Jun 2001 | B1 |
6292830 | Taylor | Sep 2001 | B1 |
6354227 | Feldpausch | Mar 2002 | B1 |
6516571 | Overthun | Feb 2003 | B1 |
7195491 | Chen | Mar 2007 | B1 |
7399184 | Hester | Jul 2008 | B2 |
7866074 | McComb | Jan 2011 | B2 |
8596600 | Spencer | Dec 2013 | B2 |
20040091849 | Gallant | May 2004 | A1 |
20040140066 | Brennan | Jul 2004 | A1 |
20060003307 | Hester | Jan 2006 | A1 |
20070006498 | Collins | Jan 2007 | A1 |
20070261613 | Watson | Nov 2007 | A1 |
20080190043 | Beckmann | Aug 2008 | A1 |
20090233265 | Budryk et al. | Sep 2009 | A1 |
20090238853 | Liu | Sep 2009 | A1 |
Number | Date | Country |
---|---|---|
10-1987-0005826 | Jul 1987 | KR |
10-1997-0000544 | Jan 1997 | KR |
20-1998-0025991 | Aug 1998 | KR |
Entry |
---|
Walltalkers tac-wall® surface, from Walltalkers website, undated, 1 page, seen at http://www.walltalksers.com/products/tac-wall.asp. |
Walltalkers mag-rite® II surface, from Walltalkers website, undated, 1 page, seen at http:/www.walltalkers.com/products/mag-rite-ii.asp. |
International Search Report, PCT/US2010/046100, Mailed May 20, 2011, 3 pages. |
Number | Date | Country | |
---|---|---|---|
20110045454 A1 | Feb 2011 | US |
Number | Date | Country | |
---|---|---|---|
61235594 | Aug 2009 | US |