Optics: image projectors – Picture carrier
Patent
1986-03-20
1987-12-29
Haroian, Harry N.
Optics: image projectors
Picture carrier
353DIG5, 353109, G03B 2154
Patent
active
047157054
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a method for presentation of information on a plurality of sheetshaped information carriers which are connected to each other in a continuous series of said sheets which along opposite edge portions are connected with each other along folding lines where close to each other positioned sheets are folded relative to each other so that said series of sheets extends zig-zag like and form in a stored position a pack of said sheets in which pack the sheets are close to each other and from which the sheets can be folded out for presentation of information on the sheets.
The present invention also relates to a device for presentation of information on a plurality of sheetshaped information carriers which are connected to each other in a continuous series of said sheets which along opposite edge portions are connected with each other along folding lines so that the series of sheets extends zig-zag like and in a stored position can form a pack of said sheets in which pack the sheets are close to each other and from which the sheets can be folded out for presentation of information on the sheets.
BACKGROUND
For presentation of information on certain types of sheetshaped information carriers, for example overhead sheets, there is no simple and efficiently operated solution. Usually the overhead sheets are handled separately which is relatively complicated and sometimes results in mistakes, such as incorrect positioning of the sheets, which is a serious disadvantage in connection with for example a lecture. An automatically operated motordriven device has been developed which however is very expensive and very complicated and consequently sensitive to operation disturbances.
Also within other fields, for example in connection with presentation of brochure materials there is a demand for a new and promotional way of information which for example enables to study of information simoultaneously by two persons which are positioned opposite to each other.
TECHNICAL PROBLEM
The object of the present invention is to solve the above given problems and by means of a simple method and by means of a device which is easy to transport and rationalizes the presentation of information without any need for complicated mechanisms.
Said object is obtained by means of the method and the device according to the present invention.
THE SOLUTION
The method according to the present invention is characterized by that one of the outer sheets of the pack is placed with an interspace relative to the pack, said interspace being substantially a multiple, larger than 1, of the width of each sheet between said folding lines, that in this way at least two sheets at a time can be held unfolded on a base in said interspace for the purpose of presentation and that said series of sheets consecutively can be brought over to said outer sheet, forming a new pack during a consecutive positioning of the said sheets in the said interspace for said presentation by that the unfolded sheets in said interspace by means of folding are moved over to the new pack.
The device according to the invention is characterized by that the device includes two side support means arranged on the sides of a presentation means, that said side support means are positioned with an interspace relative to each other so that at least two of said sheets can be held extended on said presentation means, that one of said side support means is arranged to support said pack of sheets, whereas the other side support means is arranged to receive sheets which consecutively are folded over to said second side support means.
BRIEF DESCRIPTION OF DRAWINGS
The present invention will in the following be closer described by means of embodiments with reference to the accompanying drawings in which
FIGS. 1 and 2 schematically show a very simple device for the accomplishment of the method in a first embodiment, whereas
FIGS. 3 and 4 show a lateral view and a view from above of the device according to the invention in a position of utilization
REFERENCES:
patent: 2649093 (1953-08-01), Rigney
patent: 2740326 (1956-04-01), Reinebach
patent: 3250274 (1966-05-01), Mathiesen
patent: 3625368 (1971-12-01), Toms
patent: 4548487 (1985-10-01), Nielsen
Haroian Harry N.
Ingenjorsfirma B Nord AB
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