2012 - Europe Direct Iasi

EUROINVENT 2012
exhibitions, expos, conferences, meetings, etc, there are
always the visitor badges/staff badges provided for all
people. If the badges given to them have L-shaped plastic
plate equipped, people are able to carry and leave their
drinks on the name tag while eating standing up.
5.19.
Title 30cm-Ruler Having a Portable Bookshelf Function
Authors CHOI, YONG SUK
Institution Imae High School, Korea
Patent no. 10-2009-1079858
Description
The surface of a 30cm-ruler has grooves to fasten cutter
knife (box cutter) case with two foldable push bar brackets
that slide along the cutter knife case. The push bar can either
be erected or folded down. When folded down, the ruler can
be used normally without any congestion. With the push bars
erected, books of any kind can be located in between each
bar to be compressed from both side, the ruler then serves as
a bookshelf. The push bars apply force from both sides into
the books placed in between them to grip them tight,
preventing them from falling out of the shelf. Students and
other users can use this invention as a regular ruler, but also
as a portable singular bookshelf.
The 30cm-ruler is a tool that is generally being used for
scaling, measuring size and length of objects, lines and for
other various purposes. However, now this new idea has
brought a ruler with a new function of being a portable
bookshelf. The shelf space can easily be adjusted by just
relocating the push bar brackets of the cutter knife along the
Class 5
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