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US 2018/0015773 A1Published application
Expandable folder
OwnerSungyoung Leeinventor
Life of this patent
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Abstract
An expandable folder includes a plurality of panels rotatably coupled to one another, and a number of sliding mechanisms slidingly coupled to a number of grooves defined in the panels. Engagement of the sliding mechanisms between groves defined in adjacent panels secures the adjacent panels in a planar orientation relative to one another.
Claims20
A system for arranging sheet music comprising:
- a plurality of panels coupled to one another;
- a number of sleeves coupled to each of the panels to hold media to the panels;
- and
- a number of sliding mechanisms slidingly coupled to a number of grooves defined in the panels,
- wherein engagement of the sliding mechanisms between groves defined in adjacent panels secures the adjacent panels in a planar orientation relative to one another.
2 more elements
An expandable folder comprising:
- a plurality of panels rotatably coupled to one another;
- and
- a number of sliding mechanisms slidingly coupled to a number of grooves defined in the panels,
- wherein engagement of the sliding mechanisms between groves defined in adjacent panels secures the adjacent panels in a planar orientation relative to one another.
1 more element
Dependencies are inferred from the claim text.