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US 4,147,198 AGranted
Portable display system
AssigneeExtraversion, Inc.
InventorWilly Ytter
Life of this patent
Estimating the term…
Abstract
A portable display system having a plurality of hollow panel assemblies with each comprising two parallel and facing wall boards secured within a border strip device. Eight panel assemblies are hinged together to fold and unfold between a folded position in which all eight panel assemblies are in parallel stacked relation and an unfolded position in which the panels are opened in a continuous wall configuration.
Claims9
A portable display system comprising:
- a plurality of panels each having a detachable front wallboard and detachable rear wallboard;
- a first and second peripheral support means to support and position said detachable front and rear wallboard in a substantially parallel and confronting relationship so as to form a panel assembly;
- said first peripheral support means removably positioned along at least one outer edge of said detachable front and rear wallboard, said second peripheral support means positioned along the remaining edges of said detachable front and rear wallboard so that said detachable front and rear wallboard is removable from said first and second peripheral support means in a direction perpendicular to the edge along which said first peripheral support means is positioned,
- hinging means for connecting a plurality of said panel assemblies to each other so that said panel assemblies are divided into a first and second group;
- said hinging means comprising a plurality of corner hinges greater than two and a plurality of double hinges greater than two so that said corner hinges are connected to a plurality of said panel assemblies movable in a vertical direction and said double hinges connected to a plurality of said panel assemblies movable in a horizontal direction,
- said first and second group comprising a number of connected panel assemblies such that said number of connected panel assemblies are hinged in the said two directions so that in the extended position the number of panel assemblies extending in the vertical direction equals the number of panel assemblies extending in the horizontal direction,
- said first group being extended to said position independent of said second group.
4 more elements
A portable display system comprising a plurality of panel assemblies, each panel assembly comprising two parallel and confronting detachable wallboards, and a first and second border strip device along the perimeter edges of said detachable wallboards;
- said first border strip device positioned along at least one perimeter edge of said detachable wallboards and having a first portion comprising two parallel grooves extending substantially the entire length of the device separated by a second portion being a hollow tubular structure said first portion being the entire outer surface of said first border strip device and being detachable from said second portion, said second portion remaining fixed in said display system so that said detachable wallboards are removable from said first and second border strip devices in a direction perpendicular to the edge along which said first border strip is positioned,
- said second border strip device positioned along the remaining perimeter edges of said detachable wallboards and having two parallel grooves extending substantially the entire length of the device separated by a hollow tubular structure;
- hinging means for connecting a plurality of said panel assemblies to each other so that said panel assemblies are divided into a first and second group;
- said hinging means comprising a plurality of corner hinges greater than two and a plurality of double hinges greater than two so that said corner hinges are connected to a plurality of said panel assemblies movable in a vertical direction and said double hinges connected to a plurality of said panel assemblies movable in a horizontal direction,
- said first and second group comprising a number of connected panel assemblies such that said number of connected panel assemblies are hinged in the said two directions so that in the extended position the number of panel assemblies extending in the vertical direction equals the number of panel assemblies extending in the horizontal direction,
- said first group being extended to said position independent of said second group.
3 more elements
Dependencies are inferred from the claim text.