R.r. Donnelley and Sons Company

Todd Alan Arnett

James L Warmus

Marcellino Santoro

Douglas R Cwidak

William David Collings

Robert B Lipscomb

A display apparatus includes a shroud having a first substrate and a second substrate disposed in opposition to one another, the first substrate and the second substrate being connected to one another at a first side by a first joint and at a second side by a second joint. A free-floating stop member is disposed in a volume of the shroud between the first and second substrates and between the first and second joints, the free-floating stop member including a channel extending along the free-floating stop member for at least a portion of a length of the free-floating stop member. An elastic member couples the first joint to the second joint to exert a tensile force therebetween and passes through the channel of the free-floating stop member. The free-floating stop member is translatable vertically within the shroud between a first position and a second position and the free-floating stop member is dimensioned to stop inward travel of the first joint and the second joint responsive to the tensile force exerted by the elastic member.

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Joliet, IL, United States of America

Todd Alan Arnett