Patent ID: 6354486
Filing Date: 2002-03-12
Classification: B42F,B65D

Abstract:
An expansible document holder comprising:a rectangular base wall having left and right lateral edges opposite to each other in a longitudinal direction, and upper and lower edges opposite to each other in a first transverse direction that is transverse to the longitudinal direction, said base wall further having inner and outer surfaces opposite to each other in a second transverse direction that is transverse to both the longitudinal direction and the first transverse direction; left and right lateral flaps connected to said left and right lateral edges of said base wall respectively along first left and right folding lines that extend in the first transverse direction; and lower and upper flaps connected to said lower and upper edges of said base wall respectively along first bottom and top folding lines that extend in the longitudinal direction; said left and right lateral flaps and said lower and upper flaps being foldable relative to said base wall to a document confining position, wherein said left and right lateral flaps are superposed on said inner surface of said base wall, wherein said lower flap and said left and right lateral flaps overlie each other, wherein said upper flap overlies said left and right lateral flaps and said lower flap, and wherein said left and right lateral flaps, said lower and upper flaps and said base wall cooperatively define a document confining space thereamong; wherein said lower flap has opposite lateral portions that are disposed in an overlying manner with respect to said left and right lateral flaps in the document confining position, one of said left and right lateral flaps and said lateral portions of said lower flap in each overlying pair being formed with a tab slot, the other one of said left and right lateral flaps and said lateral portions of said lower flap in each overlying pair being provided with an anchoring tab that extends through said tab slot so as to inter-engage said lateral portions of said lower flap with said left and right lateral flaps, wherein the other one of said left and right lateral flaps and said lateral portions of said lower flap in each overlying pair is formed with a rectangular cut-out, said anchoring tab being disposed in said cut-out and having one edge connected hingeably to a periphery of said cut-out.