초록 ▼

A new and improved book-style cassette holder is provided including a spine portion provided with stay-flat supporting features. The cassette holder includes a cover with front and rear flaps connected by a flexible spine portion. Complementary interfitting trays are provided on the inner faces of t

A new and improved book-style cassette holder is provided including a spine portion provided with stay-flat supporting features. The cassette holder includes a cover with front and rear flaps connected by a flexible spine portion. Complementary interfitting trays are provided on the inner faces of the flaps which may be stacked together in a closed position to define a cassette-receiving cavity. The spine portion is provided with a spine liner portion including number of raised protrusions which abut the tray portions in a closed position to maintain the spine portion in a taut condition. A series of spaced strut supports are defined between the protrusions which are effective to maintain the spine portion of the holder in an attractive, readable stay-flat condition in use.

대표청구항 ▼

A book-style cassette holder comprising: a first one-piece flexible sheet including a front flap portion, a rear flap portion and a spine portion disposed between the flap portions and connecting the flap portions in a laterally spaced, side-by-side relation; a second one-piece stiff molded sheet ha

A book-style cassette holder comprising: a first one-piece flexible sheet including a front flap portion, a rear flap portion and a spine portion disposed between the flap portions and connecting the flap portions in a laterally spaced, side-by-side relation; a second one-piece stiff molded sheet having a raised tray portion on an inner face of each flap portion of said first sheet and an integral spine liner portion between the tray portions connecting the tray portions in a laterally spaced, side-by-side relation and covering the spine portion of the first sheet, a bond connecting said first and second sheets together around the peripheries thereof, the tray portions on the front and rear flap portions being complementary to stack together in a closed position of the holder to define an enclosed cassette-receiving cavity, said spine liner portion including a plurality of centrally disposed raised protrusions separated by a plurality of intermediate depressions, the raised protrusions being positioned so that in the closed position, raised distal surfaces on the raised protrusions abut adjacent surfaces on the tray portions of the front and rear flap portions to provide a taut and flat spine portion for the holder, and the depressions forming a series of spaced struts defining support surfaces that contact the spine portion of said first flexible sheet and are effected to maintain the spine portion in a stay-flat condition upon repeated opening and closing of the holder in use.