| 摘要 |
A book for card records and the like comprises a one-piece blank of polymeric sheet material scored and folded to provide front and rear covers and a back, the covers being hinged to the back along integral hinge formations constituted by spaced-apart, parallel, scored hinge lines along the parallel longer edges of the back. An inside spacer flap is folded back along scored lines at the bottom edge of each of the covers into overlying relation with the lower portion of the inside face of the cover and is secured along its free edge to the cover. An internal cover flap is bent in from the top edge along an integral hinge so that the cover flap can be folded down over material supported on the inside face of the respective cover or opened-out to reveal the contents of the book. Brackets for supporting hinge-type record card mounting elements are fastened to the inside faces of the covers underneath the cover flaps. Hand-hold formations along the bottom edge of the cover facilitate removing and replacing the book in a storage shelf or other receptacle, and a protective flange bridges the edge of the book between the top edges of the covers, preferably in a position near the back of the book, to prevent the book from accidentally being damaged by attempting to force it into a storage location with an object intruding between the two covers.
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