作者: Barry Zane
DOI:
关键词: Computer graphics (images) 、 Hinge 、 Cover (algebra) 、 Detent 、 Engineering 、 Cable gland 、 Front (military) 、 Edge (geometry) 、 Front cover 、 Line (text file)
摘要: The improved notebook and cover assembly of the present invention includes a notebook, preferably loose-leaf type, sub-assembly which front rear covers, an edge binder interconnecting two covers foldable back upon itself, connector releasably only to covers. Due are movable between first position wherein overlies protects second is behind flat against cover, thus fully exposing supporting it in for easy viewing writing therein. can have longitudinal fold line along length center central portion thereof, or be divided that into halves joined together by hinge, such as piano hinge flexible strip plastic, cloth, paper rubber. Openable rings like secure either directly thereto wings connected inner surfaces If desired, integral with Detents may on hold them when position.