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带锥形弹性外袋的文件夹
Padfolio with tapered elastic outer pocket
US-7487871-B1用于携带文件，通过弹性带固定并显示文件存在。
专利摘要
本发明提供一种文件夹、公文包、箱子、袋子或其他商务配件，其在外表面上带有一个口袋盖，该口袋盖通常在顶部边缘开口并在底部边缘连接。其尺寸足以完全覆盖预定范围的常规文件（或其他物品），在一个实施例中，其侧壁从较宽的底部（可能比预定文件长）逐渐变窄至较窄的顶部（通常比预定文件短），使得预定文件的侧边至少部分可见，以证明其存在于口袋中。一条窄弹性带将每个相对的侧边连接到外表面上的位置，该位置位于预定文件相对边缘的外侧，使得文件可以滑入口袋而不会受到弹性带与外表面之间接合的干扰。然而，弹性带产生的张力足以通过口袋盖在文件上保持夹持摩擦力，但允许口袋盖扩张以在需要时容纳较厚的物品，包括用于装饰口袋盖的机械装置。在示例性实施例中，弹性带可小于侧边总长度的一半。
Original abstractThis invention provides a padfolio, portfolio, case, bag or other business accessory that carries, on an exterior surface, a pocket flap that is typically open at the top edge and joined at a bottom edge. It has a size sufficient to completely cover a predetermined range of conventional documents (or other items), and in one embodiment, has side walls that taper from a wider bottom that may be longer than the predetermined documents to a narrower top that is typically shorter than the predetermined documents so that the side edges of the predetermined documents are at least partially visible to evidence their presence in the pocket. A narrow elastic strip joins each of the opposing side edges to the exterior surface at a location along the exterior surface that is outboard of opposing edges of the predetermined documents so that they may slide into the pocket free of interference for the joint between the elastic strips and the exterior surface. The tension generated by the strips is, however, sufficient to maintain holding friction, via the pocket flap on the documents, but enables expansion of the flap to admit thicker items when desired, including machinery for providing decoration to the flap. In an illustrative embodiment, the strips may be less than one half the total length of the side edges.
专利附图（8）
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