Staggered flip-page display folder
US4441270A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1982 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Aug 11, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multi-page folder having a staggered array of interleaved pages successively flipped by manual actuation of a drawstrip. The folder includes a back cover panel bounded by a right fold line joining it to an overlying contiguous base panel, a central slot formed near the fold line joining the back panel and the base panel, a distal segmented tab extending from the base panel away from the right fold line, a plurality of substantially parallel fold lines traversing and subdividing the tab into plural segments, an elongated drawstrip joined to the last tab segment most remote from the right fold line and extending between the back cover panel and the base panel through the central slot longitudinally movable from a retracted position substantially flattening the segmented tab to an extended position protruding through the central slot beyond the right fold line and curling the segmented tab under the base panel toward the slot. The individual separate pages are respectively secured to individual segments of the segmented tab and interleaved in staggered array protruding alternately toward opposite sides of the elongated drawstrip and the segmented tab, whereby progressive movement of…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.