Display device of louvre arrangement
US4209926A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1978 |
| Grant date | Jul 1, 1980 |
| Priority date | — |
| Expiry date | Sep 21, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F11/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device of louvre arrangement wherein a display or exhibit is constituted by a group of parallel interleaved strips which are arranged in overlapping relation. The display device has a plurality of such groups. The display device has a driving mechanism having a cam arrangement, driving device, connecting members and a guide device, and cam followers each having an arm at the upper portion. The display device further comprises a frame structure releasably engaged with the connecting members of the driving mechanism, and elongated rigid elements movable together with the strips. Each elongated rigid element has an engaging member for contacting the arm of the cam follower to thereby shift the rigid elements and strips of one group in cooperation with a vertical movement of the cam followers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.