Card – picture – or sign exhibiting – Changing exhibitor – Rotatable carrier for display item
Patent
1991-02-01
1993-11-09
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Changing exhibitor
Rotatable carrier for display item
40504, 40305, G09F 1102
Patent
active
052591352
ABSTRACT:
An improved mode of construction is provided for a display device of the kind comprising an array of triangular-section slats rotated in synchronism in 120.degree. steps to present repeatedly to view, in sequence, three compound display surfaces, each carrying a respective poster or the like. In embodiments of the invention, each slat has a respective bearing and driving module with a respective rotary member releasably drivingly engaging the slat and with a respective cam, driving the rotary member and driven in turn by a driving shaft, passing through the cams of the bearing and driving modules of all of the slats. The bearing and driving modules are received in a stack within a hollow extrusion which forms one side member of a frame of the display device. The opposite side member of the frame receives a stack of bearing members rotatably supporting the opposite ends of the respective slats.
REFERENCES:
patent: 676396 (1901-06-01), Heinemann
patent: 1637579 (1927-08-01), Long
patent: 3304638 (1967-02-01), Grandell et al.
patent: 3383785 (1968-05-01), Werner
Bannister Brian C.
Duncan David
Morgan James N.
Rivers-Bland Simon A.
Davis Cassandra Hope
Dorner Kenneth J.
Marler Haley Exposystems Limited
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