Card – picture – or sign exhibiting – Changing exhibitor – Rotatable carrier for display item
Patent
1992-02-20
1994-09-06
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Changing exhibitor
Rotatable carrier for display item
74393, 74665GE, 474112, G09F 1102, F16H 3502
Patent
active
053436458
ABSTRACT:
A variable speed drive mechanism (4) is disclosed for use in conjunction with multi-sided prismatic convertible sign elements (22). A drive gear (32) driven at constant speed causes a mounting gear (23) to rotate at an angular velocity both slower than the angular velocity of the drive gear (32) and at a varying angular velocity. An idler gear (38) guides a flexible tension supporting element (31) as it travels between an equalizer gear (35) and the drive gear (32). A series of the drive trains (21) may be mounted adjacent to each other so as to permit a plurality of prismatic sign elements (22, 47, 48) to create a convertible sign.
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Bonifanti J.
Dorner Kenneth J.
Quality Manufacturing Incorporated
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