Card – picture – or sign exhibiting – Display device with magnetically moved object
Patent
1977-10-26
1979-12-11
Pitrelli, John F.
Card, picture, or sign exhibiting
Display device with magnetically moved object
46139, G09F 1900
Patent
active
041775929
ABSTRACT:
A miniature animated display having figures magnetically coupled to magnets on a trapezoidal plate. A motor driven linkage moves the trapezoidal plate in a manner such that the figures appear to move randomly.
REFERENCES:
patent: 2471002 (1949-05-01), Mohr
patent: 2645880 (1953-07-01), Richter
patent: 3510949 (1970-05-01), Christy
patent: 4037358 (1977-06-01), Rosenbaum
Pitrelli John F.
Ruck Engineering, Inc.
Skillington G. Lee
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