Child's magic drawing board

Details Child's magic drawing board Child's magic drawing board

1992-06-01

1995-02-28

Mancene, Gene

Education and demonstration

Means for demonstrating apparatus, product, or surface...

Chalkboard or equivalent means having easily erasable surface

B43L 112

Patent

active

053932315

ABSTRACT:
A magic drawing board comprises a base, an opaque sheet mounted on the base, a flexible transparent sheet anchored along one edge thereof to the base, and a coupling mechanism comprising a coupling element on the base and a mating coupling element on the opposite edge of the transparent sheet for locating the transparent sheet in superposed position on the opaque sheet under uniform tension over the area of superposition, resulting in a higher quality image.

REFERENCES:
patent: 4763929 (1988-08-01), Weil
patent: 5083925 (1992-01-01), Maruyama

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