Teaching clock having indicia carrier allowing curvilinear trans

Details Teaching clock having indicia carrier allowing curvilinear trans Teaching clock having indicia carrier allowing curvilinear trans

1991-05-10

1992-12-01

Mancene, Gene

Education and demonstration

Telling time or calendar reading

G09B 1912

Patent

active

051675072

ABSTRACT:
The invention relates to an eductional aid for teaching children to tell the time. The aid includes a face and at least one pointer rotatable about a centrally disposed axis relative to the face. A carrier is provided which carries indicia which are position behind the face. The face includes apertures through which at least some of the indicia can be seen. A knob for moving said carrier is also provided so that the indicia may be selectively displayed through the apertures.

REFERENCES:
patent: 1024195 (1912-04-01), Gothberg
patent: 2705387 (1955-04-01), Handler et al.
patent: 3364599 (1968-01-01), Polsky
patent: 3967389 (1976-07-01), Brooks

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