Numeral adding toy

A numeral adding toy including an arrangement for rotationally indexing in a cooperative manner two rotary wheels displaying numerals to be added and a single rotary wheel displaying the added sum answer by means of a rotationally indexing mechanism including pins or ratchets. The wheel displaying t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ISHIYAMA, SHOZO
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS CALCULATING COMPUTING COUNTING DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTEDMECHANICALLY GAMES HUMAN NECESSITIES PHYSICS SPORTS TOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS
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Beschreibung
Zusammenfassung:	A numeral adding toy including an arrangement for rotationally indexing in a cooperative manner two rotary wheels displaying numerals to be added and a single rotary wheel displaying the added sum answer by means of a rotationally indexing mechanism including pins or ratchets. The wheel displaying the added answer is rotated the summed number of indexes of the two wheels displaying the numerals to be added. The wheels, having been rotationally indexed, are rotationally returned by means of a releasing mechanism.