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Patent:US2533443


Patent:US 2533443
Titel:Computing Device
Datum:12.12.1950
Ort:New York (NY), USA
Land:USA
Person:Farbman, William (P)
Firma:
Links im Rechnerlexikon:Scheibenaddierer
Schlagworte:
Link zum Patentamt:
(ohne Garantie)
 US2533443 (espacenet),  US2533443 (uspto)


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US2533443 Bild

This invention relates to computing devices and more particularly to an adding machine pr the like of0 the type that may be carried about in a pocket such as of a vest or coat etc.
... cut ...
Another object of this invention, is to provide a series of numbering wheels arranged to perform operations of addition, multiplication or division and wherein each wheel directly actuates a succeeding wheel and is arranged to effectively by-pass a preceding wheel without interfering therewith. This, objective is accomplished, moreover, by a minimum of component parts insuring cheapness of manufacture as well as ease of operation.