Patentdatenbank   USA  

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)

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.