Hand calculator, and method of fabricating the like

Details Hand calculator, and method of fabricating the like Hand calculator, and method of fabricating the like

G - Physics

06

G

235/27

G06G 3/00 (2006.01) G06G 5/00 (2006.01)

Patent

CA 1189039

ABSTRACT A method of fabricating a hand calculator utilizing die press punching to form its three parts. A circular stationary base plate has a central, circular, raised, beveled portion which is rigidly fixed to a circular stationary top plate by means of flared eyelets. Between these two parts is a circular movable scale plate etched with scales, punched with a plurality of holes about its periphery to allow for pencil point movement. - 8 -

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