| 发明名称 |
HAND CALCULATOR, AND METHOD OF FABRICATING THE LIKE |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
CA1189039(A) |
申请公布日期 |
1985.06.18 |
| 申请号 |
CA19820414636 |
申请日期 |
1982.11.01 |
| 申请人 |
PICKIOS, ANTHONY G., C/O RICHARD L. MILLER, 3612 WOOLWORTH BUILDIN |
发明人 |
PICKIOS, ANTHONY G., C/O RICHARD L. MILLER, 3612 WOOLWORTH BUILDIN |
| 分类号 |
G06G3/00;G06G5/00;(IPC1-7):G06G3/00 |
主分类号 |
G06G3/00 |
| 代理机构 |
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代理人 |
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