Balance with selectable multiple reading scales

Weighing scales – Computer – Tabular-type computer

Patent

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Details

177229, G01G 2322, G01G 308

Patent

active

042805740

ABSTRACT:
Disclosed is a weighing balance having a material-receiving pan (3) and an indicator (4) that moves in a slot (5) of housing (1) to indicate the weight of the material along the graduated scale (6). On the opposite side of the slot (5) from the graduated scale (6) is provided a seat (7) defined by a wall (1a), end wall (9), base (2) and transparent wall (8) within which a notebook (11) is seated. The notebook (11) has a set of pages each carrying different graduation scales (13) along one edge thereof with a ring binding (12) arranged along the opposite edge thereof whereby the notebook (11) may be removed from the seat (7) and the pages moved about the ring binding (12) to bring a selected page to the front for visibility through the wall (8) when the notebook is again inserted in the seat (7).

REFERENCES:
patent: 823397 (1906-06-01), Craft
patent: 1610197 (1926-12-01), Brumser
patent: 1676052 (1928-07-01), Rogers
patent: 4119162 (1978-10-01), Ackeret
patent: 4223750 (1980-09-01), Perego

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