Precision balance with scale on top
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United States of America Patent
Stats
-
Dec 5, 1989
Grant Date -
N/A
app pub date -
Mar 15, 1989
filing date -
Mar 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an electric precision balance with scale on top, protected against the penetration of foreign bodies and with a low-displacement measuring system (1), a parallel-guided balance scale carrier (3) for a balance scale (11) which is guided without contact through a housing opening (4) of a surrounding system housing (2) or protective cap, the balance scale carrier (3) is designed for its part with its part running upward outside of the system housing (2) as a protective hood (8) which covers the system housing (2) at least at the top and the sides and which comprises receiving bearings (9) at the low edge (8') for intermediary members (10) which support the balance scale (11), said intermediary members are surrounded without contact by casings (12) which form foreign-body baffles open at the top and the bottom which are a component of a general housing (7) surrounding the system housing (2) and said general housing comprises drainage openings (17,17') located in its low bottom parts.
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