Biological safety cabinet with window counterbalance
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United States of America Patent
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-
Sep 24, 1991
Grant Date -
N/A
app pub date -
Apr 24, 1990
filing date -
Apr 24, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A biological safety cabinet vertical lift assist system employing one or more pneumatic springs operatively connected to the cabinet and sliding window to counterbalance the window's weight to provide a substantially constant brake force spring resulting in smoother and easier operation of the window.
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Cited Art Landscape
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