Lubricating device for rotating parts, especially a rotating hollow shaft
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United States of America Patent
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-
Sep 14, 1999
Grant Date -
N/A
app pub date -
Mar 9, 1998
filing date -
Mar 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for lubricating a rotatable member such as a hollow shaft on which another member is axially displaceable, has a lubricant container received in the hollow shaft and in which a piston is displaceable by a gas generated by a gas-generating cell or by a motor-driven spindle. The electrical circuit includes a centrifugal-force sensor received in the container and having switches connected in that circuit so that when a certain speed of rotation is reached, the lubricant is dispensed and the circuit is de-energized upon standstill.
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