Centering device for a mechanical tracer
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United States of America Patent
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Apr 11, 1995
Grant Date -
N/A
app pub date -
Nov 15, 1993
filing date -
Nov 17, 1992
priority date (Note) -
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Abstract
A centering device for a mechanical tracer, with a flexural bar and at least two centering systems. Each centering system includes a pair of pistons which act on the flexural bar in opposite directions. A stop for one piston of each pair is provided, such that the piston bearing against the stop exerts, at least near the state of rest, twice as high a return force as the second piston of the pair. At least two centering systems are provided in order to impart different force/path characteristics to the tracer.
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