Apparatus for dimensional and/or geometric checking of mechanical parts
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United States of America Patent
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Aug 19, 2008
Grant Date -
Aug 23, 2007
app pub date -
Sep 29, 2005
filing date -
Oct 1, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A checking apparatus, for example a plug gauge, for checking diameters and/or geometrical features of mechanical parts includes a support structure (1) and checking means (20,21) coupled to the support structure, with mutually movable feelers (36) for contacting the surface of the part and transducer means for providing electrical signals. The support structure includes at least two studs (11,12) that achieve a guide along a longitudinal axis, and the checking means are coupled to the studs in a removable and adjustable way along such longitudinal axis. Several checking means can be coupled to the studs. A particular embodiment foresees three flanked studs and checking means coupled to pairs of adjacent studs. An adapting system allows the feelers to self-center on the part to be checked, for example the surface of a hole.
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