Head for checking linear dimensions of parts
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United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Mar 4, 1999
filing date -
Apr 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Head for checking linear dimensions of parts in machine tools or measuring machines, with a casing, a movable arm-set including an arm carrying a feeler for contacting the part to be checked, a biasing device arranged between the casing and the movable arm-set, a detecting device for providing a signal depending on the position of the movable arm-set, and two constraining systems--between the casing and the movable arm-set--both totally with force closure under the action of the biasing device, that eliminate, in a univocal way, the six degrees of freedom of the movable arm-set, one of the two constraining systems featuring a structure with rotational symmetry.
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