Axial movement linear gauging head
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United States of America Patent
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-
Jul 13, 2004
Grant Date -
N/A
app pub date -
May 10, 2002
filing date -
Nov 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A linear gauging head, for example a 'cartridge' head, includes a casing (1), a spindle (11), movable with respect to the casing along a longitudinal axis, a feeler (13') coupled to a first end of the spindle, and a differential position transducer with windings (15, 16, 17), stationary with respect to the casing, and a core (18) coupled to a second end of the spindle. The spindle includes longitudinal grooves (12) and is guided by means of an axial bearing (22) with rolling elements (23) that cooperate with the grooves for allowing the spindle to translate with respect to the casing along the longitudinal axis, and concurrently prevent it from rotating about said axis.
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