US 7,578,072 B2
Digital indicator and method for using the digital indicator
Shuji Hayashida, Kawasaki (Japan); Aki Hiroshima, Kawasaki (Japan); Rie Arai, Kawasaki (Japan); and Takefumi Kiwada, Kawasaki (Japan)
Assigned to Mitutoyo Corporation, Kawasaki (Japan)
Filed on Nov. 26, 2007, as Appl. No. 11/984,981.
Claims priority of application No. 2006-320716 (JP), filed on Nov. 28, 2006.
Prior Publication US 2008/0120862 A1, May 29, 2008
Int. Cl. G01B 3/22 (2006.01)
U.S. Cl. 33—832  [33/701] 2 Claims
OG exemplary drawing
 
1. A digital indicator, comprising:
a main body;
a spindle provided to the main body, being slidable in an axial direction and having a contact portion on one end, the contact portion abutting to a to-be-measured portion;
a detector detecting an absolute displacement amount of the spindle relative to the main body; and
a display displaying the displacement amount of the spindle relative to the main body detected by the detector, wherein
the spindle is slidable in a direction to the opposite side of the contact portion beyond the detectable range in which the detector can perform detection.