The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2002
Filed:
Apr. 11, 2000
Yuwu Zhang, Kawasaki, JP;
Masaoki Yamagata, Kawasaki, JP;
Hiroyuki Tokito, Kawasaki, JP;
Yoichi Nomura, Kawasaki, JP;
Bunji Aoyama, Kure, JP;
Mitutoyo Corporation, Kawasaki, JP;
Abstract
A linear measuring machine is provided, the linear measuring machine having a base ( ), a column ( ) disposed on the base, a slider ( ) elevatable along the column and an elevation driving mechanism ( ) including a motor for lifting and lowering the slider. The linear measuring machine further includes a touch-and-back mechanism for driving the elevation driving mechanism in a direction for a probe ( ) to move away from a measurement surface of the workpiece after fetching a detection value of a displacement sensor ( ) when the probe touches the measurement surface of the workpiece and for stopping the elevation driving mechanism.