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:
Dec. 31, 1985
Filed:
Mar. 28, 1984
Hideo Sakata, Kawasaki, JP;
Hiroshi Yamashiro, Kawasaki, JP;
Mitutoyo Mfg. Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to a measuring instrument, and this measuring instrument comprises a main frame for axially movably supporting a spindle, a first tubular member having loosely inserted thereinto an engageable member projected from the spindle so as to axially move the spindle, a second tubular member coupled onto the first tubular member and having an elongate groove having inserted thereinto the engageable member, an outer tube coupled onto the second tubular member hand having a spiral groove engaging the forward end of the engageable member and a displacement value detector for detecting a displacement value of the spindle in the axial direction thereof, and the spindle is made linearly movable through the rotation of the outer tube.