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:
May. 19, 2009
Filed:
Aug. 17, 2007
Osamu Saito, Kawasaki, JP;
Masamichi Suzuki, Kawasaki, JP;
Osamu Saito, Kawasaki, JP;
Masamichi Suzuki, Kawasaki, JP;
Mitutoyo Corporation, Kawasaki-Shi, JP;
Abstract
A caliper gauge () includes a feeding mechanism () that moves a slider () along a main scale (), in which the feeding mechanism () includes: an outer roller (); an inner roller () provided in a manner rotatable around a rotary axis of the outer roller () to be in contact with the main scale (); and a constant-pressure unit () that transmits the rotation of the outer roller () to the inner roller () and allows free rotation of the outer roller () relative to the inner roller () when more than a predetermined load is applied on the inner roller (), the constant-pressure unit () including: saw-toothed projections provided on an inner circumference of the outer roller (); and a plate spring fixed on an outer circumference of the inner roller () at a midsection thereof and contacted with the saw-toothed projections of the outer roller () on both ends thereof.