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:
Mar. 12, 2024
Filed:
Oct. 10, 2019
J. Morita Mfg. Corp., Kyoto, JP;
Kazunari Matoba, Kyoto, JP;
Kyohei Kato, Kyoto, JP;
J. MORITA MFG. CORP., Kyoto, JP;
Abstract
A root canal treatment instrumentcontinues drive of a cutting toolin forward rotation drive until reaching 180 degrees, and when a load applied to the cutting toolis equal to or greater than a reference load, drive of the cutting toolis switched to reverse rotation drive until reaching 90 degrees. In the root canal treatment instrument, when a cumulative amount of rotation is equal to or greater than a reference amount of rotation, change to a drive pattern is made, forward rotation drive is continued until reaching 90 degrees, and when a load applied to the cutting toolis equal to or greater than the reference load, drive of the cutting toolis switched to reverse rotation drive until reaching 180 degrees.