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. 25, 1984
Filed:
Jan. 26, 1984
Applicant:
Inventor:
Shosaku Kawada, Kanuma, JP;
Assignee:
Nakanishi Dental Mfg. Co., Ltd., Kanuma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433104 ; 433126 ;
Abstract
A dental handpiece has a powerhead assembly connected to a hollow handle portion including a tube supplying air under pressure, a water tube and an exhaust tube, a holding sleeve held to the hollow handle portion and a rotatably and detachable connecting means. The tube supplying air under pressure is connected through an interconnecting tube to a flexible air tube, the water tube is connected to a flexible water tube and the exhaust tube is connected to a flexible exhaust tube respectively while permitting the holding sleeve and the connecting means to rotate relative to each other about the longitudinal axis of the handpiece with a limited angle.