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:
Apr. 27, 1982
Filed:
Feb. 25, 1980
Applicant:
Inventors:
Hiroshi Sugai, Kyoto, JP;
Shoji Nakayama, Kyoto, JP;
Assignee:
Kabushiki Kaisha Morita Seisakusho, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433132 ;
Abstract
This invention relates to a dental handpiece including turbine blades to be driven by a high-speed fluid under pressure to a turbine rotor chucking a cutting shaft, and blades are provided with openings or cutout portions located at both outside ends in a thrust direction of the blades so as to provide flange portions between the openings and the end portions of the blades and the peripheral width of the blades is larger than that of the high-speed fluid supply apperture.