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. 30, 2002
Filed:
Dec. 10, 1999
Applicant:
Inventor:
Richard Kardeis, Bürmoos, AT;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/716 ; A61C 1/08 ;
U.S. Cl.
CPC ...
A61B 1/716 ; A61C 1/08 ;
Abstract
A medical handpiece, particularly a dental handpiece, for use with an internally cooled tool, wherein the tool has an axial hollow space into which the cooling fluid is conducted in an essentially radial direction through a bore of the tool shaft, and wherein the bore is arranged between two axially spaced apart sealing members which are arranged in the handpiece head and which seal the handpiece head relative to the tool shaft. The sealing surfaces of the sealing discs extend relative to the tool axis of the tool shaft essentially in a normal, conical or spherical direction.