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:
Jan. 20, 1981
Filed:
Feb. 21, 1979
Eugen Eibofner, Biberach, DE;
Ernst Strohmaier, Bad Schussenried, DE;
Kaltenbach & Voigt GmbH & Co., Biberach, DE;
Abstract
A dental handpiece having a holding sleeve, a driven shaft rotatable in the holding sleeve to drive a dental instrument, a driving device releasably connected to the holding sleeve and having a drive shaft which is drivingly connected to the driven shaft via a drive-transmission unit which is removably mounted in the holding sleeve. The unit comprises a bearing sleeve which houses one or more shafts, and optionally a ball-type planetary transmission, and is mountable in and removable from the holding sleeve through an end of the holding sleeve remote from the instrument end of the handpiece. The bearing sleeve is secured in the holding sleeve against axial and rotational movement relative to the holding sleeve.