Title:
DENTAL HAND PIECE
Document Type and Number:
Japanese Patent JPS5547849
Kind Code:
A
Abstract:
A dental handpiece includes a drive shaft rotatably supported interiorly thereof, the drive shaft being hollow at least at the operating end thereof and having an internal thread; and a tubular friction collet in the hollow space having an external thread end evidencing in the inoperative condition thereof inwardly bent resilient tongues formed by a plurality of slits for the receipt and gripping of the shaft of an implement. The external thread of the friction collet is arranged at the implement-sided end thereof as in a threaded collet, the friction collet having an external conical surface and the hollow drive shaft having an internal conical surface cooperating with the external conical surface.
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Inventors:
OIGEN AIBOFUNAA
Application Number:
JP9212279A
Publication Date:
April 05, 1980
Filing Date:
July 19, 1979
Export Citation:
Assignee:
KALTENBACH & VOIGT
International Classes:
A61C1/14; B23B31/20; (IPC1-7): A61C1/14
Domestic Patent References:
| JPS38489Y1 | ||||
| JPS49104493A | 1974-10-03 |