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:
Mar. 23, 1982
Filed:
Jul. 09, 1980
Werner Schuss, Heppenheim, DE;
Hans J Klose, Hemsbach, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
A dental handpiece comprising a drive section with a drive shaft for driving a tool receiving socket mounted for rotation in an end of a handle section which handle section is coupled for relative rotation on the drive section, said dental handpiece having at least one cooling medium line being formed by a line segment arranged in each of said sections for conveying the medium to a nozzle adjacent the socket, and a rotatable coupling for the cooling medium lines characterized by the rotatable coupling being formed by a first and second sleeves being telescopically assembled together for relative rotation, one of said sleeves having an annular groove for each of the cooling medium lines and the other of the two sleeves having a radial opening in communication with each of the annular channels, said sleeves being detachably connected to the respective section to rotate therewith.