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:
Oct. 28, 1986
Filed:
Oct. 12, 1984
Walter Weber, Lorsch, DE;
Doris Frank-Voeglein, Zwingenberg, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
The present invention is directed to a dental spray handpiece for agents such as air and water having a nozzle member with a discharge orifice at one end and a connecting element at the other end and a housing forming a grip piece for the dental handpiece containing an arrangement for controlling flow of the agents and a connection to a supply hose with the nozzle and having a coacting element forming a rotary joint characterized by the nozzle member having a light conductor extending from the discharge orifice up to the rotary joint and a light source being provided in the vicinity of the rotary joint and in optical communication with the other end of the light conductor so that light is conducted through the nozzle and projected out of the nozzle adjacent to the discharge opening.