Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1986-02-10
1987-04-28
Peshock, Robert
Dentistry
Apparatus
Having intra-oral dispensing means
433131, 433126, A61C 110, A61C 112
Patent
active
046610600
ABSTRACT:
A dental handpiece with a built-in electric motor for the drive of a dental treating implement which is arranged at one end of the handpiece. The implement is suppliable with a cooling medium through a cooling medium conduit in the handpiece; whereby the handpiece is detachably connectable with a current provider at its end which is distant from the implement, in which the current provider possesses electrical current supply contacts which are supplied with electrical current and which, upon the connection of the current provider with the handpiece, come into contact with current commutator or receiving contacts of the electric motor. The handpiece can be selectively supply-main or battery powered; in essence, unrestrictedly operated whereby, as a consequence of the cooling medium conduit which is fixed on the handpiece and the cooling medium supply conduit which is fixed on the at least one electrical current supply past, this automatically assures a concurrent secure and rapid separation and connection of the cooling medium conduit and cooling medium supply conduit upon the separation and connection of the handpiece and the current provider.
REFERENCES:
patent: 4060870 (1977-12-01), Cannarella
patent: 4315741 (1982-02-01), Reichl
patent: 4619614 (1986-10-01), Baba
Kaltenbach & Voigt GmbH & Co.
Peshock Robert
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