Water retractor

Details Water retractor Water retractor

1974-10-23

1976-11-16

Peshock, Robert

A61C 1902

Patent

active

039914739

ABSTRACT:
The present invention provides apparatus for retracting water from the water supply line of a dental tool having a control valve actuated by pressurized pilot air. The apparatus retracts the water from the water supply line when the control valve is deactuated to prevent unwanted discharge of the water from the tool when the tool is no longer being used.

REFERENCES:
patent: 307516 (1884-11-01), Anson
patent: 3290003 (1966-12-01), Kessler
patent: 3718974 (1973-03-01), Buchtel et al.

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