1976-08-16
1978-10-10
Kinsey, Russell R.
32DIG3, A61C 1902
Patent
active
041188667
ABSTRACT:
A dental air-water handpiece control system for operating a plurality of handpieces and an air-water syringe including a plurality of control pedals equal in number to the number of handpieces and each having a needle valve responding to the distance the pedal moves when operated. Replaceable control modules are also included, with each module servicing a single handpiece and having a main control valve regulating air-water flow to the handpiece it services. Diaphragms control the operation of the main control valves and a laminated base plate defines channels for air and water flow through the unit.
A water pressure regulator and an air gauge are also provided in the system.
REFERENCES:
patent: 3673709 (1972-07-01), Page
patent: 3886660 (1975-06-01), Thornton, Jr. et al.
McCracken Mark M.
Ross Robert G.
Kinsey Russell R.
Parkell Products, Inc.
Swiatek Robert P.
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