Dentistry – Apparatus – Including activator or regulator for controller or drive
Patent
1985-01-25
1987-06-30
Wilson, John J.
Dentistry
Apparatus
Including activator or regulator for controller or drive
433 28, 433 98, A61C 102
Patent
active
046767509
ABSTRACT:
A dental drill system including a multiple of drills operated through a modular control setup by a single foot control unit. The moduler control setup includes an individual module for each hand drill, a syringe block, and a manifold to which the foot control unit is connected. The foot control unit produces the controlling functions by pressurizing different ones of a plurality of air lines connected into the manifold. Multiple orifices extended through the modules and into the manifold provides common air pressure from the foot control lines to each of the modules, and is referred to as a primary orifice network. A secondary orifice network in each module taps into the primary orifice and converts the foot control line pressures into the various dental drill functions i.e. drilling with cooling air, drilling with mist air and chip air. A valve structure in each module is activated by a dental drill holding arm to open and close the interconnection between the first and second orifice networks in response to removal and placement of the dental drill in the holder.
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Harrington Robert L.
Wilson John J.
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