(under the class definition) Adjustable inductor devices in which the number of effective turns of a coil is changed by winding or unwinding the conductor forming the coil.
(1) Note. The following is an illustrative example: [figure]
SEE OR SEARCH THIS CLASS, SUBCLASS:
20, for adjustable inductor devices wherein the inductance change is effected by distorting or misshaping a coil conductor and/or core of the regulator.
116, and 137+, for other adjustable inductor devices wherein the inductive change is effected by altering the effective length of the coil conductor by means other than winding and/or unwinding the conductor.
184, for inductor devices with coils having different axis or on different core legs. SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
10+, and the subclasses specified in the notes thereto for mechanical mechanism for rotating a shaft including such mechanism designed for use with an adjustable inductor device. Also see the search notes to subclass 10 of Class 74 for the classification of other rotary shaft moving mechanism and for the line between Class 336 and Class 74.
191, Electricity: Transmission to Vehicles,
12.2+, for an electric current supply conductor and reel means upon which the conductor may be wound.
242, Winding, Tensioning, or Guiding,
370+, for a reeling device of general use.
334, Tuners,
38, for tuners having a reactor element which is adapted to be wound or unwound upon a core or form.
338, Electrical Resistors,
79, for mechanically variable electric resistors in which the resistance value is varied by winding the resistance element from one core to another.
343, Communications: Radio Wave Antennas, 700+, for radio antennae in which the effective length of the antenna is changed by winding the radiating element of the antenna in or out.
