US PATENT SUBCLASS 102 / 231
.~.~.~ Centrifugal and setback operated

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

200  DF  IGNITING DEVICES AND SYSTEMS {15}
221  DF  .~ Arming devices {2}
222  DF  .~.~ Blocking or interrupting type {7}
231.~.~.~ Centrifugal and setback operated {3}
232  DF  .~.~.~.~> With or including a timing device {1}
234  DF  .~.~.~.~> Impacting device release
235  DF  .~.~.~.~> Rotor or slide with setback release {1}

DEFINITION

Classification: 102/231

Centrifugal and setback operated:

(under subclass 222) Subject matter in which the blocking or interrupting means arms the igniting device or system by a combination of centrifugal force and an inertial force due to linear acceleration.

(1) Note. The term "setback" as used in the art generally refers to accelerating force acting on an inertial mass caused by the launching of a missile.

(2) Note. The acceleration of this subclass type always increases velocity. Acceleration of the type which decreases velocity is referred to as deceleration (see for example subclass 246 below) and does not form a basis for classification in this subclass.