US PATENT SUBCLASS 340 / 390.1
.~.~ Rotary actuator

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

384.1  DF  AUDIBLE INDICATION {11}
388.1  DF  .~ Diaphragm (e.g., horn or buzzer) {7}
390.1.~.~ Rotary actuator {1}
390.2  DF  .~.~.~> Having spring

DEFINITION

Classification: 340/390.1

Rotary actuator:

(under subclass 388.1) Subject matter comprising a driving mechanism operated by an electric motor to move in a circular motion for mechanically agitating the diaphragm.

SEE OR SEARCH CLASS

116, Signals and Indicators,

143+, for nonelectrical rotary striker diaphragm horns.