US PATENT SUBCLASS 116 / 143
.~.~ Rotary striker

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

137 R  DF  HORNS, WHISTLES AND COMPRESSIONAL WAVE GENERATORS {6}
142 R  DF  .~ Diaphragm horns {2}
143.~.~ Rotary striker {2}
144  DF  .~.~.~> Toothed wheel {1}
146  DF  .~.~.~> Ball contacts

DEFINITION

Classification: 116/143

(under subclass 142) Devices in which the diaphragm is caused to vibrate by the blows of a rotating body, usually pivoted or sliding hammers, on a rotating disk or wheel.

(1) Note. The means for rotating the wheel may be a manually-operated arrangement or a conventional electric motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

58, for vehicle energy actuated pneumatic signals.

SEE OR SEARCH CLASS

340, Communications: Electrical,

390.1+, for similar subject matter where the rotating hammers are electrically actuated.