US PATENT SUBCLASS 200 / 343
.~.~.~ Hinged button (e.g., piano key)

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

237  DF  ELECTRIC SWITCH DETAILS {5}
329  DF  .~ Actuators {9}
341  DF  .~.~ Push button {4}
343.~.~.~ Hinged button (e.g., piano key)

DEFINITION

Classification: 200/343

Hinged button (e.g., piano key):

(under subclass 341) Subject matter wherein the push button is connected in a flexible manner to a supporting structure permitting pivotal motion of the push button in only one plane pivoted about an axis along the connection.