US PATENT SUBCLASS 84 / 227-- .~.~.~.~.~ Spring fulcrum

US PATENT SUBCLASS 84 / 227
.~.~.~.~.~ Spring fulcrum

Current as of: June, 1999
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84 /	HD	MUSIC

1	DF	INSTRUMENTS {9}
173	DF	.~ Stringed {10}
174	DF	.~.~ Pianos {19}
216	DF	.~.~.~ Expression devices {5}
225	DF	.~.~.~.~ Pedal mechanism {5}
227		.~.~.~.~.~ Spring fulcrum

DEFINITION

Classification: 84/227

One of the levers is carried on a spring instead of on bearings.