US PATENT SUBCLASS 194 / 269-- .~.~.~.~.~.~ And regulating escapement mechanism

US PATENT SUBCLASS 194 / 269
.~.~.~.~.~.~ And regulating escapement mechanism

Current as of: June, 1999
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194 /	HD	CHECK-ACTUATED CONTROL MECHANISMS

247	DF	INCLUDING PART LOCKED BY DETENT AND RELEASED BY CHECK {3}
260	DF	.~ Weight of check unlocks part {5}
261	DF	.~.~ Pivoted released part {3}
262	DF	.~.~.~ Unidirectionally pivoted {4}
267	DF	.~.~.~.~ Having motor for driving released part {3}
268	DF	.~.~.~.~.~ Spring motor {3}
269		.~.~.~.~.~.~ And regulating escapement mechanism

DEFINITION

Classification: 194/269

And regulating escapement mechanism:

(under subclass 268) Apparatus including a wheel adapted to be driven by the motor, either integral with or connected to the movable member, carrying a plurality of teeth on its circumference, and a catch member having a first pawl lockingly engaging the wheel and a second pawl spaced from the first pawl and out of engagement with the wheel; wherein the catch member shifts upon actuation, withdrawing the first pawl from engagement with the wheel and advancing the second pawl into locking engagement with the wheel, and the wheel turning through an arc determined by the pawls.