US PATENT SUBCLASS 194 / 274
.~.~.~.~.~.~ Having regulating escapement mechanism

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
273  DF  .~.~.~.~.~ Weight motor {2}
274.~.~.~.~.~.~ Having regulating escapement mechanism

DEFINITION

Classification: 194/274

Having regulating escapement mechanism:

(under subclass 273) Apparatus including a wheel adapted to be turned by the weight, 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 is turned through an arc determined by the pawls.