US PATENT SUBCLASS 187 / 277
.~.~ With specific electrical component

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

250  DF  HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL {6}
276  DF  .~ Includes control for power source of drive-means {6}
277.~.~ With specific electrical component {9}
278  DF  .~.~.~> Actuated by movement of building (e.g., seismic activity)
279  DF  .~.~.~> Actuated by presence of obstruction in shaft
280  DF  .~.~.~> Actuated by location of access barrier or its lock
281  DF  .~.~.~> Actuated by excessive load
282  DF  .~.~.~> Actuated by load support contacting trip in shaft {1}
285  DF  .~.~.~> For fluid-type power source {1}
287  DF  .~.~.~> Includes safety cut off switch actuated by load support speed sensor or governor
288  DF  .~.~.~> Control actuates mechanical braking means for power source
289  DF  .~.~.~> For electric power source {5}

DEFINITION

Classification: 187/277

With specific electrical component:

(under subclass 276) Subject matter wherein the control* is provided with a particular part for receiving input information or effecting the regulating operation powered by an electric current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

308, for an electrically actuated latch for holding the manual input component of a control* for the power source of drive-means* for an elevator.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers, digest 26 for a circuit maker or breaker operated when a lifting cable becomes slack (e.g., cable breaks).

318, Electricity: Motive Power Systems, appropriate subclasses for electric motor controls, per se.