US PATENT SUBCLASS 187 / 373
.~.~ Actuated by load support speed governor or sensor

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

351  DF  HAVING SPECIFIC MEANS CONTACTING OR ON LOAD SUPPORT FOR STOPPING OR SLOWING THEREOF {4}
359  DF  .~ Includes movable contact component on support for engaging shaft structure {4}
373.~.~ Actuated by load support speed governor or sensor {2}
374  DF  .~.~.~> Pivotally attached contact component {1}
376  DF  .~.~.~> Slidable contact component having wedge shape or sliding along incline

DEFINITION

Classification: 187/373

Actuated by load support speed governor or sensor:

(under subclass 359) Retaining, halting, or retarding means in which the relatively movable engaging part has its operation induced by regulating or detaching means which either measures or is responsive to changes in the velocity

of the load-underlying support surface.

SEE OR SEARCH CLASS

188, Brakes,

180+, and 189 for a speed-responsive brake.