US PATENT SUBCLASS 188 / 180
.~.~ Regulators

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
*  DD  .~ Speed-responsive {2}
180.~.~ Regulators {6}
181 R  DF  .~.~.~> Vehicle {3}
182  DF  .~.~.~> Fluid and electric control
184  DF  .~.~.~> Transversely expanding {1}
186  DF  .~.~.~> Transversely contracting
187  DF  .~.~.~> Axially moving
188  DF  .~.~.~> Strand-engaging

DEFINITION

Classification: 188/180

The brake is applied in response to speed condition of the machine. The regulator recovers and assumes its normal condition on decrease of speed.

SEE OR SEARCH CLASS

73, Measuring and Testing,

488+, for a speed responsive device, per se.

74, Machine Element or Mechanism,

336+, for speed-controlled gears.

160, Flexible or Portable Closure, Partition, or Panel,

291+, for roll devices having means for retarding or stopping the roll, or for holding the roll to prevent undesired rotation. 182, Fire Escape, Ladder, or Scaffold,

75, 234, and 239 for a reel type self-lowering escape with a regulator or brake on reel.

187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle, appropriate subclasses, especially

250+, for a specific elevator load support drive means or its control.

192, Clutches and Power-Stop Control,

147,.

475, Planetary Gear Transmission Systems or Components,

254+, for condition responsive control in planetary gear transmission systems.