US PATENT SUBCLASS 188 / 128
.~.~.~ Sled

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
110  DF  .~ Automatic {3}
*  DD  .~.~ Vehicle {11}
128.~.~.~ Sled

DEFINITION

Classification: 188/128

The brakes of the sled are operated when the draft-animals hold back.

(1) Note. Search subclasses iindented under "Operators, Automatic, Vehicle, Auxiliary mechanism on tongue," for similar action with wagons.