US PATENT SUBCLASS 114 / 157
.~.~.~ Right and left

Current as of: June, 1999
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114 /   HD   SHIPS

144 R  DF  STEERING MECHANISM {14}
154  DF  .~ Wheel-shaft gearing {2}
155  DF  .~.~ Screw {2}
157.~.~.~ Right and left {1}
158  DF  .~.~.~.~> Intermediate gear

DEFINITION

Classification: 114/157

Wheel-shaft gearing involving right and left screws or worms operating the rudder, one or both of the screws being upon the wheel-shaft.