US PATENT SUBCLASS 14 / 68
.~.~.~.~ Vertically swinging


Current as of: June, 1999
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14 /   HD   BRIDGES

31  DF  DRAW {10}
50  DF  .~ Gates {2}
*  DD  .~.~ Bridge operated {2}
*  DD  .~.~.~ Shaft rotation {4}
68.~.~.~.~ Vertically swinging {1}
69  DF  .~.~.~.~.~> Locking


DEFINITION

Classification: 14/68

(under subclass 50) Shaft rotation bridge operated gates, which are vertically-swinging.