US PATENT SUBCLASS 213 / 13
.~.~ Vertically

Current as of: June, 1999
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213 /   HD   RAILWAY DRAFT APPLIANCES

7  DF  CUSHIONED {9}
12  DF  .~ Radially movable {5}
13.~.~ Vertically {1}
14  DF  .~.~.~> Combined horizontally

DEFINITION

Classification: 213/13

(under subclass 12) Means wherein the movement of the draft device is in a vertical direction.