US PATENT SUBCLASS 212 / 92
.~.~.~ Gravity return

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


212 /   HD   TRAVERSING HOISTS

71  DF  OVERHEAD {7}
76  DF  .~ Cable {8}
87  DF  .~.~ Draft-rope, hoist-rope traverse {5}
92.~.~.~ Gravity return {1}
93  DF  .~.~.~.~> Cable

DEFINITION

Classification: 212/92

Gravity return:

(under subclass 87) Systems of the type in which the hoisting rope moves the carriage in one direction, it being returned by gravity.