US PATENT SUBCLASS 172 / 271
.~ Frangible lock (e.g., shear pin, etc.)

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

Internet Version by PATENTEC © 1999      Terms of Use


172 /   HD   EARTH WORKING

261  DF  OVERLOAD SHIFTING {6}
271.~ Frangible lock (e.g., shear pin, etc.)

DEFINITION

Classification: 172/271

(under subclass 261) Apparatus wherein the element is rigidly held in place by means destructible upon the occurrence of a predetermined overload.

(1) Note. The destructible means is usually a break pin.

SEE OR SEARCH CLASS

280, Land Vehicles,

451, for articulated vehicles having an overload release of the frangible type.