US PATENT SUBCLASS 411 / 1
TORQUE RESPONSIVE NUT OR BOLT DRIVING CONNECTION


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

Internet Version by PATENTEC © 1999      Terms of Use



411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

1TORQUE RESPONSIVE NUT OR BOLT DRIVING CONNECTION {2}
2  DF  .~> Frangible connection {1}
6  DF  .~> Resilient connection {1}


DEFINITION

Classification: 411/1

TORQUE RESPONSIVE NUT OR BOLT DRIVING CONNECTION:

(under the class definition) Subject matter wherein a holding device is either (a) provided with a driving section which is disconnectable from the holding device when a twisting force in excess of a predetermined limit is applied thereto or (b) yieldably urged into engagement with a cooperating element and moves into a noncooperating position upon the application of excessive torque.

SEE OR SEARCH THIS CLASS, SUBCLASS:

402+, for externally threaded fasteners (e.g., screws and bolts, etc.) having specific head driving structure.