| |
Class Information
Number: 411/216
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Having structure to restrict rotation of threaded, mating pieces (e.g., nut lock) > Structure is coaxial, distinct member (e.g., washer, key, or nut portion) that restricts nut piece > Member or portion includes an axially disposed key
Description: Device wherein at least one of the distinct members consists in large part of a portion resembling a dowel, pin, rod, etc., which portion is positioned generally parallel to the longitudinal axis of the threaded elements and usually is received in part in each of them, thus tending to form a positive interlock therebetween.
Sub-classes under this class:
Patents under this class:
|
|
|
