Class 411/229 - Axially directed, resiliently biased detent means

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the internally threaded elements are secured
No. of patents: 1
Last issue date: 03/21/2006

Number	Title	Issue Date
7014404	Nut member with tightness-indicating protrusions and loosening-preventing recesses A nut member has first and second end faces and corners, and is formed with a plurality of protrusions, each of which is disposed at a respective corner and each of which has a lateral inner face that extends from the second end face, and a plurality of recesses, ea...	03/21/2006

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