Class 411/227 - Comprising one or more discrete members serving as a pawl and ratchet

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the means comprises one or more distinct
No. of patents: 3
Last issue date: 02/06/2007

Number	Title	Issue Date
7172380	Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut...	02/06/2007
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
6860693	Rapid fastening screw apparatus and method A press-in fastening apparatus and method couples a screw with a nut by pushing the screw through an opening of the nut along a slip axis and rotating the nut to align a lock axis with the inserted screw. The opening of the nut along the slip axis has a diameter gre...	03/01/2005

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