Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Washer structure – Including means for retaining washer to fastener
Reexamination Certificate
2005-01-18
2005-01-18
Miller, William L. (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Washer structure
Including means for retaining washer to fastener
C411S432000
Reexamination Certificate
active
06843631
ABSTRACT:
The present invention concerns a nut (1) with a nut body (10) having an enlarged shoulder (15) and a turning plate (20) that is rotationally and inseparably arranged on the nut body, wherein the turning plate is shoved onto the nut body and secured by means of a locking element. According to the invention, the locking element is fashioned as a bead (26) provided on the nut body (10), so that the turning plate (20) is arranged between the enlarged shoulder (15) and the bead (26). Moreover, the present invention concerns a method for fabrication of such a nut, wherein the nut body (10) and the turning plate (20) are made by massive forming and, before or after shoving on the turning plate (20), an upsetting (26) is formed by pressing in the nut body (10), or during the fabrication of the nut body (10) a bead (26) is formed as a single piece in the nut body, so that the turning plate (20) is positioned between the enlarged shoulder (15) and the upsetting or the bead (26).
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patent: WO 0027653 (2000-05-01), None
Kriegsman & Kriegsman
Miller William L.
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