Self-piercing nut for use with thick panels
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United States of America Patent
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-
N/A
Issued Date -
Aug 25, 2005
app pub date -
Feb 7, 2005
filing date -
Feb 24, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A self-piercing nut for use with relatively thick metal panels has four independent posts (9) formed integral with respective corners of a nut body (2) and providing four seat faces (10). The pilot portion (6) has an end face (7) for punching a hole in the panel is projected beyond the seat faces, and the nut body (2) is a pressed boron steel article entirely hardened by the quenching method so as to show a strong piercing force. Height `H` defined between a bottom of the panel engaging groove (8) and the pilot portion end face (7) is generally equal to maximum thickness of the metal panel. Further height `h` defined between the seat face (10) of each corner post (9) and the pilot portion end face is generally equal to minimum thickness of the panel.
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