Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Patent
1998-12-28
2000-08-29
Dayoan, B.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Nut, and means to engage substructure on its opposite faces...
411176, 411113, 411183, F16B 3704, F16B 3900
Patent
active
061098493
ABSTRACT:
A tee nut includes a shaft portion and a flange portion outwardly extending from a first end of the shaft portion. The shaft portion includes a step around the periphery thereof at on an intermediate position of its axial length, a forward end side cylindrical portion having a hollow cylindrical shape located between the second end of the shaft portion and the step, and a base end side enlarged cylindrical portion having inner and outer diameters larger than those of the forward end side cylindrical portion. The forward end side cylindrical portion includes a predeterminate caulked part formed over a prescribed length from the second end and a female screw forming part between the step and the predeterminate caulked part. The length of the forward end side hollow cylindrical portion including the female screw forming part can be relatively reduced, and hence the length of the female screw forming part is not increased beyond the minimum necessary to comply with a standard such as ISO standard even if the shaft portion is very long. Thus, no additional working is required in a threading step using a tap and the productivity of the tee nut can be improved.
REFERENCES:
patent: 3515028 (1970-06-01), Patton
patent: 4439078 (1984-03-01), Dessouroux
patent: 4541761 (1985-09-01), Bryce, Jr.
patent: 5195854 (1993-03-01), Nagatana
patent: 5238344 (1993-08-01), Nagayama
patent: 5348432 (1994-09-01), Nagayama
patent: 5429466 (1995-07-01), Nagayama
patent: 5564873 (1996-10-01), Ladouceur et al.
patent: 5618144 (1997-04-01), Leistner
patent: 5863164 (1999-01-01), Leistner
JIS B 1052:1998; JIS Japanese Industrial Standard; pp. 1-39.
Dayoan B.
Fasse W. F.
Fasse W. G.
Nagayama Electronic Industry Co. Ltd.
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