Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member preassembled with substructure at through-passage or...
Patent
1999-06-16
2000-06-20
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411113, 411353, F16B 2118, F16B 3900
Patent
active
060770104
ABSTRACT:
A tubular stem (16) of a bolt mount (12) is coldexpanded into an opening (70) in a wall (72). A second wall (76) is placed against the first wall (72), with an opening (70) in it in alignment with the center opening (32) in the tubular stem (16). An elongated shank portion (88) of a tubular nut (86) is inserted through the opening (70) and then through a center opening (32) in the tubular stem (16), and into an annular space (58) defined by and between a tubular sidewall (48) of a bolt-element retainer (14) and a bolt-element (54). The tubular bolt (86) has internal threads (90) that mesh with and thread onto external threads (56) on the bolt-element (54). The tubular nut (86) is rotated until a head (84) on its end is in tight clamping engagement with the portion of the second wall (76) that surrounds the opening in the second wall. Tightening of the tubular nut (86) draws the bolt-element retainer (14) and the tubular nut (86) together, firmly connecting the second wall (76) to the first wall (72).
REFERENCES:
patent: 3868806 (1975-03-01), Dey
patent: 4594040 (1986-06-01), Molina
patent: 4616967 (1986-10-01), Molina
patent: 5076747 (1991-12-01), Cosenza
patent: 5399053 (1995-03-01), Duran
patent: 5468104 (1995-11-01), Reid et al.
Copple Charles M.
Johnson Timonth H.
Reid Leonard F.
Barnard Delbert J.
Fatigue Technology Inc.
Wilson Neill
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