Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Prefabricated assembly comprising strip or sheet member...
Patent
1992-04-13
1993-04-06
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Prefabricated assembly comprising strip or sheet member...
411104, 411553, F16B 2700, F16B 3700
Patent
active
051998360
ABSTRACT:
A T-nut having a lower head, and an upper shank, the shank fitting in the narrow portion of the T-slot. The head and the shank have chamfers and radiuses enabling the T-nut to be rotated in the T-slot, into active/locking position. On the shank, the radiuses dimensioned for either clearance or interference fit with the sides of the slot. In a second form, a locking washer positively locks the T-nut in active position. Also included is an arrangement of spacers and T-nuts for mounting a drill through plate on the table of the milling machine.
REFERENCES:
patent: 3908330 (1975-09-01), Frach et al.
patent: 4575295 (1986-03-01), Rebentisch
patent: 4784554 (1988-11-01), Break
patent: 4830531 (1989-05-01), Condit et al.
patent: 4840525 (1989-06-01), Rebentisch
patent: 5076748 (1991-12-01), Waterfield et al.
Gallagher Paul H.
Wilson Neill R.
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