Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Prefabricated assembly comprising strip or sheet member...
Patent
1989-05-05
1990-09-18
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Prefabricated assembly comprising strip or sheet member...
411166, 411378, 411427, F16B 2700, F16B 3900, F16B 3300
Patent
active
049574027
ABSTRACT:
A T-nut is disclosed for accurately affixing work beds to the base of a machine. The preferred nut comprises a generally flat head; a shank that is integral with and extends upwardly from the head; and a pair of furrows --one on each side of the shank, at its juncture with the head. The furrows are designed to straddle the burrs sometimes found in the T-slots of a machine base, so that the nut will sit flush within the slot, rather than be canted.
REFERENCES:
patent: 2281482 (1942-04-01), Crayton
patent: 2632355 (1953-03-01), Becker
patent: 3456549 (1969-07-01), Horton
patent: 3456706 (1969-07-01), Ollis, Jr.
Excerpts from the Flexible Fixturing Systems, Inc. catalog, entitled "Hadler Modular Jig and Fixture System 70"--May 1988 edition.
Carter Frank E.
Klein Georg D.
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