Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Prefabricated assembly comprising strip or sheet member...
Patent
1989-04-07
1990-04-17
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, 411427, F16B 2700, F16B 3700, F16B 3506
Patent
active
049175530
ABSTRACT:
A sliding nut (16) or sliding screw is intended for insertion into C-bars (10) having inwardly pointing marginal webs (14). In the mounted condition, the marginal webs (14) engage longitudinal grooves (22) of the nut (16) or of the screw head. The longitudinal grooves (22) are provided with projections which, during tightening of the nut and screw assembly against the C-bar, cause the marginal webs (14) to deform. At least one projection is formed by a lateral curvature or by an obtuse- or acute-angled deflection of the side wall of a longitudinal groove (22) such that it laterally bends a marginal web (14) in arcuate manner or cuts into it.
REFERENCES:
patent: 4285379 (1981-08-01), Kowalski
patent: 4460299 (1984-07-01), Kowalski
patent: 4486133 (1984-12-01), Pletcher
patent: 4575295 (1986-03-01), Rebentisch
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