Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1980-02-20
1982-02-16
Britts, Ramon S.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411341, F16B 1306
Patent
active
043157084
ABSTRACT:
Toggle (10) which can be set form-fittingly on the undercut surface of a bore, having an elongated fastening bolt (18) on whose bore-internal end locking elements (22) are mounted, which can be rocked outwardly by a conical component (28) disposed axially displaceably on the fastening bolt (18) from a position lying within the diameter of the bore (12) to a position engaging the undercut surface (17). The locking elements (22) are supported on a bottom piece (20) on the bore-internal end of the fastening bolt (18) and have the form of sleeve segments integrating, in the non-outspread position, a thick-walled sleeve. Between the axially displaceably disposed conical component (28) and a bolt head, or a nut (38), there is disposed a coil spring (32) which can be placed under bias by axial compression.
REFERENCES:
patent: 927064 (1909-07-01), Mower
patent: 2392491 (1946-01-01), Moran
patent: 2605668 (1952-08-01), Hollopeter
patent: 2771746 (1956-11-01), Fischer
patent: 2878709 (1959-03-01), Horvath
patent: 3403594 (1968-10-01), Newell
patent: 3709546 (1973-01-01), Vaughn
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