Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Made up of plural expansible segments or sections
Patent
1978-12-01
1981-10-06
Britts, Ramon S.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Made up of plural expansible segments or sections
411 38, 411 65, F16B 1308
Patent
active
042932599
ABSTRACT:
Toggle which can be set against the face of an undercut provided within a bore, and having an elongated bolt, on whose bore-internal end locking elements are mounted, which, by means of a conical component disposed for axial displacement on the bolt, can be expanded outwardly from a position in which they are within the diameter of the bore to a position in which they engage the face of the undercut. The locking elements are supported on a bottom piece on the end of the bolt within the bore, and are in the form of segments of a thick-walled cylinder when in the retracted position. A variety of anti-rotational means are provided to prevent the toggle from turning during the setting operations.
REFERENCES:
patent: 626040 (1899-05-01), Rowlands
patent: 703796 (1902-07-01), Lakhovsky
patent: 1120409 (1914-12-01), Rohmer et al.
patent: 1878600 (1932-09-01), Pleister
patent: 2392491 (1946-01-01), Moran
patent: 3283640 (1966-11-01), Ono
patent: 3296919 (1967-01-01), Williams
patent: 3403594 (1968-10-01), Newell
patent: 3735665 (1973-05-01), Mortensen
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