Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1981-05-22
1984-03-20
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 73, 411412, 411417, F16B 1314
Patent
active
044378041
ABSTRACT:
A mounting element for mounting an object on a support structure has an elongated expansion sleeve member insertable into a mounting hole of the support structure and having a longitudinal opening, and an elongated expander member insertable into the longitudinal opening so as to expand the expansion sleeve member and having a round thread and a pointed profile thread arranged on the peaks and/or valleys of the round thread and having a pitch corresponding to the pitch of the latter.
REFERENCES:
patent: 2242758 (1941-05-01), Ruggieri
patent: 2380724 (1945-07-01), Crooks
patent: 3083609 (1963-04-01), Lovisek
patent: 3199398 (1965-08-01), Weisz
Smith Gary L.
Striker Michael J.
Wilson Neill
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