Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1991-09-09
1993-03-16
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 61, 411 71, F16B 1306
Patent
active
051939576
ABSTRACT:
The fixing element for securing an article on a base material includes a shank having a shank portion for receiving an article to be fixed, a reduced diameter portion having opposite ends including a free end and an expander cone located at the free end; and an expansible resilient sleeve received on the reduced diameter portion and having at an end remote from the expander cone lugs which are bent inwards at one obtuse angle. The lugs have end surfaces facing a transition shoulder between the other end of the reduced diameter portion and the shank portion. The expansible resilient sleeve has a length greater than the length of the reduced diameter portion. The expandsible resilient sleeve also has, in an unstressed condition, a sleeve outer diameter larger than the shank portion diameter and a sleeve inner diameter larger than said reduced diameter portion diameter.
REFERENCES:
patent: 3703119 (1972-11-01), Lerich
patent: 3709089 (1973-01-01), Seetaram
patent: 3855896 (1974-12-01), Kaufman
patent: 4287807 (1981-09-01), Pacharis et al.
patent: 4609316 (1986-09-01), Oettl
patent: 4648767 (1987-03-01), Fischer
patent: 4688977 (1987-08-01), Seetaram
fischerwerke Artur Fischer GmbH & Co KG
Lindsey Rodney M.
Striker Michael J.
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