Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Fluent pressure actuated
Patent
1991-02-19
1992-05-26
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Fluent pressure actuated
411440, F16B 1304
Patent
active
051161753
ABSTRACT:
An anchoring assembly for attachment to a base material having a body with a hollow insertion portion with an open end and an expandable portion positioned behind said open end, an explosive cartridge movably housed within said insertion portion near to said open end and capable of moving from said insertion portion to said expandable portion when forces are applied thereto, and a firing pin housed within said body behind said cartridge for igniting said cartridge when said cartridge is moved from said insertion portion to said expandable portion, upon ignition causing an explosive discharge which outwardly deforms said expandable mid-section against said base material. Such assemblies provide anchorage to remote objects, when shot from a gun or rifle, and allow for attachment of ropes, hooks, ladders and other devices for firemen or mountain climbers.
REFERENCES:
patent: 169734 (1875-11-01), Schalck
patent: 1400401 (1921-12-01), Allan
patent: 2378118 (1945-06-01), Widrich
patent: 4271747 (1981-06-01), Bendler et al.
patent: 4909686 (1990-03-01), Bender et al.
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