Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1992-01-06
1992-10-13
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 57, 403371, F16B 1306, F16B 710
Patent
active
051545586
ABSTRACT:
A blind anchor capable of anchoring a smooth rod in a hole drilled in an existing structure. The blind anchor consists of a cylindrical expansion sleeve having a cylindrically tapered aperture and a jaw cluster that fits within the expansion sleeve. The expansion sleeve may be slotted to facilitate expansion and may include external ribs to firmly grip the interior of the hole. The jaw cluster is fashioned from a plurality of jaw members that are expandably retained together in a notched retaining ring. The connections between the blind anchor, the smooth rod, and the hole are beneficially reinforced when the rod experiences a pulling force away from the hole.
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