Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1992-10-19
1994-01-04
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 34, 411 42, 411 45, F16B 1304, F16B 1306
Patent
active
052755193
ABSTRACT:
An anchor bolt for anchoring in a hole of an arbitrary component includes a tension bolt having a threaded portion and an adjoining frustoconical head portion. An expanding sleeve has a polygonal cross section, a female-threaded portion and an adjoining anchoring portion to be expanded in sectors by the frustoconical head portion of the tension bolt when the tension bolt is screwed into the female-threaded portion of the expanding sleeve. The polygonal cross section of the expanding sleeve has sides with middle regions and axially parallel predetermined breaking lines each being formed in the middle region of a respective one of the sides for dividing the sides into partial lateral surfaces. Each two of the partial lateral surfaces extend outwardly from a respective one of the predetermined breaking lines and rise toward one another at an obtuse angle.
REFERENCES:
patent: 626040 (1899-05-01), Rowlands
patent: 2958070 (1960-10-01), Brewer et al.
patent: 5123791 (1992-06-01), Rockenfeller et al.
Hainke Elisabeth
Hainke Hans U.
Greenberg Laurence A.
Hainke Elisabeth
Lerner Herbert L.
Wilson Neill R.
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