Expansion anchor assembly

Details Expansion anchor assembly Expansion anchor assembly

1986-06-30

1987-07-07

Holko, Thomas J.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Made up of plural expansible segments or sections

411 39, 411 45, 411 55, 411 57, 411 75, F16B 1304

Patent

active

046783830

ABSTRACT:
An expansion anchor assembly for use in a bore with an undercut section adjacent the base of the bore, includes an axially elongated expansion sleeve and an anchor bolt positioned within the sleeve with an expansion cone at one end of the bolt. The expansion sleeve is slit from one end for a portion of its axial length. By drawing the expansion cone into the slit end of the sleeve, the sleeve can be expanded. An expansion element is seated within a recess in the outside surface of the sleeve. The base of the recess has a decreasing depth in the direction toward the slit end of the sleeve. The expansion element secures the expansion anchor assembly within the bore.

REFERENCES:
patent: 3107569 (1963-10-01), Lerick
patent: 4052925 (1977-10-01), McCarthy
patent: 4293259 (1981-10-01), Liebig
patent: 4339217 (1982-07-01), Lacey
patent: 4482277 (1984-11-01), Schiefer
patent: 4484848 (1984-11-01), Ott
patent: 4519735 (1985-05-01), Taylor
patent: 4523880 (1985-06-01), Isler

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