Expansion anchor for engagement in a hole

Details Expansion anchor for engagement in a hole Expansion anchor for engagement in a hole

1992-08-07

1994-02-08

Wilson, Neill R.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 60, 411 65, F16B 1306

Patent

active

052844099

ABSTRACT:
An anchor comprising a core including first and second ends and a cylindrical portion between said ends, the first end including means for engaging with a body to be anchored, and the second end terminating in a portion which is enlarged gradually. A sleeve engages telescopically around the cylindrical portion and has an end adjacent the second end of the core. Expanders which normally form an annulus when positioned together are provided, the annulus engaging slidably with the cylindrical portion. Each of the expanders has an engaging end which abuts on and engages with the end of the sleeve. Means is provided on the expanders for at least provisionally binding them around the core.

REFERENCES:
patent: 4519735 (1985-05-01), Machtle
patent: 4611485 (1986-09-01), Leslie
patent: 4613264 (1986-09-01), McIntyre et al.
European Patent Office Search Report, dated Nov. 26, 1992, in a companion patent application.

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