Expansion bolt assembly

Details Expansion bolt assembly Expansion bolt assembly

1986-07-14

1988-03-15

Wilson, Neill

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

Having separate expander means

Including sleeve and distinct tapered expander

411418, 405259, F16B 1306, E21D 2000

Patent

active

047309660

ABSTRACT:
An expansion bolt assembly includes an anchor bolt with a conically shaped expansion head at one end arranged to be drawn into an expansion sleeve. At the opposite end, the anchor bolt forms a plurality of axially extending projections protruding radially outwardly from the anchor bolt shank. The axially extending projections are spaced circumferentially apart around the anchor bolt and the outer surface of the projections are threaded to receive a nut. The anchor bolt can be produced in an extrusion process with great material economy.

REFERENCES:
patent: 1858733 (1932-05-01), Flachbart
patent: 3306051 (1967-02-01), Howlett
patent: 3316797 (1967-05-01), Williams
patent: 3347077 (1967-10-01), Erdelyi
patent: 3702060 (1972-11-01), Cumming
patent: 3861636 (1975-01-01), Diener

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