Expansion dowel assembly

Details Expansion dowel assembly Expansion dowel assembly

1983-12-08

1985-12-24

Dorner, Kenneth J.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 54, 411 55, 411 79, F16B 1304

Patent

active

045603111

ABSTRACT:
An expansion dowel assembly includes an axially extending dowel and an expansion member. In the expansion step the expansion member is axially displaced over a surface on the dowel providing form-locking engagement of the dowel assembly within a borehole. The surface on the dowel, over which the expansion member is displaced, is made up of two serially arranged axially extending surface sections. Each surface section is disposed at a different acute angle to the dowel axis.

REFERENCES:
patent: 1251566 (1918-01-01), Pigott
patent: 3460429 (1969-08-01), La Torre
patent: 3566739 (1971-03-01), Lebar
patent: 4427327 (1984-01-01), Herb

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