Expansion anchor

Details Expansion anchor Expansion anchor

1998-07-17

1999-07-06

Saether, Flemming

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

Having separate expander means

Including sleeve and distinct tapered expander

411 40, F16B 1306

Patent

active

059190175

ABSTRACT:
An expansion anchor including a sleeve-shaped anchor body (1, 21, 31, 41) having a through-bore (6, 26, 36, 46), an expansion region (4, 24, 34, 44) with longitudinal slots (5, 25, 35, 45) and a rear section (2, 22, 32, 42) provided with a load application element (3, 23, 33, 43), and an expansion member (7, 27, 37, 47) located in the through-bore (6, 26, 36, 46) and axially displaceable in the through-bore (6, 26, 36, 46) for radially expanding the expansion region (4, 24, 34, 44), with the expansion member (7, 27, 37, 47) being formed as a sheet metal stamped part having, at least regionwise, a dimension exceeding a dimension of a portion of the through-bore (6, 26, 36, 46) associated with the expansion region (4, 24, 34, 44).

REFERENCES:
patent: 4002100 (1977-01-01), Bucheli
patent: 4642008 (1987-02-01), Herb
patent: 4690598 (1987-09-01), Herb
patent: 4869630 (1989-09-01), Revol et al.
patent: 5765979 (1998-06-01), Mader et al.

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