Expansion dowel
AssigneeHilti Aktiengesellschaft
InventorsHeinz Bisping, Alois Kölbl, Jürgen Wieser, Claudia Zimmerer
Life of this patent
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Abstract
An expansion dowel having a cylindrical expansion body (1) having a through-bore (3) and formed of at least two segments (4a, 4b) connected with each other, an additional expansion element (7) located in a recess (8) formed in an outer profile (6) of the expansion member (1) and having a radial depth of the recess (8) diminishing in a setting direction (S) of the expansion dowel; the additional expansion element (7) having a radial extent at least partially greater than a maximal dept of the recess (8).
Claims7
An expansion dowel, comprising a cylindrical expansion body (1) formed of at least two segments (4a, 4b) and having a through-bore (3) with an inner shaped profile, and a recess (8) formed in an outer profile (6) of the expansion body (1) with a radial depth of the recess (8) diminishing in a setting direction (S) of the expansion dowel;
- an additional expansion element (7) located in the recess (8) and having a radial extent at least partially greater than a maximal depth of the recess (8);
- and means (11, 12) for connecting the at least two segments (4a, 4b) with each other.
Dependencies are inferred from the claim text.