Metal expansible anchor
Assigneefischerwerke Artur Fischer GmbH & Co. KG
InventorsArtur Fischer, Dirk Elger
Life of this patent
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Abstract
An expansible anchor for anchoring in a hole drilled in a concrete part has a shaft having a rear end for fastening an article and a front end with a portion of reduced cross-section and an adjoining expander cone; a slide-enhancing sleeve arranged on the shank, an expansible sleeve arranged on the shank and on the slide-enhancing sleeve, the slide-enhancing sleeve being formed as a thin-walled plastic sleeve having a continuous longitudinal slit and arranged on the reduced portion of the shank, the plastic sleeve having a stop edge that abuts the expansible sleeve and formed so that the slide-enhancing sleeve is pushable with the stop edge onto the expander cone when the expander cone is drawn into the expansible sleeve.
Claims6
An expansible anchor for anchoring in a hole drilled in a concrete part, comprising a shaft having a rear end for fastening an article and a front end with a portion of reduced cross-section and an adjoining expander cone;
- a slide-enhancing sleeve arranged on said shank;
- an expansible sleeve arranged on said shank and on said slide-enhancing sleeve, said slide-enhancing sleeve being formed as a thin-walled plastic sleeve having a continuous longitudinal slit and arranged on said reduced portion of said shank, said plastic sleeve having a stop edge that abuts said expansible sleeve and formed so that said slide-enhancing sleeve is pushable with said stop edge onto said expander cone when said expander cone is drawn into said expansible sleeve.
Dependencies are inferred from the claim text.