EXPANSION ANCHOR

• Main Author: SHIMAHARA, Hideki
• Format: Patent
• Language: English; French; German
• Published: 21.02.2024
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

Expansion anchor having an anchor bolt, an expansion sleeve, and a wedge body located in a front region of the anchor bolt for wedging the expansion sleeve, wherein the expansion sleeve has a front face facing the wedge body, wherein at least one expansion slit is provided within the expansion sleeve, wherein the expansion slit has a mouth that is located adjacent to the front face, a stem that adjoins the mouth and a head that adjoins the stem, wherein the head is wider than the stem, and wherein the stem is located between the head and the mouth, wherein the stem is delimited by a first flank and by a second flank, characterized in that the first flank and the second flank are both non-planar throughout, so as to form at least one widening and at least one narrowing along the stem.