Patent ID: 8857132

Claim:
An anchor for installation in a lightweight construction panel ( 100 ) including first and second spaced hard-material cover plates ( 101 , 111 ) with a support core structure ( 121 ) disposed between the first and second cover plates ( 101 , 111 ), the anchor being insertable into a support bore ( 130 ) formed in the construction panel ( 100 ) so as to extend through the first cover plate ( 101 ) and through the support core ( 121 ) and into a dead end bore ( 115 ) extending into the second cover plate ( 111 ), said anchor comprising an expansion body ( 10 ) including a mounting means and a wedge body ( 60 ) movably disposed in the expansion body ( 10 ), the expansion body ( 10 ) having an upper seating section ( 20 ) with an essentially cylindrical zone ( 21 ) for accommodation at least partly in a bore section ( 105 ) of the support bore ( 130 ) extending through the first cover plate ( 101 ), an intermediate area forming an engagement section ( 40 ) with at least two integral elastically inwardly flexible engagement elements ( 42 ) formed at the upper end thereof and a lower area forming a spreading section ( 50 ) with at least two clamping elements ( 52 ) extending downwardly for accommodation in the dead end bore ( 115 ) of the second cover plate ( 111 ), said wedge body ( 60 ) with the anchor uninstalled being disposed in an accommodation section next to a downwardly narrowing cavity ( 51 ) formed in the expansion body ( 10 ), said anchor, when inserted into the support bore ( 130 ) being in engagement at its top with the first cover plate ( 101 ), with the engagement elements ( 42 ) being spread out behind the first cover plate ( 101 ) in contact with the first cover plate ( 101 ) and the clamping elements ( 52 ) being spread apart by the wedge body ( 60 ) moved into the narrowing cavity ( 51 ) into firm radical engagement with the second cover plate ( 111 ).