Patent ID: 7762599
Filing Date: 2010-07-27
Classification: B63B,B66C

Abstract:
1. A lifting anchor arranged for non-releasable fastening in an opening in a plate wall by means of an installation device, the lifting anchor comprising: a leg at one end provided with an attachment section arranged to be connected to a lifting device, and at an axially opposite end provided with a guide section; and a plurality of individual dogs encircling a middle section of the leg, a first end portion of each dog being provided with an outwardly facing gripping hook, and an operational abutment surface between the leg and each gripping hook forming a ramp arranged, upon axial movement of the dog along the surface of the leg in the direction of the guide section, to move the gripping hook axially outwards to a gripping position, wherein each dog is kept together with the adjacent dogs by at least one resilient element arranged to apply an essentially radially directed outward force to the first end section of each dog and an essentially radially directed inward force is applied to a second end portion of each dog through spring loading applied by the at least one resilient element.