An anchor assembly comprising an anchor device for a floor, and an article: the article having a moveable securing mechanism; the anchor device comprising an article securing arrangement to which the article can be secured; wherein the article securing arrangement defines a cavity (24, 124) to receive the moveable securing mechanism; wherein the article securing arrangement comprises a body comprising a base element (20, 120) to co-operate with the moveable securing mechanism in the cavity (24, 124) and secure the article to the anchor device, and the article securing arrangement further includes a cover element (22, 122) extending over the base element (20, 120), the base element (20, 120) and the cover element (22, 122) defining the cavity (24, 124), and the base element (20, 120) defines an aperture (21, 121) through which the article can be inserted upwardly into the cavity; wherein the anchor device further includes fastening means (38, 138) to enable the anchor device to be fastened to the floor; wherein the securing mechanism comprises a main part and a securing member, the securing member being pivotally mounted on the main part, and the article securing arrangement being configured to receive the securing mechanism through said aperture (21, 121) in the base element (20, 120); wherein the securing member is pivotally moveable relative to the main part from a non-securing position to allow the securing member to be inserted into the cavity (24, 124), to a securing position to secure the securing member in the cavity (24, 124) and thereby secure the article to the anchor device, whereby when the securing member is in the non-securing position, the securing member is substantially aligned with the main part, and when the securing member is in the securing position, the securing member extends transverse to the main part; and wherein the cavity (24, 124) is wider than the aperture (21, 121), whereby when the securing member is received in the cavity (24, 124), movement of the securing member to the securing position moves the securing member to a position in which it extends across the aperture (21, 121) to engage the base element (20, 120), thereby retaining the securing member in the cavity (24, 124), characterised in that the securing member engages the base element (20, 120) at regions of the base element (20, 120) opposite each other across the aperture (21, 121). the article having a moveable securing mechanism; the anchor device comprising an article securing arrangement to which the article can be secured; wherein the article securing arrangement defines a cavity (24, 124) to receive the moveable securing mechanism; wherein the article securing arrangement comprises a body comprising a base element (20, 120) to co-operate with the moveable securing mechanism in the cavity (24, 124) and secure the article to the anchor device, and the article securing arrangement further includes a cover element (22, 122) extending over the base element (20, 120), the base element (20, 120) and the cover element (22, 122) defining the cavity (24, 124), and the base element (20, 120) defines an aperture (21, 121) through which the article can be inserted upwardly into the cavity; wherein the anchor device further includes fastening means (38, 138) to enable the anchor device to be fastened to the floor; wherein the securing mechanism comprises a main part and a securing member, the securing member being pivotally mounted on the main part, and the article securing arrangement being configured to receive the securing mechanism through said aperture (21, 121) in the base element (20, 120); wherein the securing member is pivotally moveable relative to the main part from a non-securing position to allow the securing member to be inserted into the cavity (24, 124), to a securing position to secure the securing member in the cavity (24, 124) and thereby secure the article to the anchor device, whereby when the securing member is in the non-securing position, the securing member is substantially aligned with the main part, and when the securing member is in the securing position, the securing member extends transverse to the main part; and wherein the cavity (24, 124) is wider than the aperture (21, 121), whereby when the securing member is received in the cavity (24, 124), movement of the securing member to the securing position moves the securing member to a position in which it extends across the aperture (21, 121) to engage the base element (20, 120), thereby retaining the securing member in the cavity (24, 124), characterised in that the securing member engages the base element (20, 120) at regions of the base element (20, 120) opposite each other across the aperture (21, 121).