| 摘要 |
PURPOSE: A stockless anchor is provided to increase the gripping force of an anchor according to seabed soil conditions because the angle of an arm is controlled by adjusting the length of chains. CONSTITUTION: A stockless anchor comprises a shank(4), an arm(2), chains(1), and rings(7). The shank is firmly manufactured by charging mortar, sandy soil, or spoils into a hollow pipe so that the weight of the anchor can be increased. The arm is fitted in a through-hole(6) of the shank and is vertically moved by external force. The rings are arranged in one side of the arm to detachably install the length-adjustable chains. The length of the chains is controlled by a shackle to control the angle of the arm so that the gripping force of the anchor can be reinforced.
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