| 摘要 |
778,416. Davits. MARINE & ALLIED INDUSTRIES (C. & I.), Ltd. Dec. 5, 1955 [Dec. 4, 1954], No. 35160/54. Class 115. In a davit comprising a stand 10, a davit arm 12 and a link 14 pivotally connected to the stand at 15 and pivotally supporting the arm at 13, a resilient device, e.g. a leaf spring 16, interposed between the arm 12 and the link 14 is stressed during inboard movement of the arm so as to assist in the outboard movement of the arm. |
