Improvements in Machines for Boring and Planing Torpedo Tubes and the like.

摘要

28,735. Muir &. Co., W., and Melloy, J. H. Dec. 17. Boring planing an shaping.-In machines for boring and planing torpedo tubes &c.. the tool bar is steadied by movable supports a, Fig. 1, carried on the bed between each end bearing c, and the tube support d. The supports a'are adjustable by rack-and-pinion gear on brackets b, which are provided with setting-up wedges k. The tool bar g is circular in outline but is provided within this line with recesses g1 and projections g2, Fig. 2, to form guideways for the tool head such that the planing- sleeve h, when the boring-collar i has been removed, can slide freely over the supports a.