Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 105
The objections to this coupling were the difficulty of fittingand the loosening of the keys, which made a creaking noisewith every revolution of the shaft. Another coupling, still in use, is the disc. It consistsof two discs or flanches, one on the end of each shaft, boltedtogether by four bolts,… … ON COUPLINGS. 81 was superior to all the preceding, when ptoperly bored andturned, so as to have its faces accurately perpendicular to theshafting. The best coupling for general purposes, and the most accurateand durable, is the circular half-lap coupling, introduced into myown works nearly forty…
Mills and mill-work · Machinery
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
