. Appleton's dictionary of machines, mechanics, engine-work, and engineering. ature, and mode of operation will be fully understood by the following description: AAA, frame. B, lever, which moves the frame L L, together with the saw and roller D, which areall attached to frame L L. C, lever, by means of which lever B is moved. D D, concave rollers underwhich the stave passes. E E E E, standards to support D D. F F, circular saws, standing in a rakingposition, verging in opposite directions, so as to give the proper bevel to the edges of the stave. G GG G, raised pieces over which the stave pas
. Appleton's dictionary of machines, mechanics, engine-work, and engineering. ature, and mode of operation will be fully understood by the following description: AAA, frame. B, lever, which moves the frame L L, together with the saw and roller D, which areall attached to frame L L. C, lever, by means of which lever B is moved. D D, concave rollers underwhich the stave passes. E E E E, standards to support D D. F F, circular saws, standing in a rakingposition, verging in opposite directions, so as to give the proper bevel to the edges of the stave. G GG G, raised pieces over which the stave passes, which raised pieces together with the concave rollersD D form throats or slots just the thickness of the stave, and through which the stave is made to passH, a guide-piece to conduct the stave to the second saw. I, a light spring to press the stave against theguide-piece H. J, the end of the feed-chain which connects with the dresser. K K, dogs or hooks, at-tached to the endless chain and traversing in the curved slot S S S to carry forward the stave—the chain i< underneath, and does not appear in the engraving except at J. LL, movable frame that supportsthe saw, and that is attached to and acted upon by lever B to adjust the saw to the width of the , journal-box. P P, pulleys to drive the circular saw. O, pawls, or hold-fasts, to lever C. N N, weight an 1 rope that move lever B. Q Q, index beds. R, curved piece attached to lever B .dotted curved line ranging with the saw. and governing the feed of stave on that side. Operation.—The stave is deposited by the machine on the floor of the jointer, and is placed by handwith the back of the stave up, with one edge on the dotted lines, being the proper position for that edge STEAM. 655 to be jointed by the first saw, and with a single glance of the eye on the index lines on the near side thetender can see what width the stave will bear; if it is described, for instance, by the first line, the leverC is immed
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Keywords: ., bookcentury1800, booksubjectmechanicalengineering, bookyear1861
