. Illustrated catalogue and general description of improved machine tools for working metal . ng and turning-feeds, instanth^ change-able from one to the other when both are in gear with spindle. Longitudinalfeed and screw-cutting feed cannot be engaged at the same time. Turning-feedstopped and started instantly by positive clutch. Direction of turning-feed con-trolled by lever on saddle. Compound swivelling slide-rest with power cross-feed. Lead screw used for screw-cutting only, supported through its entirelength, and protected from chips. Maximum swing over bed, 20; over slide-rest, i5>^
. Illustrated catalogue and general description of improved machine tools for working metal . ng and turning-feeds, instanth^ change-able from one to the other when both are in gear with spindle. Longitudinalfeed and screw-cutting feed cannot be engaged at the same time. Turning-feedstopped and started instantly by positive clutch. Direction of turning-feed con-trolled by lever on saddle. Compound swivelling slide-rest with power cross-feed. Lead screw used for screw-cutting only, supported through its entirelength, and protected from chips. Maximum swing over bed, 20; over slide-rest, i5>^ diameter. Improved friction discs, giving instantly any feed requiredbetween limits. Largest lift of cone-pulley, 13. Width of belt, 2^. Com-plete with countershaft, wrenches, full set of change-gears, water-can, extra face-plate, and steady-rest. Countershaft pulleys, 10 diameter, for 3 open and cross-belts, and should make 112 and 224 revolutions per minute. Fo/lo:c-irst atid , if required, extra. 86 Wm. Sellers & Co., Incorporated, Philadelphia, Pa, Plate No. 26 LATHE.—Triple-Geared, Turning and Screw-Cutting Feeds. Flat-top shear, with vertical guiding surfaces. Poppet-head lined by un-der V clamp. Concentric hold-fast for poppet-spindle at both ends of screw-cutting and turning feeds, instantly changeable from one tothe other, when both are in gear with spindle. Longitudinal feed and screw-cut-ting feed cannot be engaged at the same time. Turning-feed stopped and startedinstantly by positive clutch. Direction of turning-feed controlled by lever onsaddle. Compound swivelling slide-rest, with power cross-feed. Lead screw,used for screw-cutting only, supported throughout its entire length, and protectedfrom chips. Maximum swing over bed, 25; over slide-rest, 19Ji friction discs, giving instantly any feed required between lift of cone pulley, 17. Width of belt, 2j4 Complete with counter-shaft, wrenc
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
