Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 394
1586. BALL-BEARING SCREW JACK.—The balls run in grooves between the bearingplates. 1587. HYDRAULIC TRANSFER JACK.—For lifting cars or transferringover temporary rails. The extension ofthe truck axles allows for adjustment toany gauge railroad. … 1588. RAIL-CUTTING SAW.—The saw isdriven by a trundle pinnion meshing in the teethof the saw and geared up to the crank. Thesaw is fed by a screw moving the gear framedown on the rail. 1589. PROUTY-NOBLE AUTO-MATIC, OR SELF-WINDINGBRAKE.—The central chain spool 3runs loose on the car axle and…
Mechanical movements
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