Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 266
SPUR-GEARED HOISTING CRAB.Special Design for Use with Overhead Hoist for Riveting Machines. 24 by 4>^ pulleys. Should make 300 revolutions per minute. Drum,18 diameter. Load sustained by patent frictional retaining device. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 261 Plate No. 216. … SPUR-GEARED HOISTING CRAB.—with Weston Retaining Clutch. This machine was designed for use with light overhead hoist for riveting-machines, up to five tons capacity. It is driven by open and cross belts. Is pro-vided with a hand adjustment through 4 ft. hand-wheel, enabling fine adjust-ments to be…
Machine-tools · Machinery
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