The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[1339]. Wooden shaft with end ferrules and iron end centres.

[1340], [1341], & [1342]. End view and sections of ditto, solid hexagonal and hollow circular.

[1343], [1344], & [1345]. Arrangements of line shafting in a machine-shop or factory, with or without overhead travelling crane.

[1346]. Example of a line shaft, showing bearings (see [Section 46]), couplings (see [Section 16]), pulleys (see [Section 3]), and gearing (see [Sections 3], [84]).

Shafts to be used as rollers are usually made hollow of wrought iron or other metal tube, tin plate, zinc plate, or sheet iron riveted; or sometimes, as [No. 1342], of wood laggings fixed to solid polygonal blocks or centres, either continuous or in short pieces fixed at intervals.

See also [next Section (77)].

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Section 77.—SPINDLES AND CENTRES.

[1347]. Spindle with sunk end bearings.

[1348]. Spindle with one sunk bearing and one collar.