Chapter CXLIII: Section 77: Spindles and Centres

(_See also p. 164._)

=2424. Lathe fast headstock spindle,= showing coned journals and adjustments.

=2425. Attachment of a loose end centre to a shaft,= with coned end, which prevents the hole bursting from cross strain on the centre.

=2426. Hook centre pin,= easily disengaged.

=2427. Stud centre,= with washer riveted on or secured by a nut.

=2428. Ram or trunk piston centre= for connecting rod, fastened by an internal nut.

=2429. Ram or trunk piston centre,= screwed into the piston.

=2430. Ram or trunk piston centre,= with a transverse pin passed right through the piston.

=2431. Swaying ball centre.=

=2432. Rocking or swaying centre.=

=2433. Rocking or swaying centre.=

=2434. Eyelet centre= for two or more levers.

=2435. Centre pin, with lug and screw,= to prevent it from working out.

=2436, 2437 & 2438. Methods of fitting up connecting rod centres= in trunk pistons or rams.