Mechanical drawing self-taught: comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers (1883)
f the mechanism in Figure267 ; and Figure 269 shows an end view of the yoke.At R, in Figure 268, is shown a guide through whichthe yoke-stem passes so as to be guided to move in astraiQ:ht line, there beinor a oruide of this kind on eacliside of tlu! yoke, Th(i two cams are bolted to a collar that… … Fig. 268.To enable a certain amount of adjustment of the cams 236 MECHANICAL DRAWING SELF-TAUGHT. Upon the collar, the bolts which hold them to the collarfit closely In the holes In the collar, but the cams areprovided with oblong bolt holes as shown, so that theposition of either cam, either with…
Mechanical drawing
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