Society of Glass Technology · [Sheffield] · leaf 488
nded by the action of springs, 43, 57. The shaft, 18,is given a step-by-step motion from a cam, C, through a rocking-shaft lever, 23, a slide and pawl, 20, and a ratchet-wheel, 19, thecam-shaft, 16, being driven through worm-gearing by the mainbelt-driven shaft, 6. The grinding-wheels, A, B, on… … Fig. 65. motion to side shafts, 70. This motion is transmitted to slidethe grinding-wheel shafts towards the glass by links, 72, 73, andauxiliary shafts, 75, slidably mounted in sliding blocks, 63, 64.Sliding blocks, 83, are mounted in adjacent slides and are providedwith a feeler, 84, to limit the…
Glass
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