Building Age · Building Age Publishing Co. · leaf 87
stion, is to drive thedrum from underneath only, as this allows the use ofa shorter chain and the weight of the drum restingon the chain keeps the latter taut at all times. Asthere are only a few teeth which are in contact withthe chain, there is said to be no chance for the chainto ride off of the… … Fig. 3—Mechanism of the Underslung- Chain Drive ConcreteMixer Made by the T. L. Smith Co. circling the drum and being pulled together around thedrum. This invention is said to be not merely a newwrinkle, but a forward step in concrete mixer con-struction which will represent a big saving to the…
Architecture, Domestic · Designs and plans
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