d hook, the members of The guard comprises essentially a spring-band coiled which freely receive the links, and also engage a pair this bearing and, acting in conjunction with the cush- about and extending over the head of the projecting ion and rear hinge joint, serve the same function as of disks… … called in Russia ‘‘lejka,” signifying lying down or state A CHAIN-WRENCH FOR PIPES AND SHAFTS. A GUARD of repose. It is in fact a kind of hibernation, as will The toothed disks are firmly forced into engagement. be seen from the description which has been given. with the outer pipe-surface, so that…
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