he same function as of disks to close the wrench. When the chain is passed part, which in the illustration is a set-screw securing a around a pipe and the hook engages the corresponding the flat plate-spring previously mentioned. Besides taking up the shock caused by obstructions pair of disks,… … called in Russia " lejka," signifying lying down or state A CHAIN-WRENCH FOR PIPES AND SHAFTS. A GUARD FOR THE PROTECTION OF PROJECTING of repose. It is in fact a kind of hibernation, as will HACHINE-PARTS. The toothed disks are firmly forced into engagement be seen from the description which has…
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