ogether in a straight line, drum connected thereto is thereby automatically wound forcing the platen-supporting slide from engagement without the use of keys or similar devices, is one of with the dogs which ordinarily raise the platen, tooth the latest mechanical appliances of the W. P. Davis up,… … flange are slipped over the tapered hub. As our The original machine was invented by the late THE DAVIS COMPRESSION COUPLING. illustration shows, the flanges of opposing clamps Walter H. Hanson, of Milwaukee, and patented are drawn toward each other and locked together by tooth, for each line, the…
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