Smith v. Halkyard

The defendants contend that they are not violating the injunction recently granted by this court by reason of certain changes made in their machine. The plaintiff claims that the defendants still infringe the first and seventh claims of the lacing-hook patent, as well as the patent for lacing-hook stock. The lacing-hook patent is for a combination. One of the elements of the feeding device mentioned in the first and seventh claims is a spring inserted in the groove along which the stock is fed, which operates to raise the stock and clear it from the dies. In their present machine the…