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Washing-Machine Company v. Tool Company U.S. 342 (1874)

handle is hein.slavery/ussccases0470 and id is 1 raw text is: 842 WASHING-MACHINE Co. v. TOOL C0. [Sup. Ct. Statement of the case. WASHING-MACHINE COMPANY V. TOOL COMPANY. 1. The reissued letters-patent (No. 2829) for a new and improved clothes- wringer, granted to Sylvanus Walker, assignee, on the 31st day of De- cember, 1867, construed to. be for a U-shaped yoke or frame for sup- porting a wringing-machine, and for the combinati6n of such a yoke with a clamping device, when employed to hold a clothes-wringer to the side of a wash-tub, and the U form of the frame is essential to it. 2. The use of a portable support for a wringing mechanism which has some of- the features of the patentee's device, but which has not the U-formed yoke, or frame, is, therefore, no infringement of the patent. APPEAL frown the Circuit Court for the District of Rhode Island. The Washing-Machine Company, assignee of Sylvanus Walker, this last being assignee of one Sergeant, filed a bill in the court below against the Providence Tool Company, for an infringement of Division No. 2829, of a patent for an improvement in clofhes-wringers. The original patent was granted to Sergeant, July 27th, 1858, and was reissued in two divisions, the one in suit being dated December 31st, 1867. Although the matter which was in issue in the pres- ent suit was confined, so far as the complainant's title was concerned, to the reissue No. 2829, it may be well to de- scribe the wringing-machine which was the subject of Ser- geant's original patent, and out of which the invention pat- ented in the reissue No. 2829 was carved. The original machine belonged to the class of clothes- wringers long known as twist wringers. In these, clothes are wrung by twisting them into a rope in the same manner as without a machine the washerwoman twists them by hand. This sort of machine diffhrs from another and well- known class of wringers, in which squeezing rollers squeeze out by pressure water from clothes passed between- them. Both sorts of machines had been in use for many years prior to the patent to Sergeant. In the original machine of Sergeant, Figure 1 represents a yoke-frame of U form, the curved portion being an arc of

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