Railroad Co. v. Mellon
Supreme Court of the United States
ApPEAL-from the Circuit Court of the,United States for the Eastern District of Pennsylvania. On Oct. 2, 1866, letters-patent No. 58,447 were granted to Edward Mellon for an improvement in the mode .of attaching tires tdp the wheels of locomotives. For the purpose of illas-' tration, three figures, numbered respectively 1, 2, and 3, were appended to the specification on which the application for the letters was based.
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ApPEAL-from the Circuit Court of the,United States for the Eastern District of Pennsylvania. On Oct. 2, 1866, letters-patent No. 58,447 were granted to Edward Mellon for an improvement in the mode .of attaching tires tdp the wheels of locomotives. For the purpose of illas-' tration, three figures, numbered respectively 1, 2, and 3, were appended to the specification on which the application for the letters was based. The specification is as follows: — “ Figures 1 and 2 are central sections of a locomotive wheel having a tire applied to it according to my invention. Figure' 8, a section of a…
1Opinion of the CourtJustice Woods
It appears from the evidence that railroad locomotive wheels are composed of two parts, — the body of the wheel, called the wheel-centre, and a tire which .surrounds it, substantially in the same manner in which the, tire surrounds the felloes of an ordinary wagon wheel.
The invention of Mellon relates solely to a method of fastening tires upon locomotive wheel-centres. It appears from the record that, generally speaking, there are two ways of fastening these tires upon their wheel-centres ; one by making the tire a little. smaller in diameter than the wheel-centre, then heating it so that it…
2Cases cited1 opinion
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