Fraser v. Gates Iron Works
Court of Appeals for the Seventh Circuit
Appeal from the Circuit Court of the United States for the Northern Division of the Northern District of Illinois. This appeal presents a question of the validity of the first claim of letters patent of the United States numbered 259,681, granted June 20,1882, to Philetus W. Cates.
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Appeal from the Circuit Court of the United States for the Northern Division of the Northern District of Illinois. This appeal presents a question of the validity of the first claim of letters patent of the United States numbered 259,681, granted June 20,1882, to Philetus W. Cates. The claim reads as follows: “A gyrating crusher shaft having the tapering journal, c, in combination with a journal bearing, whereby only a portion of said tapering journal stands parallel and in contact with the vertical surface of said bearing during the gyration of the shaft, substantially as described.” The…
1Opinion of the CourtWoods, Circuit Judge
The opinion delivered below contains no recognition of a prior art in either straight or tapered journal bearings, but, proceeding entirely on the assumption or theory that “the structure which was in the art, and which that indicated in the patent was intended to supersede, was a ball and socket,” is devoted to an explanation on geometrical principles of the differences in construction and in theoretical operation, when employed in gyrating stone crushers, between a ball and socket *444bearing and the bearing of a tapering journal in a straight cylinder, or of a straight journal in a tapering…
2Cases cited2 opinions
- Caverly v. DeereCourt of Appeals for the Seventh Circuit · 1895
- Western Electric Co. v. Standard Electric Co.Court of Appeals for the Seventh Circuit · 1898
3Cited by1 opinion
- Handel Co. v. Jefferson Glass Co.District Court, N.D. West Virginia · 1920