Chicago Railway Equipment Co. v. Interchangeable Brake Beam Co.

ADAMS, District Judge.

This is an action for the infringement of the fifth claim of letters patent of the United States No. 488,218, granted to Henry B. Eobischung, November 15, 1892. This claim is as follows:

' “In a trussed cambered brake beam', the combination, Avith a cambered compression member, a tension member, a brake head, and a nut for maintaining the camber, of an interposed locking device, for preventing any alteration in the camber of tbe beam, substantially as and for the purposes specified.”

The patentee, in his specification, states the object of his invention to be “to prevent…