King v. Illinois Midland Coal Co.

Defendant in error was engaged in mining coal. In connection with its business it had in use a mechanical device for loading coal in box cars; this device was known as a rocker; it was constructed at the tipple of the mine and was a device which permitted box cars, when being loaded with coal, to be tipped by raising one end higher than the .other for the purpose of placing the coal in the ends of the car. The machinery which operated this rocker was underground, upon each side of the car, and at either end of the rocker platform were two rocker arms projecting above the surface of the ground…