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The Iron Age 1884-09-25: Vol 34 Iss 13

1884 Reed Business Information US

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| is o 35. rs.) ; READING MATTER A Review of the Hardware, Iron and Metal Trades. ADVERTISEMENTS Published every Thursday Morning by Davip Wittiams, No. 83 Reade Street, New York. Entered at the Post Office, New York, as Second-Class Matter, Vol. XXXIV: No. 13. The Ridgway Direct-Acting Cranes. The accompanying engravings show some | of the arrangements and applications of a very simple form of crane turned out by Messrs. Craig Ridgway & Son, of Coates- ville, Pa. The crane is striking on account of its simplicity and low cost, and its adapt- ability to all places where it is desirable to handle heavy weights cheaply and rapidly. It consists of a cylinder whose lower end is closed, while the upper end is open. The piston-rod terminates outside of the cylinder in a suitable eye, to which grapnels or chains are attached. The cylin- der is hung upon gimbals and mounted upon a frictionless truck, which travels backward and for- ward upon the jibs of an ordinary foundry crane. This crane is framed in a simple manner of iron or wood, as may be preferred. The gudgeons of the crane are made hollow. Through the top gudgeon a steam-pipe is led to a suitable valve arrangement. From this valve…

Citation

The Iron Age 1884-09-25: Vol 34 Iss 13. Reed Business Information US. 1884.