Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 25
40 pounds on the circular inch. See Stationary Engines, and EnginesVarieties of. HINGE, Tafts double-jointed hinge and door-spring. Figs. 2260 and 2261. This hinge is so constructedthat it admits of the opening of the door, or gate, in either directii in, and in combination with it is a… … aide plates with knuckles attached thereto. The connecting plates with their knuckles are connectedby pivots to those of the plates, and each connects the plate to the other, so that when the hinge isopened in the opposite direction the connecting plate changes sides and folds upon the plate, so…
Mechanical engineering
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