Builder's hardware; a manual for architects, builders and house furnishers . Fig. 98. Screen-Butt. illustrate it clearly, though the thing itself is easily understood. 66 BUILDERS HARDWARE. Chapter V. Garden CitySpring-hinges. Its action is on exactly the same principle as Figure 97. Thecurved connecting pieces are between the two main hingeplates when the door is shut. For clearness the hinge is shownboth in sections and put together. If the plate G be fastenedto the door frame, when the door is opened towards the left theplates D and B will revolve together about the axis 1,1, tak-ing the po
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 98. Screen-Butt. illustrate it clearly, though the thing itself is easily understood. 66 BUILDERS HARDWARE. Chapter V. Garden CitySpring-hinges. Its action is on exactly the same principle as Figure 97. Thecurved connecting pieces are between the two main hingeplates when the door is shut. For clearness the hinge is shownboth in sections and put together. If the plate G be fastenedto the door frame, when the door is opened towards the left theplates D and B will revolve together about the axis 1,1, tak-ing the position shown by the figure. If, however, the door isopened in the contrary direction, the revolution is about theaxis 2, 2, the plates D and A turning together. SPRING-HINGES. One of the simplest forms of spring-hinge is that shown byFigure 99, consisting of a single spiral coil spring about a hinge pin, so arranged than when thedoor is opened the spring istwisted more tightly, and by itsresistance tends to close thedoor. The lower flange is se-cured to the door frame, an
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