Builder's hardware; a manual for architects, builders and house furnishers . Fig. 106. Chicago Spring-Butt. ChicagoSpring-Butt Co. Fig. 107. Champion Spring-Hinge. Chicago Hardware Co. of the door. A catch on the hub of the lower jamb plate resiststhe door in one direction, while a corresponding catch on theupper plate resists the tension in the opposite direction. These Chapter V. Chicago Spring-butt. Champion Hinge. 70 BUILDERS HARDWARE. Chapter v. hinges look neat in place and are very easily applied, and, hav- ing no complicated machinery about them, are not likely to getout of
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 106. Chicago Spring-Butt. ChicagoSpring-Butt Co. Fig. 107. Champion Spring-Hinge. Chicago Hardware Co. of the door. A catch on the hub of the lower jamb plate resiststhe door in one direction, while a corresponding catch on theupper plate resists the tension in the opposite direction. These Chapter V. Chicago Spring-butt. Champion Hinge. 70 BUILDERS HARDWARE. Chapter v. hinges look neat in place and are very easily applied, and, hav- ing no complicated machinery about them, are not likely to getout of Hinge. A hinge which has the appearance of considerable complica- tion is the Jewett spring:butt, shown by Figure 108. Thisbutt, however, has many excellent qualities. It consists of fourseparate springs, two on each side. It will be seen by theplan that when the door is opened the tension is brought on thesprings by aid of the push-bar or pin, A, which fits on theshoulder between the two springs and on a ratchet attached to the central springs can easil
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