Builder's hardware; a manual for architects, builders and house furnishers . Fig. 126. Houses Liquid Brittan. Liquid Door-Checks. 86 BUILDERS HARDWARE. Chapter vi. piston down, the oil preventing any sudden slamming, while the rate of the flow through the tube below G determines therate at which the door will close. This fixture retails at about$1 per set. Such a form of check necessitates a spring-hinge, in orderthat the door shall be self-closing. Figure 127 illustrates aform of door-check manufactured by the same parties, whichhas a coiled spring inside the cylinder acting by m
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 126. Houses Liquid Brittan. Liquid Door-Checks. 86 BUILDERS HARDWARE. Chapter vi. piston down, the oil preventing any sudden slamming, while the rate of the flow through the tube below G determines therate at which the door will close. This fixture retails at about$1 per set. Such a form of check necessitates a spring-hinge, in orderthat the door shall be self-closing. Figure 127 illustrates aform of door-check manufactured by the same parties, whichhas a coiled spring inside the cylinder acting by means of the. Fig. I 27. Houses Automatic Door-check. Nimick & Brittan. LOWER HINGE Fig. I 28. Bardsleys Checking Spring-hinge. J. Bardsley. hinged bent lever on the door-head. The interior of thecylinder is filled with oil, which checks the action of the doorby flowing from one compartment to the other of the retail price is from $ to $ each, according to thefinish. Figure 128 is another form of combined door check andspring, which is intended especially for double-acting doors,though it can be used for any door. No regular hinges are re-quired with this fixture. The top of the door is held by aspecies of pivot, fitting into a socket mortised into the top ofthe door, while the door-check answers for the lower lever A is mortised into the bottom of the door, acting asa crank to turn the post B. The checking apparatus is en-cased in a box G, which is sunk into the door-sill and coveredwith a brass plate. Figure 129 shows a section of the box, whichwill illustrate m
Size: 2570px × 973px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookidbuildershard, bookyear1890
