Builder's hardware; a manual for architects, builders and house furnishers . Fig. 52. Chain Door-fastener. P. & F. Corbin. Bellamy & Co., agents). The staple-shaped bar or rod works in a standard whichis screwed to thedoor-jamb, and fitsover a knob securedto the door. Thedoor, on beingopened forces theknob along betweenthe prongs of thebar until it can gono farther, permit-. Nichols, Bellamy & Co. Fig. 53. French Door-fast ting the door to open only about four inches. When it is notdesired to secure the door, the bar is turned back against thewall. When the bar is turned at right angles to the
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 52. Chain Door-fastener. P. & F. Corbin. Bellamy & Co., agents). The staple-shaped bar or rod works in a standard whichis screwed to thedoor-jamb, and fitsover a knob securedto the door. Thedoor, on beingopened forces theknob along betweenthe prongs of thebar until it can gono farther, permit-. Nichols, Bellamy & Co. Fig. 53. French Door-fast ting the door to open only about four inches. When it is notdesired to secure the door, the bar is turned back against thewall. When the bar is turned at right angles to the wall, ormidway between these positions, the shoulders are brought di-rectly over the knob on the door catch, and the door is securedso that it cannot be opened at all. This fixture retails at$, in bronze. Figure 54 is another form of door-fast consisting of a 44 BUILDERS HARDWARE. Chapter IV. straight bolt working through a hinged socket attached to the door. The bolt has shoulders at the end which fit into the
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