Builder's hardware; a manual for architects, builders and house furnishers . DOOR-KNOBS. 241 but half way. Fig. 369. Screwless Door-knob and Escutcheoncombined. P. &c F. Corbin. in either direction. Another form of knobsubstitutes a continuousratchet on one face ofthe spindle for the screw-holes of the commonform. These knobs aremade by the BostonKnob Company, andoutwardly appear likean ordinary knob. Theadvantage is that theknob can be adjustedat any point without theaid of washers, the screwcatching onto the ratch-et in any position of theshank. Figure 369 shows aform which does awaywith the
Builder's hardware; a manual for architects, builders and house furnishers . DOOR-KNOBS. 241 but half way. Fig. 369. Screwless Door-knob and Escutcheoncombined. P. &c F. Corbin. in either direction. Another form of knobsubstitutes a continuousratchet on one face ofthe spindle for the screw-holes of the commonform. These knobs aremade by the BostonKnob Company, andoutwardly appear likean ordinary knob. Theadvantage is that theknob can be adjustedat any point without theaid of washers, the screwcatching onto the ratch-et in any position of theshank. Figure 369 shows aform which does awaywith the screws key escutcheon andthe rose are combined ina single plate on eachside of the door. Insideof the rose is a hubwhich is cut with ascrew-thread. The spin-dle passes through thisand into the shank of theknob, which is cut witha thread correspondingwith the thread on thehub. In applying thisknobs are simply screwed on until they bearthe edges of the rose. The escutcheon-plates Chapter XII.
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