Builder's hardware; a manual for architects, builders and house furnishers . e near the cross-pieces, and the sinuosities of the cleft in the key areso mu tally spaced that when the key is inserted all of the slidesare drawn in and the ends no longer protrude but are flushwith the surface of the plug, which is then free to rotate. Itis believed that this lock is unique of its kind, and, though inoutward appearance much like aYale lock, it is decidedly original inevery other respect. A form of cylinder-lock has re-cently been put on the market bythe Hopkins & Dickinson Manu-facturing
Builder's hardware; a manual for architects, builders and house furnishers . e near the cross-pieces, and the sinuosities of the cleft in the key areso mu tally spaced that when the key is inserted all of the slidesare drawn in and the ends no longer protrude but are flushwith the surface of the plug, which is then free to rotate. Itis believed that this lock is unique of its kind, and, though inoutward appearance much like aYale lock, it is decidedly original inevery other respect. A form of cylinder-lock has re-cently been put on the market bythe Hopkins & Dickinson Manu-facturing Company, which partakessomewhat of the nature of the old Bramah lock, previously de-scribed. Figure 340 illustrates theexternal appearance as well as theinternal construction of the escut-cheon or cylinder, whose functionsare the same as in the Yale shell, A, is secured to the lock-case so as to be immovable. Theplug B, rotates inside of this, being held in place by screws, G,turned through the outer shell. Inside of the plug are five Chapter Lock,. Fig 340. Cylinder & Dickinson Mfg. Co. Hopkins & DickinsonCylinder Lock. 220 BUILDERS HARDWARE. Chapter XI. slides, D, working in a closely fitted groove, with a separatespring to each slide. The springs are on opposite sides, inseparate slots, so that there is no chance for the slides to key is flat, with five notches on the end correspondingto the five slides. It is inserted through a straight slot in acapping-piece, JE, and bears against the bottom of slots inthe centre of the slides. At the back of the plug is a flatpiece of metal, known as a fence, F, working up and down
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Keywords: ., bookcentury1800, bookdecade1890, bookidbuildershard, bookyear1890
