Builder's hardware; a manual for architects, builders and house furnishers . l & Erwin, having five plain, pivotedlevers, permitting of 120 changes in the lock by transpositionof the levers. The same style of lock is made with as few asone lever. A. G. Newman manufactures a very good store-door lock, Figure 298, in which the levers slide up and downbut are not pivoted together. Figure 299 illustrates the Standard store-door lock, manufactured by the Yale & TowneMfg. Co., a very strong, well-made, and almost unpickablelock. The bolt-tail is the full thickness of the bolt but ismade with a shell
Builder's hardware; a manual for architects, builders and house furnishers . l & Erwin, having five plain, pivotedlevers, permitting of 120 changes in the lock by transpositionof the levers. The same style of lock is made with as few asone lever. A. G. Newman manufactures a very good store-door lock, Figure 298, in which the levers slide up and downbut are not pivoted together. Figure 299 illustrates the Standard store-door lock, manufactured by the Yale & TowneMfg. Co., a very strong, well-made, and almost unpickablelock. The bolt-tail is the full thickness of the bolt but ismade with a shell so that the tumblers work within the bolt, asit were, and the key, instead of acting against the under side 192 Chapter XL Store-lock withnotched gat-ings. BUILDERS HARDWARE. of the four levers, works through the centres; and, instead ofacting directly upon the bolt, simply rotates an irregularly-shaped cam. The side figure showing the bolt and the camalone, will illustrate how this lock works. The levers in thisexample are of steel, as in all the Standard
Size: 1305px × 1915px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookidbuildershard, bookyear1890
