Builder's hardware; a manual for architects, builders and house furnishers . Fig. 326 Yale Standard Front-Door Lock. Yale & Towne Mfg. Co. Fig. 327. Front Robinson. but one, the holes for the night-latch and the dead-lock keybeing side by side. The shape of the levers will explain thearrangements, two sets of gatings and rackings being cut 208 B UILDERS HARD IVARE. Chapter XI. Hall. on each. The dead-lock key acts against the edges at is the post on the holt-tail, which passes through the gat-ings in the ordinary manner. The night-key acts againstthe edges C. The post D is att
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 326 Yale Standard Front-Door Lock. Yale & Towne Mfg. Co. Fig. 327. Front Robinson. but one, the holes for the night-latch and the dead-lock keybeing side by side. The shape of the levers will explain thearrangements, two sets of gatings and rackings being cut 208 B UILDERS HARD IVARE. Chapter XI. Hall. on each. The dead-lock key acts against the edges at is the post on the holt-tail, which passes through the gat-ings in the ordinary manner. The night-key acts againstthe edges C. The post D is attached to a sliding-plate, work-ing between the levers and the dead-bolt tail. The lever Eis pivoted to this plate and also to the lock-case. When thelevers are raised so as to allow the post D to enter the ratch-ings, the plate and the lever E are drawn back together at thesame time as the latch. The follow is made double, to permitof swivel-spindles, and the outside is locked by the arm latch has a very easy spring, the follows being stiffenedby a spring. Hall
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