Cyclopedia of architecture, carpentry, and building : a general reference work . ith five knuckles to each butt for the loose-pin type. Anexamination will show that there are always two bearings on eachfive-knuckled butt, so that if there are three butts to a door there arealways six bearing points; and when the weight of the door is con-sidered, with the fact that all this weight is carried from one side,the necessity for ample bearings will be appreciated. The loose pinallows the doors to be taken down readily; and when, from excessiveuse, the bearings have become worn, it also allows the pl
Cyclopedia of architecture, carpentry, and building : a general reference work . ith five knuckles to each butt for the loose-pin type. Anexamination will show that there are always two bearings on eachfive-knuckled butt, so that if there are three butts to a door there arealways six bearing points; and when the weight of the door is con-sidered, with the fact that all this weight is carried from one side,the necessity for ample bearings will be appreciated. The loose pinallows the doors to be taken down readily; and when, from excessiveuse, the bearings have become worn, it also allows the placing of steel Fig. 13. Plain Butt, Loose-Pin Type. 322 HARDWARE 11 washers (Fig. 15) be-tween the knuckles, totake up the worn por-tions. Wrought - steel buttscan be had in plain ma-terial and fair workman-ship, 4 by 4 inches, aslow as $ a dozenpairs, with screws; andfrom that up to $ dozen fitted withli a 11 bearings andbronze-plated. The bestgrade of what is com-monly known as theStanley butt is a goodexample of this are now oftenmade with ball bearings.
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Keywords: ., bo, bookcentury1900, booksubjectarchitecture, booksubjectbuilding
