Builder's hardware; a manual for architects, builders and house furnishers . ndard Eastern goods are mostlyvery simple; though, of course, this distinction is not a rigidone, by any means. The West, however, is rapidly developingnew ideas and fresh combinations, in hardware no less than innearly every other department of mechanical industry, andspecial patent forms seem to be more naturally expected then;than elsewhere. This does not imply that the Eastern citiesare united in the usage of particular forms, for places as nearto each other as New York, Providence and Boston employdifferent forms
Builder's hardware; a manual for architects, builders and house furnishers . ndard Eastern goods are mostlyvery simple; though, of course, this distinction is not a rigidone, by any means. The West, however, is rapidly developingnew ideas and fresh combinations, in hardware no less than innearly every other department of mechanical industry, andspecial patent forms seem to be more naturally expected then;than elsewhere. This does not imply that the Eastern citiesare united in the usage of particular forms, for places as nearto each other as New York, Providence and Boston employdifferent forms, as will be seen later on. Chapter DC Outside Blind-fasts. 148 BUILDERS HARDWARE. Chapter IX. Wire Fasts. Figure 235 will serve to illustrate one of the most commonforms of shutter or blind fast, consisting of a tempered steelrod, or wire, one end of which is cut with a thread and screwsinto the under side of the blind, while the other end is held bya staple. The rod is bent so that the loop is kept away fromthe blind, and the elasticity of the metal enables it to spring. Fig. 236. Folsoms Blind-fast. J. H. Hiller. Gravity Fast. into the malleable-iron catch on the sill, or on the outside ofthe wall. The well-known Shedd blind fastener is prac-tically the same as this, except that the rod is bent in a com-plete twist to gain the; elasticity, and a common screw takesthe place of the threaded end. The same form is made, withslight variations, by several of the leading manufacturers. Figure 236 shows the only form of wire blind-fast whichallows one to close the blind without leaning out of the window,or in any way lifting the shutter to release it from the backcatch. It consists of a steel wire, bent as shown by the figure,but carried as far back towards the hinge as the hanging-styleof the blind will permit. To release the blind, the fastener issimply pulled inward. Any form of back catch may be the sill-catch a wide staple is used, which is set on anangle to the blind,
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