Builder's hardware; a manual for architects, builders and house furnishers . Figure 155 illustrates the Richards hanger, which, with the Prindle, rather leads the market just at present. Theprinciple is almost exactly the same with both forms, exceptthat in the Richards the axle has a flat instead of a roundbearing, and the wheels are grooved. The Prindle manu-facturers claim that the flat wheel is preferable; the Rich-ards, on the other hand, maintain that the flanged wheel ismore desirable. There is really very little to choose betweenthe two kinds. The American Manufacturing Company has a p
Builder's hardware; a manual for architects, builders and house furnishers . Figure 155 illustrates the Richards hanger, which, with the Prindle, rather leads the market just at present. Theprinciple is almost exactly the same with both forms, exceptthat in the Richards the axle has a flat instead of a roundbearing, and the wheels are grooved. The Prindle manu-facturers claim that the flat wheel is preferable; the Rich-ards, on the other hand, maintain that the flanged wheel ismore desirable. There is really very little to choose betweenthe two kinds. The American Manufacturing Company has a parlor-door hanger on the market which is essentially the same as the Richards hanger. The Paragon door-hanger, Figure156, is on the principle of the Moody barn-door hanger pre-viously described. It consists of a single grooved wheelrunning on a rail secured to one side of the pocket, the axlesbearing against two flat surfaces. It would seem as thoughthis fulfilled the conditions of a perfect door-hanger more fullythan anything else in the market. It can be adjusted with. Fig. I 57. Emerson Parlor-door Hanger. B. D. Washburn, Agent. very little trouble; and as the centre of support is directly overthe centre of the door, there is no tendency to bind; while asthe track is secured to only one side of the door-pocket, thepossible effects of shrinkages and settlements are reduced toa minimum. A form of door-hanger which is essentially the same as this,but in which the axle of the wheels work in a slot on the j>rin-ciple of the Hatfield sheave, lias been manufactured by DOOR SPRINGS, CHECKS, AND HANGERS. Burditt & Williams, for one of the Boston builders, but has re-ceived no patent, and is not really in the market. The Emerson door-banger, Figure 157, is yet anothervariety, and represents in some respects a different principlefrom any of the former, in that the rollers are entirely separateand distinct from each other, being connected merely by a thinstrip of wood notched over th
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