Builder's hardware; a manual for architects, builders and house furnishers . &Erwin. Erwm. the top a certain distance only ; but it is much more convenientto have some appliance that will permit the transom to beopened in either direction, and will hold it securely. The TRANSOM AND SKYLIGHT FITTINGS. most popular, and one of the best known is the Wollensaktransom-lifter, Figure 271. This consists of a straight rod witha hinged arm attached to it, the arm being secured to the edgeof the transom, while the rod works up and down in a series ofrings, being held at any given height by turning a but
Builder's hardware; a manual for architects, builders and house furnishers . &Erwin. Erwm. the top a certain distance only ; but it is much more convenientto have some appliance that will permit the transom to beopened in either direction, and will hold it securely. The TRANSOM AND SKYLIGHT FITTINGS. most popular, and one of the best known is the Wollensaktransom-lifter, Figure 271. This consists of a straight rod witha hinged arm attached to it, the arm being secured to the edgeof the transom, while the rod works up and down in a series ofrings, being held at any given height by turning a button atthe bottom binding on the rod. These are made for transomseither pivoted at the centre and swinging down, or pivoted andswinging up, or hinged at either top or bottom. Figure 272shows another form, made by the American ManufacturingCompany. The rod in this caseis replaced by a flat bar, theattachment otherwise being es-sentially the same as in theprevious example. The bar isnotched at the bottom on theinner edge, and a catch on thelower (mide-rins locks the bar. Fig. 276. Skylight Lift and F. Wollensak. Fig. 277. Skylight-lift. S. L. Hill at any height. Figure 273 isanother form manufactured byliussell & Ervviu. In this case the bar is held in position by 165 Chapter X. 166 B UILDERS HARD WARE. lifters. Chapter x. turning the button at the bottom. This transom is providedwith a supplementary set of guides at the top, so that inshoving up the bar there will be no opportunity for the weightof the transom to deflect it sidewise. Figure 274 shows aform of transom-lifter manufactured by P. & F. Corbin, con-sisting of a straight rod, with a long, flexible steel attachmentat the top. The rod is secured at any height by a turn-buttonin the same manner as in the first example, while the flexibil-ity of the upper portion of the rod permits the transom to turnat any angle. There is yet another form, Figure 275. Thisconsists of a single rod attached directly to the transom, a
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