27,335. Rhodes, T. W., and Rhodes, F. R. C. Dec. 1. Windows.- Reversible sashes are locked at the top and bottom to the sliding stiles a1, to which they are pivoted by hook-shaped spring catches c operated by a square key. The lower catches c are provided with teeth c4 meshing with teeth d1 formed on the underside of boltsd. When the catches are disengaged, the bolts d are simultaneously shot into holes e in the pulley stile, so that the sliding stiles are locked to the pulley stile while the sash is being reversed.
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