. The street railway review . SWIICHBOARD FOR CAR. made by the J. M. Jones Sons, who make a specialty of this work. The windows in these cars are fitted with spring sash balances made by the O. M. Edwards Co., of Syracuse, N. Y. The side windows have the Edwards No. 7-B-1 design, in which the sash angle to each other where the chains arc attached, so that therock shaft will rotate in its bearings to give and take any variations. BALANCED WINDOW SASH. as the chains wind and unwind upon the roller in raising or lower-ing the window, thereby always causing the chains to pull withequal tension. Th
. The street railway review . SWIICHBOARD FOR CAR. made by the J. M. Jones Sons, who make a specialty of this work. The windows in these cars are fitted with spring sash balances made by the O. M. Edwards Co., of Syracuse, N. Y. The side windows have the Edwards No. 7-B-1 design, in which the sash angle to each other where the chains arc attached, so that therock shaft will rotate in its bearings to give and take any variations. BALANCED WINDOW SASH. as the chains wind and unwind upon the roller in raising or lower-ing the window, thereby always causing the chains to pull withequal tension. The spindle end of the roller is received in a worm gear rollerbracket, by means of which the spring in the roller can be adjusted Juke 20, 1904-] STREET RAILWAY REVIEW. 423 as desired without removing the roller from the brackets or disturb-ing the finish. This is accomplished by inserting a socket wrenchthrough an opening provided in the finish and engaging with theend of the worm projecting from the bracket. The roller bracketshave extending flanges designed to receive the sash when raisedto its limit, and the sash is provided with rubber buffers placedto strike against the bracket flange. In this design of window it is intended that the roller shall beadjusted to balance the sash. At each of the two sides of the top of the sash. Weather stripping is provided at both the topand bottom edges of the sash, applied in a man
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
