. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . railroad features. Theadvantages of the high platform are ap-parent to all railroad men, but a difficultyhas arisen in connection with their adop-tion where the platform is built on acurve, a gap being caused between the endof car and platform. The physical con-ditions at many stations, of course, makeit impossible to build tangent platforms. This company has equipped for trial asteel vestibule car with the Sickles Ex-tensible Trap Door, as shown in the ac-companying photographs and drawings,
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . railroad features. Theadvantages of the high platform are ap-parent to all railroad men, but a difficultyhas arisen in connection with their adop-tion where the platform is built on acurve, a gap being caused between the endof car and platform. The physical con-ditions at many stations, of course, makeit impossible to build tangent platforms. This company has equipped for trial asteel vestibule car with the Sickles Ex-tensible Trap Door, as shown in the ac-companying photographs and drawings,designed to bridge the gap between thecar and station platform. When the trap is down the opening ofthe vestibule door causes the sliding por-tion to extend, the closing of the vestibuledoor returning same. This arrangementis ideal in view of the fact that the ex-tension of the trap is required simultane-ously with the opening of the door, and,as the vestibule door is required to beclosed on leaving station, the trap isnecessarily returned at the same , the physical effort required. is opened, as in the case when trap i-. tobe raised for use of steps or when brake-man opens door while train is provide for this necessary feature, aningenious, but still quite simple, arrange- VESTIBULE DOOR OPEN AND TRAP OUTAT HIGH PLATFORM. to open vestibule door is utilized to extendtrap. There are certain times when the trapshould not extend when vestibule door
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Keywords: ., bookcentury1900, bookdecade1900, bookidrailwaylocom, bookyear1901
