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Working principle of the Scharfenberg coupler lock |
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Coupling
The cone and funnel shape of the coupler front face profile ensures a generous gathering range both horizontally and vertically and allows automatic coupling on curves, even with vertical mismatch and very low speed. Minimal force is required for successful coupling. |
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Coupled
The coupler faces and the locking system form a rigid connection both vertically and horizontally. The parallelogram arrangement of the coupler locks provides uniform distribution of the draft load. This coupler lock design ensures minimal wear and maximum coupler longevity. The rigid and slack-free connection enables jerkfree acceleration and braking and offers optimum ride comfort. It also prevents the cars overriding in the case of an accident.
Uncoupling
The geometry of the coupler lock enables automatic uncoupling even under traction load. Automatic uncoupling is ensured when misaligned, even on vertical curves. The uncoupling operation is irreversible. Scharfenberg's safety philosophy does not allow re-coupling, unless the cars have moved apart and the couplers have separated. |
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