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Heberlein brake
Heberlein brake is a continuous railway brake used in Germany that is applied by means of a mechanical cable. Train braking is therefore initiated centrally from the locomotive using a winder. This causes the brake clips to be applied on individual wagons, assisted by a servo system which makes use of the rotation of the axle. The brakes operate automatically if the cable snaps. A typical feature of ''Heberlein'' brakes is the clearly visible cable run on top of the wagons, but cables can also be led underneath the wagons, as on the ''Spreewaldbahn'' railway line. ''Heberlein'' brakes were eventually largely replaced by compressed-air brakes or, sometimes, by vacuum brakes on narrow gauge railway vehicles.
==Modern use==
The ''Heberlein'' brake is still permitted as an operating brake on German railways due to it being both continuous and automatic, and at the low speeds on narrow gauge lines this means it is perfectly safe.
On several narrow gauge railways in Saxony, numerous vehicles with ''Heberlein'' systems can still be seen. These include the ''Lößnitzgrundbahn'', ''Weißeritztalbahn'' and Rittersgrün narrow gauge museum railway. On the ''Preßnitztalbahn'' trains using ''Heberlein'' brakes run regularly, several times a year.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Heberlein brake」の詳細全文を読む
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