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The brake is released by raising its handle, thereby retracting the steel rod away from the stage. Wagon brakes provide a very fast means of locking and unlocking wagons, but the brakes and stage can be damaged if the running crew attempts to move a wagon while its brakes are engaged. Damage to the stage can be mitigated by using extension ...
A swivel caster with a wheel lock. The vertical swivel on this type of caster cannot be locked in position. Caster central locking mechanism on an old Stryker hydraulic stretcher. Shown in the locked position with the center cam rotated downward. Common inexpensive casters may include a brake feature, which prevents the wheel from turning. This ...
It was the first rolling stock with the later frequently used swivel doors. The Scharfenberg coupler allows the train to travel as a consist , but not with other rolling stock. A notable difference between Plan T and Plan V is the number of train carriages: four (Plan T) and two (Plan V) respectively - the letter is therefore not the initial ...
Arthur Krebs proposed placing the front axle of a car at a positive caster angle in his UK patent of 1896, entitled Improvements in mechanically propelled vehicles. In it he stated it was intended "To ensure stability of direction by means of a special arrangement of fore-carriage, that is to say, to re-establish automatically the parallelism of the two axles of the vehicle when there is no ...
The concept of brake pads or disc brakes as an alternative to drum brakes had been around at least as early as a patent by F. W. Lanchester in 1902. [2] However, due to high cost and inefficiencies compared to drum brakes they were not commonly implemented until after World War II. [3]
Brake equipment: Two main types are used: brake shoes that are pressed against the tread of the wheel, and disc brakes and pads. In powered vehicles, some form of transmission , usually electrically powered traction motors with a single speed gearbox or a hydraulically powered torque converter .
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