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With gooseneck couplers or offset shank couplers, the horizontal centerline of the coupler head is above the horizontal centerline of the coupler shank, or shaft, and the draw gear. This arrangement is designed for use with low-floor freight cars , to lift the coupler head high enough to match the couplers on other rolling stock. [ 18 ]
The lower underframe also necessitated gooseneck-type couplers, designed to lift the coupler head high enough to match the couplers on other rolling stock. The horizontal center line of the coupler shank, or shaft, and of the draw gear are lower than that of the coupler head. In 1979, the class was recoded VBCW.
The Wedglock coupler is named for the pneumatic wedges that lock the moving parts of the coupler head in the engaged position. It is the standard automatic coupler used on London Underground trains. The coupler was introduced in 1936 [56] and is manufactured by William Cook Rail [57] and Voith. [58]
A weatherhead on a residence in Mount Vernon, Washington, US. A weatherhead, also called a weathercap, service head, service entrance cap, or gooseneck (slang) is a weatherproof service drop entry point where overhead power or telephone wires enter a building, or where wires transition between overhead and underground cables.
By the 1870s, rail wagon technology had evolved to permit longer wagons fitted with bogies. This allowed higher operating speeds due to better load balancing, and trains were easier to manage with less operating equipment like brakes and couplers over the length, than would be required for shorter fixed-axle wagons. [8]
The regulars began assembling in the predawn at the McDonald’s on East Plank Road in Altoona, a Pennsylvania city of about 42,000 just off I-95 in Blair County.
Like all Janney couplers, the Tightlock is "semi-automatic". The couplers automatically lock when cars are pushed together, but workers must go between cars to hook up the air lines for the pneumatic brakes and connect cables for head-end power and other communications. To separate cars, a worker must use a lever to move the locking pin that ...
Varying forms of immunotherapy are used to treat a wide variety of cancers, including lung cancer, breast cancer, endometrial cancer, head and neck cancer and some rare forms of colon cancer.
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