When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Double-track railway - Wikipedia

    en.wikipedia.org/wiki/Double-track_railway

    In any given country, rail traffic generally runs to one side of a double-track line, not always the same side as road traffic. Thus in Belgium, China, France (apart from the classic lines of the former German Alsace and Lorraine), Sweden (apart from Malmö and further south), Switzerland, Italy and Portugal for example, the railways use left-hand running, while the roads use right-hand running.

  3. Railway coupling - Wikipedia

    en.wikipedia.org/wiki/Railway_coupling

    On straight track, the link and pin coupler is used. Since the vertical curve between the straight track sections and the ramp between the lock chambers has a very small radius, the difference in height would be too great for a link and pin coupler, so the locomotives must be pushed through these sections uncoupled by using the side buffers.

  4. Janney coupler - Wikipedia

    en.wikipedia.org/wiki/Janney_coupler

    The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...

  5. Tow hitch - Wikipedia

    en.wikipedia.org/wiki/Tow_hitch

    A tow hitch (or tow bar or trailer hitch in North America [1]) is a device attached to the chassis of a vehicle for towing, or a towbar to an aircraft nose gear. It can take the form of a tow ball to allow swiveling and articulation of a trailer , or a tow pin, or a tow hook with a trailer loop, often used for large or agricultural vehicles ...

  6. Hitch (knot) - Wikipedia

    en.wikipedia.org/wiki/Hitch_(knot)

    A kind of hitch, which is a knot used for attaching rope to a pole or other structure. Pipe hitch: A hitch-type knot used to secure smooth cylindrical objects. Prusik knot: A friction hitch or knot used to put a loop of cord around a rope, applied in climbing, canyoneering, mountaineering, caving, rope rescue, and by arborists. Reverse half hitches

  7. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [ 1 ] [ 2 ] The three points resemble either a triangle, or the letter A.

  8. Two half-hitches - Wikipedia

    en.wikipedia.org/wiki/Two_half-hitches

    Two half hitches is the commonest of all hitches for mooring in particular and also for general utility. Steel gives the name in 1794. The difference between two half hitches and the clove hitch is that the former, after a single turn around a spar, is made fast around its own standing part, while the latter is tied directly around the spar.

  9. Trucker's hitch - Wikipedia

    en.wikipedia.org/wiki/Trucker's_hitch

    Versions popular in East Asia use variations of sheep shank using either a simple half hitch [11] or a double turn self crossing half hitch [12] or a triple turn self crossing half hitch. [13] A sheep shank with two consecutive half hitches i.e. a clove hitch to secure the upper eye and to form the lower eye is more popular in the west.