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  2. Crowbar - Wikipedia

    en.wikipedia.org/wiki/Crowbar

    A crowbar with a curved chisel end to provide a fulcrum for leverage and a goose neck to pull nails. A crowbar, also called a wrecking bar, pry bar or prybar, pinch-bar, or occasionally a prise bar or prisebar, colloquially gooseneck, or pig bar, or in Australia a jemmy, [1] is a lever consisting of a metal bar with a single curved end and flattened points, used to force two objects apart or ...

  3. Crowbar (circuit) - Wikipedia

    en.wikipedia.org/wiki/Crowbar_(circuit)

    A crowbar circuit is an electrical circuit used for preventing an overvoltage or surge condition of a power supply unit from damaging the circuits attached to the power supply. It operates by putting a short circuit or low resistance path across the voltage output (V o ), like dropping a crowbar across the output terminals of the power supply.

  4. Digging bar - Wikipedia

    en.wikipedia.org/wiki/Digging_bar

    A lining bar is used to shift the alignment of railroad tracks, to manipulate some types of railroad track jacks, to "nip up" or lift ties and rails, and as a digging tool. Lining bars have a tapered form. They often have a square cross section between one and 1-1/2 inches at one end. They may have a pyramidal, wedge, or pinch point.

  5. Torsion bar suspension - Wikipedia

    en.wikipedia.org/wiki/Torsion_bar_suspension

    Torsion bar suspension inside Leopard 2 Schematic of a front axle highlighted to show torsion bar. A torsion bar suspension, also known as a torsion spring suspension, is any vehicle suspension that uses a torsion bar as its main weight-bearing spring. One end of a long metal bar is attached firmly to the vehicle chassis; the opposite end ...

  6. Busbar - Wikipedia

    en.wikipedia.org/wiki/Busbar

    In electric power distribution, a busbar (also bus bar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution. They are also used to connect high voltage equipment at electrical switchyards, and low-voltage equipment in battery banks .

  7. Crossbar switch - Wikipedia

    en.wikipedia.org/wiki/Crossbar_switch

    A crossbar switch is an assembly of individual switches between a set of inputs and a set of outputs. The switches are arranged in a matrix. If the crossbar switch has M inputs and N outputs, then a crossbar has a matrix with M × N cross-points or places where connections can be made.

  8. Crowbar (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Crowbar_(disambiguation)

    A crowbar is a tool with a curved end used for prying objects apart. Crowbar may also refer to: Digging bar , called a crowbar in the UK and Australia, a straight metal bar used for post hole digging or for leverage

  9. Reversing gear - Wikipedia

    en.wikipedia.org/wiki/Reversing_gear

    Exceptions existed for light, low-powered locomotives and switchers (shunters). For switching, which required frequent changes of direction from full-ahead to full-reverse gear, the Johnson bar was favored because the change could be made quickly in a single motion instead of the multiple turns of the handle of a low-geared screw reverser.