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  2. Socket wrench - Wikipedia

    en.wikipedia.org/wiki/Socket_wrench

    Pass-through sockets and ratchets are built for 1 ⁄ 4-inch, 3 ⁄ 8-inch and 1 ⁄ 2-inch sets in both SAE and metric sizes. By using a fine tooth ratchet and socket system that allow a pass-through ratchet to be used as a conventional ratchet handle with interchangeable 1 ⁄ 4-inch and 3 ⁄ 8-inch drives some ratchets can be used with ...

  3. File:AS261jackscrew 261.ogv - Wikipedia

    en.wikipedia.org/wiki/File:AS261jackscrew_261.ogv

    Stabilizer motion from 2.0 degrees ANU to 0.4 degrees AND was commanded by the autopilot. The horizontal stabilizer jammed at 0.4 degrees AND and remained jammed until the Acme nut threads failed. The lower mechanical stop subsequently contacted the Acme nut, restraining the horizontal stabilizer at 3.1 degrees AND.

  4. Ratchet (device) - Wikipedia

    en.wikipedia.org/wiki/Ratchet_(device)

    A ratchet (occasionally spelled rachet) is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Ratchets are widely used in machinery and tools. The word ratchet is also used informally to refer to a ratcheting socket wrench.

  5. Jackscrew - Wikipedia

    en.wikipedia.org/wiki/Jackscrew

    A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderate and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the foundations of houses.

  6. Sprag clutch - Wikipedia

    en.wikipedia.org/wiki/Sprag_clutch

    One-way bearing combining sprags and bearing rollers in one race Sprags jam when driven and slide when in reverse. A sprag clutch is a one-way freewheel clutch.It resembles a roller bearing but, instead of cylindrical rollers, non-revolving asymmetric figure-eight shaped sprags, or other elements allowing single direction rotation, are used.

  7. Come-along - Wikipedia

    en.wikipedia.org/wiki/Come-along

    A come-along. A come-along, also known as a power puller, is a hand-operated winch with a ratchet used to pull objects. The drum is wrapped with wire rope.A similar tool that uses a nylon strap is used to straighten trees, as it straightens gradually over time, therefore not splitting the trunk.