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  2. Scissors mechanism - Wikipedia

    en.wikipedia.org/wiki/Scissors_mechanism

    A scissors mechanism uses linked, folding supports in a criss-cross 'X' pattern. [1] The scissor mechanism is a mechanical linkage system used to create vertical motion or extension. It consists of a series of interconnected, folding supports that resemble the shape of a pair of scissors, hence its name.

  3. Keyboard technology - Wikipedia

    en.wikipedia.org/wiki/Keyboard_technology

    Scissor switch mechanism. A common, compact variant of rubber dome over membrane is the scissor-switch, based on the scissors mechanism. Due to the requirement of many notebooks to be slim, they require the keyboards to be low-profile. Therefore, this technology is most commonly featured on notebooks.

  4. Helical band actuator - Wikipedia

    en.wikipedia.org/wiki/Helical_band_actuator

    One band has a vertical rectangular profile and the other horizontal, much like an oversized Slinky. The vertical band spirals up on itself into a stacked helix, forming the wall of the column, while at the same time, the horizontal band interlocks the continuous spiral seam of the vertical band. When the column lowers, the bands separate and ...

  5. Jackscrew - Wikipedia

    en.wikipedia.org/wiki/Jackscrew

    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. [citation needed] A leadscrew operates this automotive scissor jack.

  6. Jack (device) - Wikipedia

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

    Jackscrews are integral to the scissor jack, one of the simplest kinds of car jack still used. A scissor jack use the mechanical advantage of a leadscrew and 4-bar linkage to allow a human to lift a vehicle by manual force alone. They are inexpensive and are common in manufacturer-supplied breakdown kits.

  7. Screw mechanism - Wikipedia

    en.wikipedia.org/wiki/Screw_mechanism

    The screw is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. [1] It is one of the six classical simple machines. The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside.

  8. Sarrus linkage - Wikipedia

    en.wikipedia.org/wiki/Sarrus_linkage

    The Sarrus linkage is of a three-dimensional class sometimes known as a space crank, unlike the Peaucellier–Lipkin linkage which is a planar mechanism. One of its main advantages is that it can be used to lift the structure connecting the upper links, allowing an impressive range of movements. [ 5 ]

  9. Straight-line mechanism - Wikipedia

    en.wikipedia.org/wiki/Straight-line_mechanism

    A straight-line mechanism is a mechanism that converts any type of rotary or angular motion to perfect or near-perfect straight-line motion, or vice versa. Straight-line motion is linear motion of definite length or "stroke", every forward stroke being followed by a return stroke, giving reciprocating motion .

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