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2. 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. The jack shown at the left is made for ...

3. File:AS261jackscrew 261.ogv - Wikipedia

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

   Subsequent airplane nose down stabilizer trim motion from 7.0 degress ANU to 2.0 degrees ANU was due to the use of primary trim. 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.

4. 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.

5. Jackscrew - Wikipedia

   en.wikipedia.org/wiki/Jackscrew

   A machinist's jack is a miniature screw jack used to support protruding parts of a workpiece or to balance clamping forces on that workpiece during machining operations. Aside from their size, these frequently look no different from the screw jacks used to lift buildings off their foundations.

6. Four-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Four-bar_linkage

   The two links connected to the frame are called the grounded links and are generally the input and output links of the system, sometimes called the input link and output link. The last link is the floating link, which is also called a coupler or connecting rod because it connects an input to the output.

7. Laboratory scissor jack - Wikipedia

   en.wikipedia.org/wiki/Laboratory_scissor_jack

   Laboratory scissor jacks are lifting stages for beakers, flasks, water baths, stirrer, or other lab tools used to elevate equipment height to the user's needs, usually around 5 to 20 cm. It consists of metal pieces connected together in a scissor-like shape between a top and a bottom platform.