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2. Scissors mechanism - Wikipedia

   en.wikipedia.org/wiki/Scissors_mechanism

   This mechanism is used in devices such as lift tables and scissor lifts.Modern low-profile computer keyboards make an extensive use of it as well, installing each key on a scissor support to ensure their smooth vertical movement, allowing the use of a cheap and reliable rubber dome contact set, instead of expensive and complex array of mechanical switches.

3. Lift table - Wikipedia

   en.wikipedia.org/wiki/Lift_table

   The most common lift table design incorporates hydraulic cylinders and an electrically powered pump to actuate the scissor lifting mechanism. Lift tables can also be driven by pneumatic sources, trapezoidal-threaded screw drives, push chains or by hydraulic foot pump when the load is not heavy. The choice of drive mechanism depends on factors ...

4. Aerial work platform - Wikipedia

   en.wikipedia.org/wiki/Aerial_work_platform

   An extended scissor lift. A scissor lift is a type of platform that can usually only move vertically. The mechanism to achieve this is the use of linked, folding supports in a criss-cross X pattern, known as a pantograph (or scissor mechanism). The upward motion is achieved by the application of pressure to the outside of the lowest set of ...

5. JLG Industries - Wikipedia

   en.wikipedia.org/wiki/JLG_Industries

   Scissor lifts. JLG scissor lifts are available as both electric and engine-powered. The electric-powered scissor lifts can be used both indoors and outside whereas the engine-powered lifts are used exclusively outdoors in rough terrain and applications that require more workspace and lifting capacity. Telehandlers: JLG, Lull and SkyTrak

6. Genie (Terex) - Wikipedia

   en.wikipedia.org/wiki/Genie_(Terex)

   Genie is an American company that manufactures work lifts and platforms used in construction, maintenance, warehouse stocking, and equipment installation. Founded in 1966 by Bud Bushnell, the company operated independently until acquired by Terex in 2002. [1]

7. Jackscrew - Wikipedia

   en.wikipedia.org/wiki/Jackscrew

   The maximum mechanical advantage possible for a hydraulic jack is not limited by the limitations on screw jacks and can be far greater. After World War II, improvements to the grinding of hydraulic rams and the use of O ring seals reduced the price of low-cost hydraulic jacks and they became widespread for use with domestic cars. Screw jacks ...