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2. 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 ...

3. 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.

4. Jackscrew - Wikipedia

   en.wikipedia.org/wiki/Jackscrew

   A 2.5-ton screw jack. The jack is inserting the bar (visible lower left) in the holes at the top and turning.. A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew.

5. Rigid chain actuator - Wikipedia

   en.wikipedia.org/wiki/Rigid_chain_actuator

   Rigid chain actuator. A rigid chain actuator, known variously as a linear chain actuator, push-pull chain actuator, electric chain actuator or column-forming chain actuator, is a specialized mechanical linear actuator used in window operating, push-pull material handling and lift applications.

6. Hoist (device) - Wikipedia

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

   Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

7. Aerial work platform - Wikipedia

   en.wikipedia.org/wiki/Aerial_work_platform

   Replacing an advertising poster in London using an aerial work platform. An aerial work platform (AWP), also an aerial device, aerial lift, boom lift, bucket truck, cherry picker, elevating work platform (EWP), mobile elevating work platform (MEWP), or scissor lift, is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height.