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A 2.5-ton house jack that stands 24 inches from top to bottom fully threaded out. A house jack, also called a screw jack, is a mechanical device primarily used to lift buildings from their foundations for repairs or relocation. A series of jacks is used and then wood cribbing temporarily supports the structure. This process is repeated until ...
The 220 inches (560 cm) wheelbase chassis included a 25,000 pounds (11,000 kg) front winch and extra-large air-brake tanks that also served to inflate the rubber pontoons before they were placed in the water. [43] A pneumatic float was made of rubberized fabric separated by bulkheads into 12 airtight compartments and inflated with air. [44]
Lifting and lowering the air jack at a variable rate took a bit of practice, but it is possible to create a custom height by carefully opening and closing the valves. The maximum height we ...
In 1902, CPT also took over the Franklin Air Compressor Company which had been producing air hoists. The Franklin plant went onto produce Little Giant trucks (1911-1917), portable compressors, electrical powerplants, and drill rigs. 1916 ad for Chicago Pneumatic Little Giant truck. 1904 was the year of expansion for CP.
Drilling a blast hole with a pneumatic drill (jackhammer). A pneumatic tool, air tool, air-powered tool or pneumatic-powered tool is a type of power tool, driven by compressed air supplied by an air compressor. Pneumatic tools can also be driven by compressed carbon dioxide (CO 2) stored in small cylinders allowing for portability. [1]
A diagram of a pumpjack. A pumpjack is the overground drive for a reciprocating piston pump in an oil well. [1]It is used to mechanically lift liquid out of the well if there is not enough bottom hole pressure for the liquid to flow all the way to the surface.