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2. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   Advances in technology have allowed for portable hydraulic breakers. The jackhammer is connected with hydraulic hoses to a portable hydraulic powerpack: either a petrol or diesel engine driving a hydraulic pump; or a mini-excavator or skid-steer via a power take-off driveshaft to the machine's hydraulic system. Hydraulic power sources are more ...

3. Jack (device) - Wikipedia

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

   A jack which can lift a mobile home. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. [1] The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be ...

4. Pile driver - Wikipedia

   en.wikipedia.org/wiki/Pile_driver

   Concrete spun pile driving using diesel hammer in Patimban Deep Sea Port, Indonesia. A modern diesel pile hammer is a large two-stroke diesel engine. The weight is the piston, and the apparatus which connects to the top of the pile is the cylinder. Piledriving is started by raising the weight; usually a cable from the crane holding the pile ...

5. Breaker (hydraulic) - Wikipedia

   en.wikipedia.org/wiki/Breaker_(hydraulic)

   Breakers are often referred to as "hammers", "peckers", "hoe rams" or "hoe rammers". These terms are popular and commonly used amongst construction / demolition workers. [ 1 ] [ 2 ] The first hydraulic breaker, Hydraulikhammer HM 400, was invented in 1967 by German company Krupp (today German company Atlas Copco ) in Essen .

6. Hydraulic machinery - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_machinery

   Joseph Bramah patented the hydraulic press in 1795. [1] While working at Bramah's shop, Henry Maudslay suggested a cup leather packing. [2] [clarification needed] Because it produced superior results, the hydraulic press eventually displaced the steam hammer for metal forging.

7. Hydraulic ram - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_ram

   Hydraulic ram, System Lambach now at Roscheider Hof Open Air Museum The first US patent was issued to Joseph Cerneau (or Curneau) and Stephen (Étienne) S. Hallet (1755-1825) in 1809. [ 7 ] [ 8 ] US interest in hydraulic rams picked up around 1840, as further patents were issued and domestic companies started offering rams for sale.