Ads
related to: bottle jack for vertical lifting
Search results
Results from the WOW.Com Content Network
Hydraulic bottle jack. A bottle jack or whiskey jack [6] is a jack which resembles a bottle in shape, having a cylindrical body and a neck. Within is a vertical lifting ram with a support pad of some kind fixed to the top. The jack may be hydraulic or work by screw action.
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. It is commonly used to lift moderate and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and ...
Roasting jack. A roasting jack is a machine which rotates meat roasting on a spit. [1] It can also be called a spit jack, a spit engine or a turnspit, although this name can also refer to a human turning the spit, or a turnspit dog. [2] Cooking meat on a spit dates back at least to the 1st century BC, but at first spits were turned by human power.
Crane (machine) Diagram of a modern crawler crane with outriggers. The latticed boom is fitted with a jib. A crane is a machine used to move materials both vertically and horizontally, utilizing a system of a boom, hoist, wire ropes or chains, and sheaves for lifting and relocating heavy objects within the swing of its boom.
For the scaffolding system, see Pump-jack. 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. The arrangement is often used for onshore wells.
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. The most familiar form is an elevator, the car of which is raised and lowered by a hoist mechanism.
Ads
related to: bottle jack for vertical lifting