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A Swivel is a mechanical device used on a drilling rig that hangs directly under the traveling block and directly above the kelly drive, that provides the ability for the kelly (and subsequently the drill string) to rotate while allowing the traveling block to remain in a stationary rotational position (yet allow vertical movement up and down the derrick) while simultaneously allowing the ...
Simple diagram of a drilling rig and its basic operation. The kelly drive is #19. A kelly drive is a type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal (three-, four-, six-, or eight-sided) or splined outer surface, which passes through the matching polygonal or splined kelly (mating) bushing and rotary table.
Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Abraham Lincoln conceived the invention when on two occasions the boat on which he traveled got hung up on obstructions. Lincoln's device was composed of large bellows attached to the sides of a boat that were expandable due to air ...
The earliest combination guns were called swivel guns, (not to be confused with the more widely known small cannon that is mounted on a swiveling stand or fork and allows a wide range of motion) which used a set of barrels designed to rotate to allow either the rifled or the smoothbore barrel to line up with a flintlock mechanism before firing. [2]
Ford Motor Company's Lincoln division has produced three distinct Lincoln V12 engines: 1932–1942 L-heads: 1932–1933 Lincoln L-head V12 engine; 1933–1942 Lincoln L-head V12 engine; 1936–1948 Flatheads: 1936–1948 Lincoln-Zephyr V12 engine
The Driller Killer (1979) by Abel Ferrara The Driller Killer (1979) by Abel Ferrara, trailer. The Driller Killer is a 1979 black comedy slasher film directed by Abel Ferrara and starring Ferrara (credited as Jimmy Laine), Carolyn Marz, Baybi Day, and Harry Schultz.
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- 4411 W Broad St, Columbus, OH · Directions · (800) 697-3277