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One anticipation of the universal joint was its use by the ancient Greeks on ballistae. [2] In Europe the universal joint is often called the Cardano joint (and a drive shaft that uses the joints, a Cardan shaft), after the 16th century Italian mathematician, Gerolamo Cardano , who was an early writer on gimbals, although his writings mentioned ...
The Joint Operations Division was established on 1 August 1997 during a major reorganisation of the armed forces. [2]Before the re-organisation each arm of Service had an operations staff responsible for deploying its units as directed by the Service chief and the Chief of the SANDF.
A Rzeppa-type CV joint. A constant-velocity joint (also called a CV joint and homokinetic joint) is a mechanical coupling which allows the shafts to rotate freely (without an appreciable increase in friction or backlash) and compensates for the angle between the two shafts, within a certain range, to maintain the same velocity.
It is a joint venture (JV) between the ex-Fiat Chrysler Automobiles (FCA), merged into Stellantis in 2021, which owns 67% of the operation, and the Republic of Serbia, which owns the remainder. The company headquarters and assembly plant are located on the former site of Zastava Automobiles (1953–2008) – 70 miles south of Belgrade on the ...
Ball joints allow a limited range of smooth movement in all directions Ball Joint Animation. A ball joint is used for allowing free rotation in two planes at the same time while preventing translation in any direction, [1] including rotating in those planes. Combining two such joints with control arms enables motion in all three planes ...
The sacroiliac joint or SI joint (SIJ) is the joint between the sacrum and the ilium bones of the pelvis, which are connected by strong ligaments. In humans, the sacrum supports the spine and is supported in turn by an ilium on each side. The joint is strong, supporting the entire weight of the upper body.
Most joint disorders involve arthritis, but joint damage by external physical trauma is typically not termed arthritis. Arthropathies are called polyarticular (multiarticular) when involving many joints and monoarticular when involving only a single joint. Arthritis is the leading cause of disability in people over the age of 55.
The distal radioulnar articulation [1] (also known as the distal radioulnar joint, [2] or inferior radioulnar joint [1] [3]) is a synovial pivot joint between the two bones in the forearm; the radius and ulna. It is one of two joints between the radius and ulna, the other being the proximal radioulnar articulation.