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The Peaucellier–Lipkin linkage (or Peaucellier–Lipkin cell, or Peaucellier–Lipkin inversor ), invented in 1864, was the first true planar straight line mechanism – the first planar linkage capable of transforming rotary motion into perfect straight-line motion, and vice versa. It is named after Charles-Nicolas Peaucellier (1832–1913 ...
The three-point hitch ( British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [ 1][ 2] The three points resemble either a triangle, or the letter A. In engineering terms, three-point attachment is the simplest and the only statically determinate ...
A mechanical linkage is an assembly of systems connected so as to manage forces and movement. The movement of a body, or link, is studied using geometry so the link is considered to be rigid. [ 1] The connections between links are modeled as providing ideal movement, pure rotation or sliding for example, and are called joints.
The 2.5 mm or sub-miniature sizes were similarly popularized on small portable electronics. They often appeared next to a 3.5 mm microphone jack for a remote control on-off switch on early portable tape recorders; the microphone provided with such machines had the on-off switch and used a two-pronged connector with both the 3.5 and 2.5 mm plugs.
In kinematics, Chebyshev's linkage is a four-bar linkage that converts rotational motion to approximate linear motion . It was invented by the 19th-century mathematician Pafnuty Chebyshev, who studied theoretical problems in kinematic mechanisms. One of the problems was the construction of a linkage that converts a rotary motion into an ...
The linkage actually used by Watt (also invented by him) in his later rotary beam engines was called the parallel motion linkage, a development of "Watt's linkage", but using the same principle. The piston of the engine is attached to the central point of the linkage, allowing it to act on the two outer beams of the linkage both by pushing and ...
In the video, we get to watch three adorable baby raccoons try to get a whiffle ball out of a big tub of water. They use their paws to try to get the ball closer so they can pick it up, but it ...
The center point for A is the center of the circle that passes through A 1, A 2 and A 3 in the three positions. Similarly, the center point for B is the center of the circle that passes through B 1, B 2 and B 3. Thus for three task positions, a four-bar linkage is obtained for every pair of points A and B chosen as moving pivots.