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Juppé was born Alain Marie Juppé on 15 August 1945, in Mont-de-Marsan, Aquitaine. His father was Robert Juppé (1915-1998), a Gaullist resistance fighter at the end of World War II, who came from a family of railwaymen and later became a farmer, and his mother was Marie Darroze (1910-2004), the devoted Catholic daughter of a judge.
Four-bar linkage. In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed- chain movable linkage. It consists of four bodies, called bars or links, connected in a loop by four joints. Generally, the joints are configured so the links move in parallel planes, and the assembly is called a planar four-bar ...
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 ...
A Tip-top table is a folding table with the tabletop hinged so it can be placed into a vertical position when not used to save space. It is also called tilt-top table, tip table, [1] snap table [2] [3] some variations are known as tea table, loo table. These multi-purpose tables were historically used for playing games, drinking tea or spirits ...
A slider-crank linkage is a four-link mechanism with three revolute joints and one prismatic (sliding) joint. [ 1] The rotation of the crank drives the linear movement of the slider, or the expansion of gases against a sliding piston in a cylinder can drive the rotation of the crank. There are two types of slider-cranks: in-line and offset.
Illustration of the limits. 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 ...
Sleeping different amounts each night could be linked to diabetes risk, research has shown. A new analysis of UK Biobank data shows increased variance in sleep duration is associated with an ...
A straight-line mechanism is a mechanism that converts any type of rotary or angular motion to perfect or near-perfect straight-line motion, or vice versa. Straight-line motion is linear motion of definite length or "stroke", every forward stroke being followed by a return stroke, giving reciprocating motion. The first such mechanism, patented ...
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