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Linkage (mechanical)

Index Linkage (mechanical)

A mechanical linkage is an assembly of bodies connected to manage forces and movement. [1]

79 relations: Alfred Kempe, Applied mechanics, Aquatic feeding mechanisms, Archimedes, Assur group, Ball joint, Bicycle suspension, Bird, Bolt cutter, Burmester's theory, Chebychev–Grübler–Kutzbach criterion, Chebyshev linkage, Compliant mechanism, Computer-aided design, Connecting rod, Cornell University, Crank (mechanism), Crankshaft, Cruciate ligament, Degrees of freedom (mechanics), Deployable structure, Descriptive geometry, Dwell mechanism, Evolution, Ferdinand Freudenstein, Four-bar linkage, Franz Reuleaux, Hart's inversor, Heavy equipment, Hero of Alexandria, Hoeckens linkage, Hydraulic cylinder, Internal combustion engine, Jacob E. Goodman, James Joseph Sylvester, James Watt, Jansen's linkage, Kinematic chain, Kinematic coupling, Kinematic pair, Kinematics, Klann linkage, Leg mechanism, Leonardo da Vinci, Lever, Ludwig Burmester, Machine (mechanical), Mathcad, Mechanical advantage, Osteichthyes, ..., Outline of machines, Overconstrained mechanism, Pafnuty Chebyshev, Pantograph, Parallel motion, Peaucellier–Lipkin linkage, Piston, Power (physics), Premaxilla, Prismatic joint, Reciprocating motion, Reptile, Revolute joint, Robot, Sarrus linkage, Scott Russell linkage, Sheep, Six-bar linkage, Slider-crank linkage, Suspension (vehicle), Tetrapod, The Sunday Times, Theo Jansen, Three-point hitch, Tool, Watt steam engine, Watt's linkage, Windscreen wiper, Wrasse. Expand index (29 more) »

Alfred Kempe

Sir Alfred Bray Kempe DCL FRS (6 July 1849, Kensington, London – 21 April 1922, London) was a mathematician best known for his work on linkages and the four colour theorem.

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Applied mechanics

Applied mechanics (also engineering mechanics) is a branch of the physical sciences and the practical application of mechanics.

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Aquatic feeding mechanisms

Aquatic feeding mechanisms face a special difficulty as compared to feeding on land, because the density of water is about the same as that of the prey, so the prey tends to be pushed away when the mouth is closed.

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Archimedes

Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.

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Assur group

In mechanical engineering, an Assur group is a kinematic chain with zero degree of mobility, which added or subtracted from a mechanism do not alter its original number of degrees of freedom.

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Ball joint

In an automobile, ball joints are spherical bearings that connect the control arms to the steering knuckles.

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Bicycle suspension

Bicycle suspension is the system, or systems, used to suspend the rider and bicycle in order to insulate them from the roughness of the terrain.

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Bird

Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

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Bolt cutter

A bolt cutter, sometimes called bolt cropper, is a tool used for cutting chains, padlocks, bolts and wire mesh.

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Burmester's theory

Burmester theory is named after Ludwig Burmester (1840–1927).

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Chebychev–Grübler–Kutzbach criterion

The Chebychev–Grübler–Kutzbach criterion determines the degree of freedom of a kinematic chain, that is, a coupling of rigid bodies by means of mechanical constraints.

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Chebyshev linkage

The Chebyshev linkage is a mechanical linkage that converts rotational motion to approximate straight-line motion.

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Compliant mechanism

In mechanical engineering, compliant mechanisms are flexible mechanisms that transfer an input force and displacement at one port to an output force and displacement at another port through elastic body deformation.

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Computer-aided design

Computer-aided design (CAD) is the use of computer systems to aid in the creation, modification, analysis, or optimization of a design.

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Connecting rod

A connecting rod is a shaft which connects a piston to a crank or crankshaft in a reciprocating engine.

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Cornell University

Cornell University is a private and statutory Ivy League research university located in Ithaca, New York.

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Crank (mechanism)

A crank is an arm attached at a right angle to a rotating shaft by which reciprocating motion is imparted to or received from the shaft.

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Crankshaft

A crankshaft—related to crank—is a mechanical part able to perform a conversion between reciprocating motion and rotational motion.

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Cruciate ligament

Cruciate ligaments (also cruciform ligaments) are pairs of ligaments arranged like a letter X. They occur in several joints of the body, such as the knee.

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Degrees of freedom (mechanics)

In physics, the degree of freedom (DOF) of a mechanical system is the number of independent parameters that define its configuration.

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Deployable structure

A deployable structure is a structure that can change shape so as to significantly change its size.

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Descriptive geometry

Descriptive geometry is the branch of geometry which allows the representation of three-dimensional objects in two dimensions, by using a specific set of procedures.

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Dwell mechanism

A dwell mechanism (either a linkage or cam-follower type) is an intermittent motion mechanism that alternates forward and return motion with holding position(s).

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Evolution

Evolution is change in the heritable characteristics of biological populations over successive generations.

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Ferdinand Freudenstein

Ferdinand Freudenstein was an American physicist and engineer who is considered to be the "Father of Modern Kinematics." Freudenstein made revolutionary contribution applying digital computation to the kinematic synthesis of mechanisms.

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Four-bar linkage

A four-bar linkage, also called a four-bar, is the simplest movable closed chain linkage.

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Franz Reuleaux

Franz Reuleaux (30 September 1829 – 20 August 1905), was a mechanical engineer and a lecturer of the Berlin Royal Technical Academy, later appointed as the President of the Academy.

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Hart's inversor

Hart's inversor is one of two mechanisms that provides a perfect straight line motion without sliding guides.

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Heavy equipment

Heavy equipment refers to heavy-duty vehicles, specially designed for executing construction tasks, most frequently ones involving earthwork operations.

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Hero of Alexandria

Hero of Alexandria (ἭρωνGenitive: Ἥρωνος., Heron ho Alexandreus; also known as Heron of Alexandria; c. 10 AD – c. 70 AD) was a mathematician and engineer who was active in his native city of Alexandria, Roman Egypt.

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Hoeckens linkage

The Hoeckens linkage is a four-bar mechanism that converts rotational motion to approximate straight-line motion.

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Hydraulic cylinder

A hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke.

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Internal combustion engine

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

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Jacob E. Goodman

Jacob Eli Goodman (born November 15, 1933) is an American geometer who has spent most of his career at the City College of New York, where he is now professor emeritus.

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James Joseph Sylvester

James Joseph Sylvester FRS (3 September 1814 – 15 March 1897) was an English mathematician.

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James Watt

James Watt (30 January 1736 (19 January 1736 OS) – 25 August 1819) was a Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781, which was fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.

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Jansen's linkage

The Jansen's linkage is a planar leg mechanism designed by the kinetic sculptor Theo Jansen to simulate a smooth walking motion.

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Kinematic chain

In mechanical engineering, a kinematic chain is an assembly of rigid bodies connected by joints to provide constrained (or desired) motion that is the mathematical model for a mechanical system.

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Kinematic coupling

Kinematic coupling describes fixtures designed to exactly constrain the part in question, providing precision and certainty of location.

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Kinematic pair

A kinematic pair is a connection between two bodies that imposes constraints on their relative movement.

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Kinematics

Kinematics is a branch of classical mechanics that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the mass of each or the forces that caused the motion.

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Klann linkage

The Klann linkage is a planar mechanism designed to simulate the gait of legged animal and function as a wheel replacement.

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Leg mechanism

A leg mechanism (walking mechanism) is an assembly of links and joints (a linkage) intended to simulate the walking motion of humans or animals.

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Leonardo da Vinci

Leonardo di ser Piero da Vinci (15 April 14522 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath of the Renaissance, whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.

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Lever

A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.

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Ludwig Burmester

Ludwig Ernst Hans Burmester (5 May 1840 – 20 April 1927) was a German kinematician and geometer.

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Machine (mechanical)

Machines employ power to achieve desired forces and movement (motion).

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Mathcad

Mathcad is computer software primarily intended for the verification, validation, documentation and re-use of engineering calculations.

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Mechanical advantage

Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system.

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Osteichthyes

Osteichthyes, popularly referred to as the bony fish, is a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to cartilage.

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Outline of machines

The following outline is provided as an overview of and topical guide to machines: Machine – mechanical system that provides the useful application of power to achieve movement.

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Overconstrained mechanism

An overconstrained mechanism is a linkage that has more degrees of freedom than is predicted by the mobility formula.

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Pafnuty Chebyshev

Pafnuty Lvovich Chebyshev (p) (–) was a Russian mathematician.

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Pantograph

A pantograph (Greek roots παντ- "all, every" and γραφ- "to write", from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a second pen.

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Parallel motion

The parallel motion is a mechanical linkage invented by the Scottish engineer James Watt in 1784 for the double-acting Watt steam engine.

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Peaucellier–Lipkin linkage

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.

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Piston

A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms.

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Power (physics)

In physics, power is the rate of doing work, the amount of energy transferred per unit time.

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Premaxilla

The premaxilla (or praemaxilla) is one of a pair of small cranial bones at the very tip of the upper jaw of many animals, usually, but not always, bearing teeth.

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Prismatic joint

A prismatic joint provides a linear sliding movement between two bodies, and is often called a slider, as in the slider-crank linkage.

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Reciprocating motion

Reciprocating motion, also called reciprocation, is a repetitive up-and-down or back-and-forth linear motion.

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Reptile

Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.

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Revolute joint

A revolute joint (also called pin joint or hinge joint) is a one-degree-of-freedom kinematic pair used in mechanisms.

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Robot

A robot is a machine—especially one programmable by a computer— capable of carrying out a complex series of actions automatically.

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Sarrus linkage

The Sarrus linkage, invented in 1853 by Pierre Frédéric Sarrus, is a mechanical linkage to convert a limited circular motion to a linear motion without reference guideways.

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Scott Russell linkage

A Scott Russell linkage (for John Scott Russell (1808–1882), although already patented in 1803 by watchmaker William Freemantle) gives a theoretically linear motion by using a linkage form with three portions of the links all equal, and a rolling or sliding connection.

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Sheep

Domestic sheep (Ovis aries) are quadrupedal, ruminant mammal typically kept as livestock.

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Six-bar linkage

A six-bar linkage is a one degree-of-freedom mechanism that is constructed from six links and seven joints.

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Slider-crank linkage

A slider-crank linkage is a four-link mechanism with three revolute joints and one prismatic, or sliding, joint.

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Suspension (vehicle)

Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two.

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Tetrapod

The superclass Tetrapoda (from Greek: τετρα- "four" and πούς "foot") contains the four-limbed vertebrates known as tetrapods; it includes living and extinct amphibians, reptiles (including dinosaurs, and its subgroup birds) and mammals (including primates, and all hominid subgroups including humans), as well as earlier extinct groups.

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The Sunday Times

The Sunday Times is the largest-selling British national newspaper in the "quality press" market category.

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Theo Jansen

Theodorus Gerardus Jozef "Theo" Jansen (born 14 March 1948) is a Dutch artist.

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Three-point hitch

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.

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Tool

A tool is any physical item that can be used to achieve a goal, especially if the item is not consumed in the process.

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Watt steam engine

The Watt steam engine (alternatively known as the Boulton and Watt steam engine) was the first type of steam engine to make use of a separate condenser.

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Watt's linkage

Watt's linkage (also known as the parallel linkage) is a type of mechanical linkage invented by James Watt (19 January 1736 – 25 August 1819) in which the central moving point of the linkage is constrained to travel on an approximation to a straight line.

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Windscreen wiper

A windscreen wiper or windshield wiper (American English) is a device used to remove rain, snow, ice and debris from a windscreen or windshield.

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Wrasse

The wrasses are a family, Labridae, of marine fish, many of which are brightly colored.

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Linkage (mechanics), Linkage (mechanism), Linkage mechanism, Mechanical linkage, Three-bar linkage, Toggle Mechanism, Toggle mechanism.

References

[1] https://en.wikipedia.org/wiki/Linkage_(mechanical)

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