Linkage Designs

Fourier Curve Tracing

Fourier Curve Tracing

This animation by Yang Liu is inspired by the mechanical Fourier…
SIAM News

SIAM News: Biologically inspired linkage design

This article by Jon Hauenstein with me for SIAM News (Society…
Heart Linkage

Heart Trajectory

This mechanical system was designed by Yang Liu to trace…
Folding Bicycle

Full Size Folding Bicycle

Michael Sutherland and his team at Zennen Engineering designed…
Target Profiles for Morphing Linkage

Actuating Morphing Linkages

Lawrence Funke and Prof. James Schmiedeler of the University…
Fourbar Extrusion

A four-bar linkage provides a shape changing extrusion die

Fourbar Extrusion Prof. Andrew Murray and his team at the…
Leg Mechanisms

Walking Machines

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Leg Mechanisms An outcome of Mark Plecnik's research on the…
Another version of the six-bar folding linkage

Another version of the six-bar folding linkage

This is a little more compact version of the six-bar folding…
Six-bar linkage folds a structure

Six-bar linkage folds a structure

This six-bar linkage was designed to deploy and stow a structure.…
Eight-bar Port Closure Tool

Eight-bar Port Closure Tool

This port closure tool curls back on itself to provide internal…
Four-bar function generator

Four-bar function generator: Open a door

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Select this link, Four-bar linkages, for a Geogebra book…
Introduction to Linkages

Introduction to Linkages

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Please select this link to open the Geogebra Book containing…
Linkage Design for Wing Flapping

Linkage Design for Wing Flapping

Mark Plecnik shows that six-bar function generators can be used…
Disney Prototyping System

Linkage Synthesis at Disney Research Zurich

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Researchers at Disney Research Zurich provide yet an other design…
Demining Training Aids

3D Printed Demining Training Aids

Training people to diffuse landmines and other live ordnance…
Eight-bar motion amplifier

Eight-bar motion amplifier

Kaustubh Sonawale and Yang Liu worked together on this design…
Rectilinear Suspension

Rectilinear eight-bar suspension

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This is a design concept for a rectilinear eight-bar suspension.…
Rectilinear Eight-bar

Rectilinear eight-bar linkage

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This animation was prepared by Yang Liu for a linkage designed…
Rectilinear Link

Six-bar linkage with rectilinear moving link

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This is an animation of a Watt I six-bar linkage with a translating…
Mechanical Characters

Mechanical characters

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Disney Research guides two degree-of-freedom open chains using…

Linkage Design Concepts

Jessica Koa designed the flower with petals actuated by six-bar linages.

Link Yun’s flower with six-bar linkages moving the petals.

Benjamin Liu’s Terrarium uses six-bar linkages to open the glass sides.

DJ Fuller’s Jack-o’Lantern uses six-bar linkages to open the segments.

Jessica Kao developed this sofa bed that opens using a six-bar linkage.

Ling Yun used our sofa beg linkage to display a gift.

Design Innovation

Student designs of six-bar linkages

Andrew Brouwer’s six-bar linkage to guide the petals.

Kamil Samaan designed this six-bar linkage.

Bojun Lin’s six-bar linkage guiding the pedals of a flower.

Colin Sledge’s six-bar flower.

Frank Liu’s six-bar flower.

Cameron Turner’s six-bar linkage flower.

Adam Shutt designed this six-bar to guide the opening of the petals of a flower.

Mohamed Ali designed this six-bar to guide the wings of this butterfly.

Tim Rasmussen designed this six-bar linkage to guide the petals of this flower.

Hsuan-chen Wan used MechGen 3 to design a six-bar linkage to guide the petals of the flower.

Student designs of four-bar linkages


Hsuan-chen Wan’s animation of a four-bar linkage that moves the petals of a flower.
[youtube]http://www.youtube.com/watch?v=zvSmz3hYk-o[/youtube]


Cameron Turner’s design of a flower that moves with a four-bar linkage.[youtube]http://www.youtube.com/watch?v=LV0hQQn0OfI[/youtube]


Mohamed Ali’s four-bar linkage for the flower.
[youtube]http://www.youtube.com/watch?v=WoCPh53_f9M[/youtube]


Scott Bougie’s animation of his flower design.
[youtube]http://www.youtube.com/watch?v=R_1v7PjDWjg[/youtube]


Frank Liu’s four-bar linkage design for the petal movement.
[youtube]http://www.youtube.com/watch?v=lsFgoPgpmXA[/youtube]


Yang Liu’s four-bar linkage flower.
[youtube]http://www.youtube.com/watch?v=LWGrp2tvf0Q[/youtube]


Kamal Samaan’s design of the four-bar linkage driven flower.
[youtube]http://www.youtube.com/watch?v=eO6JTY9HpLs[/youtube]


The flower designed by Colin Sledge.
[youtube]http://www.youtube.com/watch?v=VFudL7fBUBU[/youtube]


This is Andrew Brouwer’s design for the flower.
[youtube]http://www.youtube.com/watch?v=s81Lrjsli_Y[/youtube]


Adan Amarillas designed this linkage.
[youtube]http://www.youtube.com/watch?v=f6ZBBVFFivQ[/youtube]


Brandon Creager animated a spiral opening for the flower.
[youtube]http://www.youtube.com/watch?v=Oar2wuqLxyA[/youtube]


Adam Shutts designed this linkage to open the petals.
[youtube]http://www.youtube.com/watch?v=U5phQxLbKrU[/youtube]


Bojun Lin designed this flower linkage.
[youtube]http://www.youtube.com/watch?v=7Bi90cgQaU8[/youtube]


Kelly Lin designed this linkage.
[youtube]http://www.youtube.com/watch?v=cm3P_dn3Zys[/youtube]


Tim Rasmussen designed the linkage to open and close the flower petals.
[youtube]http://www.youtube.com/watch?v=QNMiDrbZGrU[/youtube]


This is the four-bar linkage designed by Ryan Kuehne.
[youtube]http://www.youtube.com/watch?v=6jWBDXI81t4[/youtube]


Siqi Shi designed this four-bar linkage flower.
[youtube]http://www.youtube.com/watch?v=5Qvh9onP7cI[/youtube]


Tianming Cheng designed this four-bar linkage flower.
[youtube]http://www.youtube.com/watch?v=KcnwIhc5-rU[/youtube]


Brendan Smith uses the movement of the petal linkage for a different application.
[youtube]http://www.youtube.com/watch?v=SqAHqWz4cNk[/youtube]