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Door 4

Turning multiple start thread 1

180-degree rotation and dwell 3

Parking brake for railway cart

Quick clamp for cable 3

Circular ratchet mechanism

Light barrier

Nutation bevel gear drive 2

Seesaw with horizontal seats 1

Two jaw self-centering clamping mechanism 1

Half nuts for lathes

Controlling two linear motions of an object 7

Controlling rotation and translation of an object 3

Taper thread turning 4

Spherical 4-bar linkage mechanism 1

Car differential with locker

Pick and place mechanism 15

Oscillation engine of flat coil spring

Friction torque measuring

Cable telescopic sliders 1a

Helical motion 1

Bar pantograph 2

Push-push button 2

Planetary drive 1a

Screen printing machine 1

Belt drive 4c

Steelyard of two graduated scales

Taper thread turning 3

Turning multiple start thread 2

Three-gear stroke multiplier

Pin spherical joint 1

Hood hinge

Archimedean cam reverser

Part orientation 3

Mini hay baler

Parabola drawing linkage 1

Linear snap motion 2

Schmidt coupling

Worm Drive 5b: Rotating and translating worm

Push to turn 180 deg.

Controlling rotation and translation of an object

Gear rack drive for linear reciprocating motion 1

Mechanism for steering a 4-wheel trailer with small turning radius 4

Slider crank mechanism with eccentric

Archimedean spiral rack drive

Concealed hinges 1

Parabola drawing linkage 2

Slider in angular runway

Study of worm-worm drive 2

Solar panel tilting mechanism 2