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Mechanism. Mechanism is an assembly of rigid elements (linkages) arranged and connected to form a closed kinematic chain with one link fixed in order to transmit motion in a predetermined fashion. Mechanism consists of linkages and joints.

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mechanism
Mechanism

Mechanism is an assembly of rigid elements (linkages) arranged and connected to form a closed kinematic chain with one link fixed in order to transmit motion in a predetermined fashion.

Mechanism consists of linkages and joints.

Machine is an arrangement of parts for doing work, and applying power .

Structure is an assembly of parts for supporting loads.

Qassim University

example of mechanism

Can crusher

Simple press

Rear-window wiper

Example of Mechanism
example of mechanisms

Moves packages from an assembly bench to a conveyor

Microwave carrier to assist people on wheelchair

Lift platform

Example of Mechanisms
example of mechanisms1

Lift platform

Front loader

Device to close the top flap of boxes

Example of Mechanisms
example of mechanisms2

Rowing type exercise machine

Conceptual design for an exercise machine

Example of Mechanisms
4 bar mechanisms1

S + l > p + q

4-Bar mechanisms

4 double rocker mechanisms

mechanism categories

Function Generation Mechanisms

A function generator is a linkage in which the relative motion between links connected to the ground is of interest.

Mechanism Categories

A four-bar hand actuated wheelchair brake mechanism

mechanism categories1
Mechanism Categories

Function Generation Mechanisms

A four-bar drive linkage for a lawn sprinkler

mechanism categories2
Mechanism Categories

Motion Generation Mechanisms

Four-bar automobile hood linkage design

mechanism categories3
Mechanism Categories

Path Generation Mechanisms

In path generation, we are concerned only with the path of a tracer point and not with the motion (rotation) of the coupler link.

Crane – straight line motion

motion generation mechanisms
Motion Generation Mechanisms

Moving a storage bin from an accessible position to a stored position

Rotating a monitor into a storage position

type of motion and mechanisms
Type of Motion and Mechanisms

Rotation to Translation