+ Altering linear motions

+ Altering rotary oscillations

+ Complicated motions

+ Continuous rotation into interrupted rotation

+ Continuous rotation into linear motion

+ Continuous rotation into rotary oscillation

+ Continuous rotation transmission

+ Jigs and fixtures

+ Mechanisms for drawing lines

+ Mechanisms of specific purposes

+ Reciprocating motion to continuous rotation

+ Rotary oscillation into linear motion

+ Rotation to wobbing motion

+ Simple cam mechanisms (RU)

+ Study of mechanisms

+ Sundries

Four bar linkage 7

Category: BARS



Four bars: blue, yellow, green and pink. Input: the yellow bar rotating continuously. Orange lever with positioning spring pin is for controlling the linkage. When the orange lever enters in the slot of the blue bar, the latter is kept immobile and the green bar oscillates. When the orange lever is not in the slot of the blue bar, the blue bar oscillates and the green bar does not move because of its huge mass. The mechanism used to be applied for fan swinging control. For example it can be used in this case

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