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1.2 Short description of mechanism’s parts

The illustrated linkage planar mechanism (see fig. 1.2)
consists of the crank 1, connection rods 2 and 4, rocker 3 and
slider 5. The crank 1 rotates about the fixed point O. The
connection rods 2 and 4 have planar motion. The rocker 3 has
oscillation motion about the fixed point O 1. The slider 5 has
sliding motion in vertical direction. This mechanism is used for
transforming crank’s 1 rotational motion into slider’s 5 sliding
motion.

5
D

1 – type group
4

C
2 – type group

3 B
2
O 1

A Initial
1 mechanism
ω 1 O

Fig. 1.2 – Type analysis of the
linkage mechanism

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