Keeping direction unchanged during rotation 1

Keeping direction unchanged during rotation 2

Keeping direction unchanged during rotation 3

Keeping direction unchanged during rotation 4

Keeping direction unchanged during rotation 5

Keeping direction unchanged during rotation 6

Pin coupling 6

Application of parallelogram mechanism 6

Application of parallelogram mechanism 7

Application of parallelogram mechanism 8

Chain drive 5A

Gear and linkage mechanism 8a

Keeping direction unchanged during rotation 7

Keeping direction unchanged during rotation 8

Keeping direction unchanged during rotation 9a

Keeping direction unchanged during rotation 9b

Keeping direction unchanged during motion 10

Keeping direction unchanged during motion 11

Keeping direction unchanged during motion 12

Keeping direction unchanged during motion 13

Keeping direction unchanged during motion 14

Keeping direction unchanged during motion 15

Keeping direction unchanged during motion 16

Keeping direction unchanged during motion 17

Keeping direction unchanged during motion 18

Keeping direction unchanged during motion 19

Keeping direction unchanged during rotation 20

Keeping direction unchanged during spatial motion 1

Planetary drive 1a

Planetary drive 1b

Wind-mill 1a

Wind-mill 1b

Wind mill 2

Wind vane