摘要 |
An assembly for converting motion comprises a first rotatable arm; a second rotatable arm; a third arm pivotably connected to the second arm; a fourth arm pivotably connected to the second arm; a fifth arm; a first connecting arm extending between the first arm and the third arm, pivotably connected to first arm and the third arm; a second connecting arm extending between the first and second arms, pivotably connected to the first arm and to the second arm; a third connecting arm extending between the first and fourth arms and the fourth and fifth arms, pivotably connected to the first arm, pivotably connected to the fourth arm, and pivotably connected to the fifth arm; and a fourth connecting arm pivotably connected to each of the fourth and fifth arms; the fifth arm pivotably connected to the third connecting arm and mounted to an object to be moved. |