An assembly for converting motion, the assembly comprising: a first arm (10, 104) rotatable at a first position thereon about a first fixed pivot; a second arm (12, 106) rotatable at a first position thereon about a second fixed pivot, the second fixed pivot spaced apart from the first fixed pivot; a third arm (14, 112) pivotably connected at a first position thereon to the second arm (12, 106) at a second position on the second arm (12, 106), the second position spaced apart from the first position on the second arm (12, 106); a fourth arm (18, 116) pivotably connected at a first position thereon to the second arm (12, 106) at a third position on the second arm (12, 106); a first connecting arm (20, 118) extending between the first arm (10, 104) and the third arm (14, 112), the first connecting arm (20, 118) pivotably connected to a second position on the first arm (10, 104) spaced apart from the first position and pivotably connected to the third arm (14, 112) at a second position thereon spaced apart from the first position thereon; a second connecting arm (26, 124) extending between the first arm (10, 104) and the second arm (12, 106), the second connecting arm (26, 124) pivotably connected to a third position on the first arm (10, 104) disposed between the first and second positions thereon and pivotably connected to a fourth position on the second arm (12, 106); and a third connecting arm (30, 128) extending between the first arm (10, 104) and the fourth arm (18, 116), the third connecting arm (30, 128) pivotably connected to a fourth position on the first arm (10, 104) and pivotably connected to a second position on the fourth arm (18, 116). a first arm (10, 104) rotatable at a first position thereon about a first fixed pivot; a second arm (12, 106) rotatable at a first position thereon about a second fixed pivot, the second fixed pivot spaced apart from the first fixed pivot; a third arm (14, 112) pivotably connected at a first position thereon to the second arm (12, 106) at a second position on the second arm (12, 106), the second position spaced apart from the first position on the second arm (12, 106); a fourth arm (18, 116) pivotably connected at a first position thereon to the second arm (12, 106) at a third position on the second arm (12, 106); a first connecting arm (20, 118) extending between the first arm (10, 104) and the third arm (14, 112), the first connecting arm (20, 118) pivotably connected to a second position on the first arm (10, 104) spaced apart from the first position and pivotably connected to the third arm (14, 112) at a second position thereon spaced apart from the first position thereon; a second connecting arm (26, 124) extending between the first arm (10, 104) and the second arm (12, 106), the second connecting arm (26, 124) pivotably connected to a third position on the first arm (10, 104) disposed between the first and second positions thereon and pivotably connected to a fourth position on the second arm (12, 106); and a third connecting arm (30, 128) extending between the first arm (10, 104) and the fourth arm (18, 116), the third connecting arm (30, 128) pivotably connected to a fourth position on the first arm (10, 104) and pivotably connected to a second position on the fourth arm (18, 116).