| 主权项 |
1. A drive shaft assembly comprising:
a drive shaft comprising a first cylindrical end having a first diameter, a cylindrical portion having a second diameter, and a second cylindrical end having the first diameter, wherein a first distal end of the drive shaft includes a first distal spherical indentation and wherein a second distal end of the drive shaft includes a second distal spherical indentation; a first adapter cap comprising a first tapered inner aperture and a first seal disposed within a first groove formed in a circumference of the first tapered inner aperture, wherein the first tapered inner aperture is configured to receive the first cylindrical end of the drive shaft and the first seal forms a seal with the cylindrical portion of the drive shaft having the second diameter; a first adapter comprising a first distal spherical indentation; a first distal spherical ball removably attached to the first distal spherical indentation of the first adapter; a second adapter cap comprising a second tapered inner aperture and a second seal disposed within a second groove formed in a circumference of the second tapered inner aperture, wherein the second tapered inner aperture is configured to receive the second cylindrical end of the drive shaft and the second seal forms a seal with the cylindrical portion of the drive shaft having the second diameter; a second adapter comprising a second distal spherical indentation; and a second distal spherical ball removably attached to the second distal spherical indentation of the second adapter. |
