Patent ID: 6962497

Claim:
A rotary connector comprising a first part cormprsing a stationary case; a second part coupled to a first part and comprising a rotary case configured to rotate relative to said first part; an electrical cable housed within the rotary connector; and a viewing window configured to reveal a U-shaped bend of said electrical cable when the rotary connector is in a neutral position wherein said viewing window comprises: a first through hole positioned at a predetermined position on said rotating case; and a second through hole positioned at a predetermined position in said stationary case such that the first and second through holes overlap to reveal an interior annular space of the connector that said electrical cable is housed within when the rotating case is rotated with respect to the stationary case, wherein said feature of the electrical cable comprises a u-shaped bend that occupies the overlapping area of the first and second through holes when said rotary connector is in said neutral position.