Patent ID: 8918008

Claim:
A connector to electrically connect a rotary body having a shaft, the connector comprising: a connecting terminal, electrically connected to either a power supply or ground, to contact the shaft of the rotary body either at least two points or along a line; and a posture adjuster to hold the connecting terminal to adjust the posture of one of the connecting terminal and the rotary body to maintain contact between the connecting terminal and the shaft of the rotary body, wherein the connecting terminal comprises a substantially V-shaped groove in one face thereof and formed along the shaft of the rotary body, and one end face of the shaft of the rotary body contacts two internal sloped faces of the V-shaped groove, a first sloped face and a second sloped face and wherein a deepest point of the V-shaped groove extends in a gravity direction, the gravity direction being different from a shaft direction of the rotary body.