Patent ID: 6467669
Filing Date: 2002-10-22
Classification: F16C,G11B,Y10S

Abstract:
A pinch roller apparatus comprising:a pinch roller shaft having one end fixed to an arm; a pinch roller main body provided with a rubber-like elastic body on an outer periphery of a sleeve, said pinch roller main body being mounted to the pinch roller shaft via a plain bearing; and said pinch roller main body being pressed to a capstan by moving said arm, wherein a circular sliding plate brought into contact with an upper end surface and a lower end surface of said plain bearing is mounted to said pinch roller shaft, and when setting a length A of an axial gap between the circular sliding plate brought into contact with the upper end surface of the plain bearing and the plain bearing and a length B of an outer diameter of the circular sliding plate, the structure is made such as a satisfy a relation 0.007&lE;A/B&lE;0.06.