Ball transfer and seal member for ball transfer employing pile seal member

A seal member for a ball transfer comprising:

• a seal member employing a pile fiber that, at a ball transfer having a main body which has a socket, an inner surface of which is a hemispherical concave surface, a plurality of ball bearings arranged at the main body socket, a primary ball, diameter of which is greater than that of said ball bearings and which is rotatably supported by the socket by way of the ball bearings, and a housing-like case which surrounds the main body socket and rotatably supports the ball bearings and the primary ball at a bearing portion thereof and which has a hole from which a portion of the primary ball is made to protrude at an upper surface of the primary ball socket, is arranged such that, at a space formed between the housing-like case and the primary ball and the main body, a fiber tip portion is bent so as to occlude a gap between said primary ball and said housing-like case and cause said fiber tip portion to abut the primary ball;
• and
• an adhesive member for causing adhesion between the seal member and the housing-like case.