Eccentric retainer for automobile grinding machine for polishing or waxing outer surface of automobile, has coupling fixing unit including insertion end selectively inserted in head hole, and pull end lying opposite to insertion end

摘要

The retainer has a bearing (21) mounted in a base intermediate space (12) and adjoining at a base body (11). A grinding head (22) is fastened in the bearing and adjoins at the bearing. A head hole (221) is radially formed in an end of the grinding head, and selectively flushes with a base hole (13). A coupling fixing unit (30) is movably inserted into the base hole along an axial alignment of the base hole, and engages in a base (10). The coupling fixing unit includes an insertion end (311) selectively inserted in the head hole, and a pull end (312) lying opposite to the insertion end.