Patent ID: 7406893

Claim:
A clearance-free supporting structure for a pivotal axle, comprising: a housing; at least one pair of first projections formed on the housing between which the pivotal axle is inserted to enable a pivotal movement of the pivotal axle; a pair of left and right truncated cone shaped portions formed on the pivotal axle; at least one pair of second projections formed on the housing that graspably contacts the pair of left and right truncated cone shaped portions and that enables the pivotal movement of the pivotal axle; at least one recessed portion formed on the housing at a position placed in proximity to a base portion of each of the pair of first projections to enable a slidable contact thereof with the pivotal axle; and a biasing device to bias the pivotal axle to be pressed toward the recessed portion, the pair of first projections, the pair of left and right truncated cone shaped portions, the pair of second projections, the recessed portion, and the biasing device supporting the pivotal axle on the housing while limiting any directional movements of the pivotal axle other than the pivotal movement of the pivotal axle.