Patent ID: 9155972
Filing Date: 2015-10-13
Classification: A63G,G09B,Y10T

Abstract:
1. A motion platform system comprising a motion platform which is supported on a base by a displacement mechanism comprising a plurality of displacement units, each displacement unit comprising a drive unit having a rotational output member, a crank arm driveable by the output member, and a connecting arm connected to the crank arm and to the platform by first and second connection means at respective ends of the connecting arm, the first connection means comprising a 3-axis bearing situated at a position away from the axis of the output member, the connecting arm having a configuration such that a portion of the connecting arm is offset laterally from a straight line extending between the first and second connection means in which the 3-axis bearing comprises a spherical bearing element which is pivotable within a complementary spherical surface and in which the spherical bearing element is carried by a lateral extension of the connecting arm and the spherical surface is provided within the crank arm.