| 摘要 |
Apparatus for measuring components of a point force includes a first rigid member having an outer surface to receive the point force to be measured, and three spherical force transmitting elements, each of spherical or partial-spherical configuration, projecting from its inner surface, and a second rigid member having an inner surface facing the inner surface of the first member and formed with three sockets for receiving the three spherical force transmitting elements, each of the sockets includes two planar walls diverging in the direction towards the inner surface of the second member so as to be engaged by the respective spherical force transmitting element of the first member at two contact points, and to space apart the inner surfaces of the first and second members. A force sensor is located at each of the two contact points of each of the spherical force transmitting elements to sense the force applied by the respective spherical force transmitting element to each of the two planar surfaces of the second member.
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