| 摘要 |
The parallelogram linkage of a top-loading balance which maintains the positions of the weighing pan parallel during pivoting movement of the balance beam includes the beam, a portion of the stationary support structure, and two guide members, which are connected by band hinges. The major dimensions of each band in the two hinges on the ends of the guide member parallel to the balance beam are located in one of two intersecting planes in a certain angular position of the guide member and the connected other linkage member. Only the major dimensions of one band are located in one of the planes, thereby reducing the torsional stiffness of the parallelogram linkage and minimizing the effect of the linkage on the weight response of the balance.
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