| 摘要 |
It comprises a central hollow shaft (1) which has a plurality of bearing points as well as equal arms. At the extremities of the equal arms are situated the journals (2) of the rods (3) of the pistons (4), and in the medial area of the arms are arranged housings which receive fixing bolts (5) to the rod of the crankshaft (7), the center of the bolt of the crankshaft rod being equidistant with respect to the axis of the journal of the rod and to the central point of the beam.
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