FIELD: lifting of deep-seated liquids. SUBSTANCE: geometric axes of the central bearing assembly of the cross-piece and bearing assemblies of the connecting rods are located in the plane parallel to the cross-piece longitudinal axis, perpendicularly to each other. The cross-piece has journals for the central bearing assembly and journals at its ends for the bearing central bearing assembly is secured to the upper plane of walking beam. EFFECT: improved design. 3 dwg
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Authors
Dates
1995-09-10—Published
1993-06-08—Filed