| 摘要 |
FIELD: civil engineering; agriculture; individual construction; water supply for production of concrete construction members; delivery of water for watering orchards or gardens and for other purposes. SUBSTANCE: pump has frame 1, two cylinders with pistons and valve systems 2, two pedals 5, rocker 5 suction system 9 and delivery system 10, pump accelerating system 23, 24, post 11 for operator providing stability of operator position at pumping. EFFECT: increased capacity at delivering water from source to consumer without heavy load on muscles of operator. 3 cl, 3 dwg
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