| 摘要 |
A rotary distributor pump has a radial bore mounting a pumping plunger at the outer end of which is a shoe carrying a captive roller engageable with the internal surface of a cam ring. The plungers are coupled to the shoes by a clip and further cam surfaces are provided engageable by the outer ends of the rollers. The plungers can therefore be positively reciprocated within the bore.
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