DISPOSITIF DE MAINTIEN DE PALETTE POUR POMPES A PALETTES ET PROCEDE DE FABRICATION DE TELS DISPOSITIFS

摘要

A vane air pump has a vane holder which includes a main body. A vane extends outward from one side of the main body and a balance weight extends outward from the other side of the main body in a direction opposite to the vane. The balance weight is cast integrally with the main body. The method discloses integrally forming a balance weight with the main body of the vane holder.