Pond pump with reversing means to prevent rotation in the opposite direction

摘要: A pond pump having a housing ( 1 ) enclosing synchronous motor 9 with drive shaft 40 on which an impeller 20 is loosely fitted so that, start up, the can rotate relative to until pair of diametrically opposed keyways 43 engage and entrain 27 it continuously in one direction. If initially rotates opposite direction, pegs 25 rear face detent 60 located behind stop said rotation restarts first One end received bearing 50 mounted ), other being blind bore 28 coaxial axis ). The has spigot 23 extending from front thereof second