| 摘要 |
<p>An intermittently rotatable water sprinkler comprises a spring- loaded impact arm 58 provided with a pair of diametrically opposed deflector spoon's 60, 62 arranged to be engaged by water from a symmetrically located pair of nozzles 50, 52. A torsion spring 72 urges the arm 58 against the bridge portion 70 of the sprinkler body 48. <IMAGE></p> |
