| 摘要 |
A sprinkler head having a reversing mechanism cooperable with spaced cam assemblies for effecting part circle mode operation in which the cam element of one of the cam assemblies is selectively movable by a spring pressed over center toggle linkage between two positions, one of which causes the sprinkler head to operate in a part circle mode and other of which causes the sprinkler head to operate in a full circle mode. |
